WO2007126275A1 - Memory device having data processing fuction and data processing method thereof - Google Patents

Memory device having data processing fuction and data processing method thereof Download PDF

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Publication number
WO2007126275A1
WO2007126275A1 PCT/KR2007/002102 KR2007002102W WO2007126275A1 WO 2007126275 A1 WO2007126275 A1 WO 2007126275A1 KR 2007002102 W KR2007002102 W KR 2007002102W WO 2007126275 A1 WO2007126275 A1 WO 2007126275A1
Authority
WO
WIPO (PCT)
Prior art keywords
written
command
data
processor
area
Prior art date
Application number
PCT/KR2007/002102
Other languages
French (fr)
Inventor
Se-Jin Kang
Original Assignee
Mtekvision Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mtekvision Co., Ltd. filed Critical Mtekvision Co., Ltd.
Publication of WO2007126275A1 publication Critical patent/WO2007126275A1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
    • G11C7/1006—Data managing, e.g. manipulating data before writing or reading out, data bus switches or control circuits therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/76—Architectures of general purpose stored program computers
    • G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
    • G06F15/7807—System on chip, i.e. computer system on a single chip; System in package, i.e. computer system on one or more chips in a single package
    • G06F15/7821—Tightly coupled to memory, e.g. computational memory, smart memory, processor in memory
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C2207/00—Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store
    • G11C2207/10—Aspects relating to interfaces of memory device to external buses
    • G11C2207/104—Embedded memory devices, e.g. memories with a processing device on the same die or ASIC memory designs

Definitions

  • the present invention relates to a memory device, more specifically to a
  • a memory device is coupled to a processor (e.g. central processing unit
  • the memory (CPU)) performing predetermined processing in a portable apparatus.
  • the memory (CPU)
  • a device can store a boot code, for booting a processor, code information for operation,
  • a processor sends a
  • command (e.g. a command for transmitting data to a receiver) to an input/output
  • an interrupt signal (e.g. a processing completion signal) is
  • the processor can perform another operation.
  • the processor can perform another operation.
  • the processor must be directly involved in the communication between a memory
  • the processor equipped in the portable apparatus displays some of the instructions
  • the processor can display not only
  • the processor In order to display some information through the display unit, the processor
  • memory device reads the processed data and transmits the read data to the display
  • the display unit displays the received data
  • the display unit can include a memory
  • the memory can be a frame memory.
  • the frame memory for which a data gradation signal correction unit of the memory
  • the frame memory can be realized as an outside-mounted memory.
  • the conventional display unit must be equipped with a memory for
  • a display window e.g. LCD
  • the present invention provides a memory device having a data processing
  • the present invention provides a memory device having a data processing
  • the present invention provides a memory device having a data processing
  • an external output device e.g. video outputting unit and/or audio outputting
  • the present invention provides a memory device having a data processing
  • An aspect of the present invention features a memory device having a data
  • a memory device can
  • the memory device can further include a storing area written with at least one
  • the displaying data can be data, selected by the processor, of the data
  • the processing unit can transmit the displaying data to the external output
  • the auto-refresh is performed by an
  • the memory device can be provided between the processor and the external output device.
  • a memory device According to another embodiment of the present invention, a memory device
  • processing unit transmitting the displaying data to a coupled external output device if it
  • the memory device can further include a process area written with an output
  • the processing unit can transmit the displaying data to the external output
  • the auto-refresh is performed by an
  • the memory device can be provided between the processor and the external
  • a memory device According to another embodiment of the present invention, a memory device
  • processor a storing area, written with at least one datum; an output area, written with
  • processing unit performing a process corresponding to the process command.
  • process can be any one of data copying, data operating, and displaying data transmitting to an external output device.
  • the process command information can include command start information,
  • the command processing information can include type information, selecting
  • process is the data copying.
  • the process area can include a mail box controlling register, written with the
  • the memory device can further include a mail out-box, written with command
  • the processing unit can include a command signal generating unit, outputting a
  • command start signal if command start information is written by the processor
  • command processing unit reading the command processing information and performing
  • the processing unit can output an interrupt signal to the processor if the
  • an aspect of the present invention features a
  • data written in a memory device can include determining whether an output command is
  • the displaying data is data, read and written in the output
  • the processing unit can transmit the displaying data to the external output
  • the auto-refresh is performed by an
  • the memory device can be provided between the processor and the external
  • processing data written in a memory device can include determining whether displaying
  • the processing unit can transmit the displaying data to the external output
  • the auto-refresh is performed by an
  • the memory device can be provided between the processor and the external
  • processing data written in a memory device can include (a) determining whether
  • process command information is written in a process area by a coupled processor
  • the process can be any one of data copying, data operating, and displaying data
  • step (b) the displaying data, selected and written in the output area by the processor, of
  • the display data can be transmitted to the external output device at a section
  • the process command information can include command start information,
  • the command processing information can include type information, selecting a type and content of the process.
  • the command processing information can include type information, selecting a type and content of the process.
  • process is the data copying.
  • the method can further include being written with command completion
  • an aspect of the present invention features a
  • a recorded medium According to an embodiment of the present invention, a recorded medium
  • the command being executable by a memory device
  • recorded medium being readable by the memory device, including determining whether
  • a recorded medium According to another embodiment of the present invention, a recorded medium
  • the command being executable by a memory device
  • recorded medium being readable by the memory device, including determining whether displaying data, selected by a processor, of data written in a storing area is written in an
  • the displaying area is written in the output area.
  • the display data can be transmitted to the
  • FIG. 1 is a block diagram illustrating the structure of a memory device and a
  • peripheral device in accordance with an embodiment of the present invention
  • FIG. 2 is a flow chart illustrating a command processing operation of a
  • FIG. 3 is a flow chart illustrating a command processing operation of a
  • FIG. 4 illustrates the structure of a copy command which is one of command
  • FIG. 5 illustrates a dual port memory device indicating command processing
  • the first element can be any element used only to distinguish one element from the other.
  • the first element can be any element used only to distinguish one element from the other.
  • the first element can be any element used only to distinguish one element from the other.
  • the first element can be any element used only to distinguish one element from the other.
  • the first element can be any element used only to distinguish one element from the other.
  • the first element can be any element used only to distinguish one element from the other.
  • the first element can be any element used only to distinguish one element from the other.
  • the first element can be any element used only to distinguish one element from the other.
  • the first element can be any element used only to distinguish one element from the other.
  • FIG. 1 is a block diagram illustrating the structure of a memory device and a
  • peripheral device in accordance with an embodiment of the present invention.
  • a memory device 100 includes a memory unit 110 and a processing unit 120.
  • the memory unit 110 can include a process area, an output area 118 and a
  • the process area can be partitioned into a mail box controlling register
  • the memory unit 110 can be any one
  • memory area of memory devices such as DRAM and SDRAM, requested for refreshing
  • the mail box controlling register 112 is the area capable of being written with
  • the command start information refers to the command start information
  • the processor 130 can access the mail box controlling register 112 and write
  • the command start information (e.g. can be ' 1 ' or '0' in the case of being indicated as a
  • the processor 130 can read a value written in a pertinent area or write a value in the area.
  • command processing information is written in the mail box 114, it can be possible that
  • the processing unit 120 performs no processing operation. Then, if the mail box
  • controlling register 112 is written with ' 1 ', the processing unit 120 can perform a
  • processing operation e.g. an operation for transmitting data written in the output area
  • command start information can be written as an n-bit value, n being a natural
  • the mail box 114 is the area written with the command processing information
  • processing unit 120 by the processor 130.
  • the type of the command processing information can be predetermined such as
  • processing unit 120 can recognize the command processing information. For an
  • the command processing information can be an output command for
  • the command processing information can be an operational command for mutually operating each value written in an address of the storing area 118 and
  • the mail out-box 116 is the area written with the command completion
  • the command processing unit it can be determined whether the processing unit 120
  • command processing information is the output command, since it is sufficient to
  • processor 130 can receive the processed result value.
  • the output area 118 is the area to be written with the data, transmitted to the external output
  • the processor 130 reads data (e.g. basic information, including at least one of
  • the processor 130 can perform an operation (e.g. calculation
  • processing e.g. decoding
  • the processing unit 120 transmits data written in the
  • the processing unit 120 senses whether any data
  • processing unit 120 can be set to output the data, written at the pertinent point of time, to the external output device 140.
  • the processor 130 can write any data in the output
  • the processor 130 can write the command start information and the
  • the processor 130 can write any
  • the processing unit 120 can sustainedly transmit data, written in
  • processing unit 120 is transmitted to the external output device 140, must be different
  • the point of time when the auto-refresh is performed can be recognized by an
  • the storing area 119 is written with any data.
  • the processor 130 processes raw
  • command processing information written by the processor 130 can be written in the
  • mail out-box 116 and output area 118 can be the area allotted for predetermined usages
  • the processing unit 120 can include a command signal generating unit 122 and
  • command processing unit 124 For the convenience of description and understanding,
  • FIG. 1 illustrates the command signal generating unit 122 and the command processing
  • processing unit 120 can be realized as a software program (or the
  • command processing unit 124 such that the command processing unit 124 can perform a processing operation
  • command signal generating unit 122 will able to sense whether the command start
  • command start information for example, ' 1 '
  • the command signal generating unit 122 can generate a
  • command start signal in a predetermined form by using a toggle signal and a delay
  • the command processing unit 124 reads the command processing information
  • the command processing unit 124 can write the command
  • command processing unit 124 outputs the data written in the output area 118 to the
  • processor 130 can be a command (e.g. the output command) converting the data written
  • command e.g. the copy command
  • reading the data written in an address of the storing area 119 and writing the read data in another address and another command e.g. the
  • the processor 130 can control the external output device 140
  • the processor 130 can also control the
  • the memory device 100 and the external output device 140 can be variously configured
  • interrupt signal is the signal that the processing unit
  • the interrupt signal can be
  • FIG. 2 is a flow chart illustrating a command processing operation of a
  • FIG. 2 is a flow chart illustrating a command processing
  • the pertinent command processing information can be an output command
  • command processing information is the output command.
  • command processing information i.e. the output command
  • the processing unit 120 can determine whether any data is written in the output area 118
  • the processor 130 writes any data in the
  • predetermined output area 118 in order to allow the processing unit 120 to output data
  • the data written in the output area 118 can include not only icon information
  • data e.g. moving picture data
  • the processor 130 transmits n ⁇ data, written by the processing unit 120,
  • the processing unit 120 transmits the data, written in the output area 118, to the external
  • 130 can write the command start information and the command processing information.
  • the processor 130 can write any data in the output area 118. In the case of
  • processing unit 120 can sustainedly transmit data, written in the
  • command start information and the command processing information are written.
  • a step of continuously or sustainedly writing data, to be outputted to the external output device 140, in the output area 118 can be repeated. Also, a step represented by
  • the processor 130 writes the command
  • processing information to be processed by the processing unit 120, and the command
  • start information for directing the start of the command processing, in a predetermined
  • processing information and the command start information, respectively, can be
  • the processor 130 can write the command
  • command signal generating unit 122 As described above, the command signal generating unit 122 or the
  • command processing unit 124 can sense whether the command start information is
  • the processing unit 120 reads the command processing information (e.g. the
  • the step represented by 250 is advanced to perform a corresponding processing
  • processing unit 120 through the command processing information can be predetermined.
  • processing unit 120 is realized in order to make it possible to
  • processing result of the processing unit 120 can be varied depending on the read
  • command processing information For example, if the command processing information
  • the processing unit 120 transmits the data written in the output
  • the processing unit 120 reads the data written in the first address and
  • the processing unit 120 can output an interrupt signal, informing that the
  • the interrupt signal is additionally not outputted.
  • FIG. 3 is a flow chart illustrating a command processing operation of a
  • FIG. 3 is a flow chart illustrating a command processing
  • command processing information is an output command
  • the processing unit 120 processes a command
  • the processing unit 120 writes
  • command completion information which is the result value of the command processing
  • the command completion information can be a pre-allotted area or the area designated by the processor 130.
  • the command completion information can be a pre-allotted area or the area designated by the processor 130.
  • the processing unit 120 outputs an interrupt signal
  • the processor 130 does not read the command completion information. For example, in
  • FIG. 4 illustrates the structure of a copy command which is one of command
  • copy command can include a first row, designating the type of the pertinent command, a
  • command processing information of FIG. 4 shows that 'Oxffff ⁇ O'
  • FIG. 4 illustrates that the pertinent address
  • the only command code (430-1) can be
  • the operated result value can be included.
  • FIG. 5 illustrates a dual port memory device indicating command processing
  • a memory 500 is a
  • one memory device 500 is shared by a plurality of processors 540
  • the memory device 500 can be independently equipped with memory units 512 and 514 and processing units 520 and 530, corresponding to each processor.
  • a first processor 540 writes command processing information
  • a first processing unit 520 performs corresponding processing by using the
  • second processing unit 530 performs corresponding processing by using the command
  • the output of the interrupt signal can be omitted or applied
  • the first and second remember units 512 and 514 can have the identical or
  • the first and second remember units 512 and 514 can have the same
  • each processing unit 520 and 530 can be allowed
  • the memory device 500 can include the output areas 118 corresponding
  • output device 140 is coupled, one output area 118 is sufficient.
  • the output area 118 can be controlled by the processor, having a function controlling
  • processors 540 and 550 the authority, among a plurality of processors 540 and 550. If one is a main processor
  • program performing an additional function (e.g. a camera) and being controlled by the
  • the authority can be controlled by the main processor.
  • the plurality of processors 540 can be also a possibility that the plurality of processors 540
  • the main processor can write data
  • the application processor can write the real-time
  • output area by the plurality of processors can be pre-designated or can be changeably
  • the present invention can independently perform a command received from a processor.
  • the present invention can increase the processing efficiency of a
  • the present invention can improve the system processing efficiency and
  • output device e.g. video outputting unit and/or audio outputting unit.
  • the present invention can decrease its selling price and maximize

Abstract

A memory device having a data processing function and a data processing method thereof are disclosed. The memory device can include a process area, written with an output command by a processor; an output area, written with displaying data by the processor; and a processing unit, transmitting the displaying data, written in the output area, to an external according to the output command. With present invention, a selling price can be decreased and the size of a display window can be maximized, because it is unnecessary to be equipped with a memory for temporarily storing data to be displayed.

Description

[DESCRIPTION]
[Invention Title]
MEMORY DEVICE HAVING DATA PROCESSING FUCTION AND
DATA PROCESSING METHOD THEREOF
[Technical Field]
The present invention relates to a memory device, more specifically to a
memory device having a data processing function and a data processing method thereof.
[Background Art]
A memory device is coupled to a processor (e.g. central processing unit
(CPU)) performing predetermined processing in a portable apparatus. The memory
device can store a boot code, for booting a processor, code information for operation,
data to be processed and processed data, for example.
Conventionally, there was provided a typical method for controlling a memory
by using interrupt. In according to this conventional method, a processor sends a
command (e.g. a command for transmitting data to a receiver) to an input/output
controller, and the input/output controller performs processing corresponding to the
received command. Then, an interrupt signal (e.g. a processing completion signal) is
transmitted to the processor. These steps cause to complete a series of operations. In the method for controlling the memory by using the interrupt, if the
input/output controller is independently equipped, even while the input/output controller
performs a received command, the processor can perform another operation. However,
the processor must be directly involved in the communication between a memory
device and an input/output device.
Also, the processor equipped in the portable apparatus displays some
information through a display unit. For example, the processor can display not only
current time, date, remaining capacity battery information and received signal
magnitude but also multimedia information (e.g. video data and audio data) processed
by the processor.
In order to display some information through the display unit, the processor
reads data corresponding to information, to be displayed, from data stored in the
memory device or reads the processed data and transmits the read data to the display
unit, by performing a necessary operation (e.g. calculation of remaining battery
capacity) or necessary processing (e.g. decoding). The display unit displays the received
data in a form of visual information. At this time, the display unit can include a memory
storing the received data for being displayed. Here, the memory can be a frame memory.
The frame memory, for which a data gradation signal correction unit of the memory
device stores and outputs a gradation signal, can be inside-mounted in the data
graduation signal correction unit. Alternatively, the frame memory can be realized as an outside-mounted memory.
As such, the conventional display unit must be equipped with a memory for
temporarily storing data to be displayed, which causes to increase its selling price and
make it impossible to maximize the size of a display window (e.g. LCD).
[Disclosure]
[Technical Problem]
The present invention provides a memory device having a data processing
function and a data processing method thereof that can independently perform a
command received from a processor.
The present invention provides a memory device having a data processing
function and a data processing method thereof that can increase the processing
efficiency of a processor performing data written in the memory device.
The present invention provides a memory device having a data processing
function and a data processing method thereof that can improve the system processing
efficiency and speed in the case of outputting data written in the memory device
through an external output device (e.g. video outputting unit and/or audio outputting
unit).
The present invention provides a memory device having a data processing
function and a data processing method thereof that can decrease its selling price and maximize the size of a display window, because it is unnecessary to be equipped with a
memory for temporarily storing data to be displayed.
Other problems that the present invention solves will become more apparent
through the following description.
[Technical Solution]
An aspect of the present invention features a memory device having a data
processing function.
According to an embodiment of the present invention, a memory device can
include a process area, written with an output command by a processor; an output area,
written with displaying data by the processor; and a processing unit, transmitting the
displaying data, written in the output area, to an external output device according to the
output command.
The memory device can further include a storing area written with at least one
datum. Here, the displaying data can be data, selected by the processor, of the data
written in the storing area.
The processing unit can transmit the displaying data to the external output
device at a section where auto-refresh is performed. The auto-refresh is performed by an
auto-fresh command inputted from the processor.
The memory device can be provided between the processor and the external output device.
According to another embodiment of the present invention, a memory device
can include a storing device, written with at least one datum; an output area, written
with displaying data, selected by a processor, of data written in the storing device; and a
processing unit, transmitting the displaying data to a coupled external output device if it
is recognized that the output area is written with the displaying data.
The memory device can further include a process area written with an output
command by the processor, to allow the displaying data to be transferred to the external
output device.
The processing unit can transmit the displaying data to the external output
device at a section where auto-refresh is performed. The auto-refresh is performed by an
auto-fresh command inputted from the processor.
The memory device can be provided between the processor and the external
output device.
According to another embodiment of the present invention, a memory device
can include a processing area, written with process command information by a
processor; a storing area, written with at least one datum; an output area, written with
displaying data, selected by the processor, of data written in the storing area; and a
processing unit, performing a process corresponding to the process command. Here, the
process can be any one of data copying, data operating, and displaying data transmitting to an external output device.
The process command information can include command start information,
directing to start the performance of a corresponding process, and command processing
information, selecting a type and content of the process.
The command processing information can include type information, selecting
the type of the process, address information in the storing area written with source data
and address information to be written with data copied with the source data if the
process is the data copying.
The process area can include a mail box controlling register, written with the
command start information, and a mail box, written with the command processing
information.
The memory device can further include a mail out-box, written with command
completion information corresponding to a result performed with the process by the
processing unit.
The processing unit can include a command signal generating unit, outputting a
command start signal if command start information is written by the processor; and a
command processing unit, reading the command processing information and performing
a corresponding process if the command start signal is inputted.
The processing unit can output an interrupt signal to the processor if the
performance of the process corresponding to the process command information is completed.
To solve the above problems, an aspect of the present invention features a
method for processing data written in a memory device.
According to an embodiment of the present invention, a method for processing
data written in a memory device can include determining whether an output command is
written in a process area by a coupled processor; and transmitting displaying data,
written in an output area by the processor, to an external output device if the output
command is written. Here, the displaying data is data, read and written in the output
area by the processor, of data written in a storing area of the memory device.
The processing unit can transmit the displaying data to the external output
device at a section where auto-refresh is performed. The auto-refresh is performed by an
auto-fresh command inputted from the processor.
The memory device can be provided between the processor and the external
output device.
According to another embodiment of the present invention, a method for
processing data written in a memory device can include determining whether displaying
data, selected by a processor, of data written in a storing area is written in an output
area; and transmitting the displaying data to a coupled external output device if the
displaying area is written in the output area. The processing unit can transmit the displaying data to the external output
device at a section where auto-refresh is performed. The auto-refresh is performed by an
auto-fresh command inputted from the processor.
The memory device can be provided between the processor and the external
output device.
According to another embodiment of the present invention, a method for
processing data written in a memory device can include (a) determining whether
process command information is written in a process area by a coupled processor; and
(b) performing a corresponding process if the process command information is written.
Here, the process can be any one of data copying, data operating, and displaying data
transmitting to an external output device.
If the process command information is the displaying data transmitting, in the
step (b), the displaying data, selected and written in the output area by the processor, of
data written in a storing area is transmitted to the external output device.
The display data can be transmitted to the external output device at a section
where auto-refresh is performed.
The process command information can include command start information,
directing to start the performance of the corresponding process, and command
processing information, selecting a type and content of the process. The command processing information can include type information, selecting
the type of the process, address information in the storing area written with source data
and address information to be written with data copied with the source data if the
process is the data copying.
The method can further include being written with command completion
information corresponding to a result performed with the process.
To solve the above problems, an aspect of the present invention features a
recorded medium having recorded a data processing method of a memory device.
According to an embodiment of the present invention, a recorded medium
having recorded a program including a typicalized command for performing a data
processing method, the command being executable by a memory device, and the
recorded medium being readable by the memory device, including determining whether
an output command is written in a process area by a coupled processor; and transmitting
displaying data, written in an output area by the processor, to an external output device
if the output command is written.
According to another embodiment of the present invention, a recorded medium
having recorded a program including a typicalized command for performing a data
processing method, the command being executable by a memory device, and the
recorded medium being readable by the memory device, including determining whether displaying data, selected by a processor, of data written in a storing area is written in an
output area; and transmitting the displaying data to a coupled external output device if
the displaying area is written in the output area.
In each aforementioned embodiment, the display data can be transmitted to the
external output device at a section where auto-refresh is performed.
[Description of Drawings]
FIG. 1 is a block diagram illustrating the structure of a memory device and a
peripheral device in accordance with an embodiment of the present invention;
FIG. 2 is a flow chart illustrating a command processing operation of a
processing unit in accordance with an embodiment of the present invention;
FIG. 3 is a flow chart illustrating a command processing operation of a
processing unit in accordance with another embodiment of the present invention;
FIG. 4 illustrates the structure of a copy command which is one of command
processing information in accordance with an embodiment of the present invention; and
FIG. 5 illustrates a dual port memory device indicating command processing
relations from a plurality of processors in accordance with another embodiment of the
present invention.
[Mode for Invention] The above objects, features and advantages will become more apparent through
the below description with reference to the accompanying drawings.
Since there can be a variety of permutations and embodiments of the present
invention, certain embodiments will be illustrated and described with reference to the
accompanying drawings. This, however, is by no means to restrict the present invention
to certain embodiments, and shall be construed as including all permutations,
equivalents and substitutes covered by the spirit and scope of the present invention.
Throughout the drawings, similar elements are given similar reference numerals.
Throughout the description of the present invention, when describing a certain
technology is determined to evade the point of the present invention, the pertinent
detailed description will be omitted.
Terms such as "first" and "second" can be used in describing various elements,
but the above elements shall not be restricted to the above terms. The above terms are
used only to distinguish one element from the other. For instance, the first element can
be named the second element, and vice versa, without departing the scope of claims of
the present invention. The term "and/or" shall include the combination of a plurality of
listed items or any of the plurality of listed items.
When one element is described as being "connected" or "accessed" to another
element, it shall be construed as being connected or accessed to the other element
directly but also as possibly having another element in between. On the other hand, if one element is described as being "directly connected" or "directly accessed" to another
element, it shall be construed that there is no other element in between.
The terms used in the description are intended to describe certain embodiments
only, and shall by no means restrict the present invention. Unless clearly used otherwise,
expressions in the singular number include a plural meaning. In the present description,
an expression such as "comprising" or "consisting of is intended to designate a
characteristic, a number, a step, an operation, an element, a part or combinations thereof,
and shall not be construed to preclude any presence or possibility of one or more other
characteristics, numbers, steps, operations, elements, parts or combinations thereof.
Unless otherwise defined, all terms, including technical terms and scientific
terms, used herein have the same meaning as how they are generally understood by
those of ordinary skill in the art to which the invention pertains. Any term that is
defined in a general dictionary shall be construed to have the same meaning in the
context of the relevant art, and, unless otherwise defined explicitly, shall not be
interpreted to have an idealistic or excessively formalistic meaning.
Hereinafter, preferred embodiments will be described in detail with reference
to the accompanying drawings. Identical or corresponding elements will be given the
same reference numerals, regardless of the figure number, and any redundant
description of the identical or corresponding elements will not be repeated. FIG. 1 is a block diagram illustrating the structure of a memory device and a
peripheral device in accordance with an embodiment of the present invention.
Referring to FIG. 1, in accordance with an embodiment of the present
invention, a memory device 100 includes a memory unit 110 and a processing unit 120.
The memory unit 110 can include a process area, an output area 118 and a
storing area 119. The process area can be partitioned into a mail box controlling register
112, a mail box 114 and a mail out-box 116. The memory unit 110 can be any one
memory area of memory devices, such as DRAM and SDRAM, requested for refreshing
in order to maintain data. An area, to function as the mail box controlling register 112,
the mail box 114, the mail out-box 116, the output area 118 and the storing area 119,
among memory areas can be predetermined or be determined by a processor 130 in a
booting operation of the processor 130 and be allotted.
The mail box controlling register 112 is the area capable of being written with
command start information by the processor 130. The command start information refers
to the information for displaying the start of command processing information written in
the mail box 114 by the processor 130.
The processor 130 can access the mail box controlling register 112 and write
the command start information (e.g. can be ' 1 ' or '0' in the case of being indicated as a
1-bit value, and hereinafter, it is assumed to be ' 1 '). The mail box controlling register
112 can be a storing area designated to have the size of dozens of bits, for example. The processor 130 can read a value written in a pertinent area or write a value in the area.
In detail, if '0' is written in the mail box controlling register 112, although any
command processing information is written in the mail box 114, it can be possible that
the processing unit 120 performs no processing operation. Then, if the mail box
controlling register 112 is written with ' 1 ', the processing unit 120 can perform a
processing operation (e.g. an operation for transmitting data written in the output area
118 to an external output device 140, for copying data, and for processing graphic data)
corresponding to the command processing information written in the mail box 114. Of
course, the command start information can be written as an n-bit value, n being a natural
number. It shall be obvious that it can be determined by various methods whether to
recognize any value as the command start information in the case of being written with
the value.
The mail box 114 is the area written with the command processing information
(i.e. the information indicating the content of a command that must be processed by the
processing unit 120) by the processor 130.
The type of the command processing information can be predetermined such
that the processing unit 120 can recognize the command processing information. For an
example, the command processing information can be an output command for
transmitting data, written in the output area 118, to the external output device 140. For
another example, the command processing information can be an operational command for mutually operating each value written in an address of the storing area 118 and
writing its result in a new address. In addition, there can be provided various types of
the command processing information. This can be easily understood through the below
description.
The mail out-box 116 is the area written with the command completion
information, which is the result value processed corresponding to the command
processing information by the processing unit 120. In this case, according to the type of
the command processing unit, it can be determined whether the processing unit 120
writes the command completion information in the mail out-box 116. Below is
described each case in detail with reference to FIG. 2 and FIG. 3. For example, in case
that the command processing information is the output command, since it is sufficient to
output it in real-time, it can be omitted to write the command completion information.
In case that the command processing information is the copy command, since an
address to be written with the processed result value is designated by the pertinent
professor 130, it can be also omitted to write the command completion information. As
such, if it is unnecessary to write the command completion information, it can be
unnecessary to designate and/or allot the mail out-box 116. However, the description
assumes the case of additionally allotting the mail out-box 116 in order that the
processor 130 can receive the processed result value.
In case that the command processing information is the output command, the output area 118 is the area to be written with the data, transmitted to the external output
device 140 by the processing unit 120. In other words, since it is possible for the output
area 118 to be used identically or similarly to the memory equipped in order to
temporally store data to be displayed on the display unit according to the conventional
art, it is unnecessary for the external output device 140 in accordance with the present
invention to be equipped with a memory for that.
The processor 130 reads data (e.g. basic information, including at least one of
current time, date, remaining battery capacity information and received signal
magnitude information, and processed multimedia information, to be displayed through
the external output device 140) from the storing area 119 and writes the read data in the
output area 118. For this, the processor 130 can perform an operation (e.g. calculation
of remaining battery capacity), necessary for reading and writing the basic information,
or processing (e.g. decoding).
In case that the command start information is written and the command start
information is the output command, the processing unit 120 transmits data written in the
output area 118 to the external output device 140 through a serial interface or a parallel
interface. Here, although the command start information and/or the command
processing information are not written, the processing unit 120 senses whether any data
is written in the output area 118. Accordingly, if the data is written, it shall be obvious
that the processing unit 120 can be set to output the data, written at the pertinent point of time, to the external output device 140.
It is possible to make the unit of data amount transmitted by the processing unit
120 identical to that of data amount used in order to display data written in a memory of
a conventional display unit. Here, the processor 130 can write any data in the output
area 118. Then, the processor 130 can write the command start information and the
command processing information. Conversely, after writing the command start
information and the command processing information, the processor 130 can write any
data in the output area 118. Alternatively, until the command start information is deleted
(or renewed as O') after writing the command start information and the command
processing information, the processing unit 120 can sustainedly transmit data, written in
the output area, or data, renewed by the processor 130 and written, to the external
output device 140.
However, the time cycle, which data written in the output area 118 by the
processing unit 120 is transmitted to the external output device 140, must be different
from a point of time when the processor 130 writes data in the output area 118. This is
because it is difficult for the data consistency to be maintained in case that a plurality of
elements performing data-processing (e.g. reading and/or writing) simultaneously
attempts to access one storing area.
Accordingly, the time, when the processing unit 120 transmits the data, written
in the output area 118, to the external output device 140, can be designated as a point of time when the auto-refresh for the storing area 119 is performed. This is because an
auto-refresh command will be inputted into the memory device 100 by the processor
130, the point of time when the auto-refresh is performed can be recognized by an
element inside of the memory device 100, and the processor 130 will not access the
output area 118 during the pertinent time.
The storing area 119 is written with any data. The processor 130 processes raw
data written in the storing area 119. Then, the processor 130 writes the processed data in
the storing area 119, or reads data to be outputted through the external output device
140 from the data written in the storing area and writes the read data in the output area
118. Of course, data processed by the processing unit 120, corresponding to the
command processing information written by the processor 130, can be written in the
storing area 119. The aforementioned mail box controlling register 112, mail box 114,
mail out-box 116 and output area 118 can be the area allotted for predetermined usages,
respectively.
The processing unit 120 can include a command signal generating unit 122 and
a command processing unit 124. For the convenience of description and understanding,
FIG. 1 illustrates the command signal generating unit 122 and the command processing
unit 124, respectively, as an independent element. However, it shall be obvious that
both of them can be unificably realized in case that the command processing unit 124
additionally performs the function of the command signal generating unit 122. It is also obvious that the processing unit 120 can be realized as a software program (or the
combination of program codes).
If the command signal generating unit 122 recognizes that the command start
information (e.g. ' 1 ') is written in the mail box controlling register 112, the command
signal generating unit 122 provides a command start signal to the command processing
unit 124 such that the command processing unit 124 can perform a processing operation
corresponding to the command processing information written in the mail box 114. The
command signal generating unit 122 will able to sense whether the command start
information is written by sustainedly or periodically monitoring the mail box controlling
register 112.
Below is briefly described the processing operation of the command signal
generating unit 122.
If the command start information, for example, ' 1 ', is written in the mail box
controlling register 112, the command signal generating unit 122 can generate a
command start signal in a predetermined form by using a toggle signal and a delay
signal for periodically outputting each toggle signal (i.e. successively outputting each
toggle signal at predetermined intervals) and output the command start signal.
If the command start signal is inputted from the command signal generating
unit 122, the command processing unit 124 reads the command processing information
written in the mail box 1 14 and performs a predetermined processing operation (i.e. processes a pertinent command) corresponding to the pertinent command processing
information. In this case, the command processing unit 124 can write the command
completion information as the result value according to the type of pertinent command
processing information in the mail out-box 116 or transfer the data, to be outputted to
the external output device 140.
Also, in case that the processing operation, corresponding to the command
processing information written by the processor 130, is completed, the processing unit
120 outputs an interrupt signal, indicating that the performance of the command
processing information is completed, to the corresponding processor 130. Of course, in
case that the pertinent processing information is the output command, since the
command processing unit 124 outputs the data written in the output area 118 to the
external output device 140 every predetermined period (e.g. the period performed with
the auto-fresh) at each point of time, it can be unnecessary to output the interrupt signal,
for indicating that the performance of the command processing information is
completed, to the corresponding processor 130.
As described above, the command processing information, written by the
processor 130, can be a command (e.g. the output command) converting the data written
in the output area 118 into data in a form capable of being outputted through the
external output device 140 and transferred to the external output device 140, another
command (e.g. the copy command) reading the data written in an address of the storing area 119 and writing the read data in another address and another command (e.g. the
operation command) calculating (e.g. one of 4 fundamental rules of arithmetic) the read
value and writes the result value in another address.
Of course, in case that the processor 130 is directly coupled to the external
output device 140 and performs an additional operation (e.g. the processor 130
processes graphic data, and then, directly outputs the processed graphic data through the
external output device), the processor 130 can control the external output device 140
independently of the memory device 100. The processor 130 can also control the
start/end of the operation of the external output device 140. In addition, it shall be
obvious that data-processing and data input/output relationship between the processor
130, the memory device 100 and the external output device 140 can be variously
determined.
Also, the aforementioned interrupt signal is the signal that the processing unit
120 transmits to the processor 130 in order to inform that the processing corresponding
to directed command processing information is completed. The interrupt signal can be
designated in a form of signal transition (e.g. low to high and high to low) or an edge
signal (e.g. rising edge and falling edge), for example.
FIG. 2 is a flow chart illustrating a command processing operation of a
processing unit in accordance with an embodiment of the present invention. More particularly, FIG. 2 is a flow chart illustrating a command processing
operation in case that it is not necessary to re-transfer command completion information,
which is the result value of processed command processing information, to the
processor 130. In case that it is unnecessary to provide the command completion
information corresponding to the command processing information to the processor 130,
for example, the pertinent command processing information can be an output command
or a copy command. The below description assumes the case that the pertinent
command processing information is the output command.
Also, as described above, although the command start information and/or the
command processing information (i.e. the output command) are not additionally written,
the processing unit 120 can determine whether any data is written in the output area 118
at a point of time when auto-fresh is performed and if the data is written in the output
area 118, can transmit the written data to the external output device 140. However, the
below description assumes that the processing unit 120 transmits data, written in the
output area 118, to the external output device 140.
In a step represented by 200, the processor 130 writes any data in the
predetermined output area 118 in order to allow the processing unit 120 to output data
to the external output device 140.
The data written in the output area 118 can include not only icon information
corresponding to remaining battery capacity, calculated by the operation processing, and receiving signal attitude information with a base station but also multimedia
information processed by the processor 130. In case that data (e.g. moving picture data),
to be outputted through the external output device 140, is larger than the capacity of the
output area 118, the processor 130 transmits nώ data, written by the processing unit 120,
to the external output device 140. Then, it can be followed that (n+l)th data is written. If
the processing unit 120 transmits the data, written in the output area 118, to the external
output device 140 while the auto-fresh is performed, the processor 130 will write
following data in the output area 118 to be outputted through the external output device
140 every point of time when the auto-fresh is completed.
As described above, after writing any data in the output area 118, the processor
130 can write the command start information and the command processing information.
Alternatively, after writing the command start information and the command processing
information, the processor 130 can write any data in the output area 118. In the case of
the latter, the performing order of the steps represented by 200 and 210 is reversely
performed.
Also, the processing unit 120 can sustainedly transmit data, written in the
output area 118 or renewed by the processor 130 and written, to the external output
device 140 until the command start formation is deleted (or renewed as O') after the
command start information and the command processing information are written. For
this, a step of continuously or sustainedly writing data, to be outputted to the external output device 140, in the output area 118 can be repeated. Also, a step represented by
250 for transmitting the data written in the output area 118 can be repeated.
In the step represented by 210, the processor 130 writes the command
processing information, to be processed by the processing unit 120, and the command
start information, for directing the start of the command processing, in a predetermined
area of the remember unit 110. As described above, the areas written with the command
processing information and the command start information, respectively, can be
different from each other. In this case, the processor 130 can write the command
processing information after completing the writing of the command start information
or can write the command start information after writing the command processing
information.
If the processing unit 120 senses that the command start information is written
in the memory unit 110 in a step represented by 220, the command signal generating
unit 122 of the processing unit 120 generates a command start signal for directing to
start the processing corresponding to the command processing information and outputs
the generated the command start signal to the command processing unit 124 in a step
represented by 230. As described above, the command signal generating unit 122 or the
command processing unit 124 can sense whether the command start information is
written. In case that the command signal generating unit 122 and the command
processing unit 124 are unificably realized, the step represented by 220 will be omitted. The processing unit 120 reads the command processing information (e.g. the
output command) written in the memory unit 110 in a step represented by 240. Then,
the step represented by 250 is advanced to perform a corresponding processing
operation (i.e. to transmit the data written in the output area 118 to the external output
device 140 while the auto-refresh is performed).
The type and the processing method of a command to be processed by the
processing unit 120 through the command processing information can be predetermined.
It shall be obvious that the processing unit 120 is realized in order to make it possible to
perform a corresponding operation. Accordingly, the performing operation and the
processing result of the processing unit 120 can be varied depending on the read
command processing information. For example, if the command processing information
is the output command, the processing unit 120 transmits the data written in the output
area 118 to the external output device 140. Also, in the case of the copy command
copying data written in a first address of the storing area 119 in a second address of the
storing area 119, the processing unit 120 reads the data written in the first address and
copies the read data in the second address.
The processing unit 120 can output an interrupt signal, informing that the
processing of the command processing information is completed, to the processor 130
having written the command processing information, which is not illustrated in FIG. 2.
As described above, in the case of transmitting the data written in the output area 118 to the external output device 140, since the processing unit 120 can be determined such
that proper processing can be completed every point of time when the auto-fresh is
performed, it can be also possible that the interrupt signal is additionally not outputted.
FIG. 3 is a flow chart illustrating a command processing operation of a
processing unit in accordance with another embodiment of the present invention.
In more detail, FIG. 3 is a flow chart illustrating a command processing
operation in case that it is necessary to re-transfer command completion information,
which is the result value of processed command completion information, to the
processor 130. However, the description related to the same part as that of FIG. 2 will
be omitted. Also, in case that command processing information is an output command,
since the performing order of the step represented by 200 of FIG. 2 can be changed
/repeated or varied, it will be omitted. Beside that, steps represented by 300 through 340,
which are the same as the command processing method described in FIG. 2, will be
omitted.
In a step represented by 350, the processing unit 120 processes a command
according to command processing information. Then, the processing unit 120 writes
command completion information, which is the result value of the command processing
corresponding to the command processing information, in a particular area of memory
unit 110. The command completion information can be a pre-allotted area or the area designated by the processor 130. For example, the command completion information
can be the mail out-box 116. hi this case, it is necessary to re-transfer the command
completion information to the processor 130. As an example of the command
processing information, there can be provided an operational command, which
operational-processes (e.g. generates a new result value by using 4 fundamental rules of
arithmetic) information, written in a particular portion C of the storing area 119, and
information, written in another portion D of the storing area 119, and writes the
information in another particular portion E (e.g. an address in the mail out-box 116 or
the storing area 119).
In a step represented by 360, the processing unit 120 outputs an interrupt signal,
informing that the processing of the command processing information is completed, to
the processor 130 having written the command processing information.
In a step represented by 370, the processor 130, which has received the
interrupt signal, reads the command completion information from the particular portion
E written with the command completion information. Of course, it can be possible that
the processor 130 does not read the command completion information. For example, in
case that the processor 130 performs a process corresponding to an improper
operational command, it can be possible that the processor 130 does not read the
command completion information and delete the read command completion
information. FIG. 4 illustrates the structure of a copy command which is one of command
processing information in accordance with an embodiment of the present invention.
Referring to FIG. 4, the command processing information corresponding to the
copy command can include a first row, designating the type of the pertinent command, a
second row, indicating a writing address of source data, a third row, indicating a
destination address, which is the address to be written with copied data, and a fourth
row indicating the size of data to be written. However, it shall be obvious that the
structure type of the command processing information of the present invention is not
limited to the example of FIG. 4.
In detail, the command processing information of FIG. 4 shows that 'OxffffδO'
(410-1) of the address of the mail box 114 is written with 'OxOOOl' (430-1, i.e. the copy
command) indicating the type of the pertinent command, and '0xffff84' (410-2) of the
address of the mail box 114 is written with the address (430-2) in the storing area 119
written with the source data. Although FIG. 4 illustrates that the pertinent address
(430-2) is marked as 'not fixed', it shall be obvious that the pertinent field can be
substantially written with a related address.
Similarly, 'Oxffff88' (410-3) of the address of the mail box 114 is written with
an address (430-3) to be written with the copied data, and 'OxffffSc' (410-4) of the
address of the mail box 1 14 is written with the size (430-4) of data to be copied. Of course, the exampled structure of the command processing information can
be varied depending on the type of the pertinent command.
For example, in the case of the output command, since the processing unit 120
outputs date written in the output area 118, the only command code (430-1) can be
included. In the case of a plurality of external output devices 140, information
determining through which one of the plurality of external output devices the data is
outputted.
In the case of the operational command, a plurality of source data addresses,
which is the object of the operation, can be included, and an address to be written with
the operated result value can be included.
FIG. 5 illustrates a dual port memory device indicating command processing
relations from a plurality of processors in accordance with another embodiment of the
present invention.
It is obvious that the technical spirit of the present invention can be applied to a
multi-port memory device without any restriction. However, for the convenience of the
description and understanding, the below description assumes that a memory 500 is a
dual port memory device shared by 2 processors.
In case that one memory device 500 is shared by a plurality of processors 540
and 550, the memory device 500 can be independently equipped with memory units 512 and 514 and processing units 520 and 530, corresponding to each processor.
In other words, a first processor 540 writes command processing information
and command start information in predetermined areas, respectively, of a first memory
unit 512, and a second processor 550 writes command processing information and
command start information in predetermined areas, respectively, of a second memory
unit 514.
A first processing unit 520 performs corresponding processing by using the
command processing information and the command start information, written in the
first memory unit 512, and then, output an interrupt signal to the first processor 540. A
second processing unit 530 performs corresponding processing by using the command
processing information and the command start information, written in the second
memory unit 514, and then, output an interrupt signal to the second processor 550. Of
course, as described above, the output of the interrupt signal can be omitted or applied
differently depending on the type of the command processing information.
The first and second remember units 512 and 514 can have the identical or
similar structure to the memory unit 110, described with reference to FIG. 1. In other
words, in case that the storing area accessible for each processor is logically divided and
determined, the first and second remember units 512 and 514 can have the same
structure as the memory unit 110 of FIG. 1. However, in case that the storing area is set
to be commonly accessible but each element, such as the mail box 114, is independently allotted, the first and second remember units 512 and 514 will have the little different
structure from the memory unit 110 of FIG. 1.
However, in the case of the latter, if addresses to be written with the result
values by the processing directed by each processor are identical to each other, it can be
impossible to complete the proper processing. To prevent this problem, the address for
being written with the processed result values can be differently set per each processor.
Alternatively, the step of mutually checking the command processing information
between each processing unit 520 and 530 (or between the processors) can be allowed
to be performed before the writing of the processed value.
Also, the memory device 500 can include the output areas 118 corresponding
to the number of the coupled external output device 140. Accordingly, if one external
output device 140 is coupled, one output area 118 is sufficient.
However, since there is a possibility that the plurality of processors 540 and
550 simultaneously attempts to output any data through the external output device 140,
the authority, of determining which one of the processors 540 and 550 writes the data in
the output area 118, can be controlled by the processor, having a function controlling
the authority, among a plurality of processors 540 and 550. If one is a main processor
controlling the whole functions of a portable terminal, and the other is an application
program performing an additional function (e.g. a camera) and being controlled by the
main processor, the authority can be controlled by the main processor. Of course, there can be also a possibility that the plurality of processors 540
and 550 simultaneously write data in one output area 118. For example, while a preview
mode (i.e. a state mode displaying a real-time video corresponding to a photographic
subject before performing a capture mode generating an encoded image in a portable
terminal having a camera function) is performed, the main processor can write data,
corresponding to basic information for displaying, for example, remaining battery
capacity in the output area 118, and the application processor can write the real-time
video in the output area 1 18. In this case, the area for being written with each data in the
output area by the plurality of processors can be pre-designated or can be changeably
allotted.
The drawings and detailed description are only examples of the present
invention, serve only for describing the present invention and by no means limit or
restrict the spirit and scope of the present invention. Thus, any person of ordinary skill
in the art shall understand that a large number of permutations and other equivalent
embodiments are possible. The true scope of the present invention must be defined only
by the spirit of the appended claims.
[Industrial Applicability]
As described above, the present invention can independently perform a command received from a processor.
Also, the present invention can increase the processing efficiency of a
processor performing data written in a memory device.
Also, the present invention can improve the system processing efficiency and
speed in the case of outputting data written in the memory device through an external
output device (e.g. video outputting unit and/or audio outputting unit).
In addition, the present invention can decrease its selling price and maximize
the size of a display window, because it is unnecessary to be equipped with a memory
for temporarily storing data to be displayed.

Claims

[CLAIMS]
[Claim 1]
A memory device, comprising:
a process area, written with an output command by a processor;
an output area, written with displaying data by the processor; and
a processing unit, transmitting the displaying data, written in the output area, to
an external output device according to the output command.
[Claim 2]
The device of Claim 1, further comprising a storing area written with at least
one datum,
whereas the displaying data is data, selected by the processor, of the data
written in the storing area.
[Claim 3]
The device of Claim 1, wherein the processing unit transmits the displaying
data to the external output device at a section where auto-refresh is performed.
[Claim 4]
The device of Claim 3, wherein the auto-refresh is performed by an auto-fresh command inputted from Ihe processor.
[Claim 5]
The device of any one of Claim 1 through Claim 4, wherein the memory device
is provided between the processor and the external output device.
[Claim 6]
A memory device, comprising:
a storing device, written with at least one datum;
an output area, written with displaying data, selected by a processor, of data
written in the storing device; and
a processing unit, transmitting the displaying data to a coupled external output
device if it is recognized that the output area is written with the displaying data.
[Claim 7]
The device of Claim 6, further comprising a process area written with an output
command by the processor, to allow the displaying data to be transferred to the external
output device.
[Claim 8] The device of Claim 6, wherein the processing unit transmits the displaying
data to the external output device at a section where auto-refresh is performed.
[Claim 9]
The device of Claim 8, wherein the auto-refresh is performed by an auto-fresh
command inputted from the processor.
[Claim 10]
The device of any one of Claim 6 through Claim 9, wherein the memory device
is provided between the processor and the external output device.
[Claim 11 ]
A memory device, comprising:
a processing area, written with process command information by a processor;
a storing area, written with at least one datum;
an output area, written with displaying data, selected by the processor, of data
written in the storing area; and
a processing unit, performing a process corresponding to the process command,
whereas the process is any one of data copying, data operating, and displaying
data transmitting to an external output device.
[Claim 12]
The device of Claim 11, wherein the process command information comprises
command start information, directing to start the performance of a corresponding
process, and command processing information, selecting a type and content of the
process.
[Claim 13]
The device of Claim 12, wherein the command processing information
comprises type information, selecting the type of the process, address information in the
storing area written with source data and address information to be written with data
copied with the source data if the process is the data copying.
[Claim 14]
The device of Claim 12, wherein the process area comprises a mail box
controlling register, written with the command start information, and a mail box, written
with the command processing information.
[Claim 15]
The device of Claim 14, further comprising a mail out-box, written with command completion information corresponding to a result performed with the process
by the processing unit.
[Claim 16]
The device of Claim 12, wherein the processing unit comprises
a command signal generating unit, outputting a command start signal if
command start information is written by the processor; and
a command processing unit, reading the command processing information and
performing a corresponding process if the command start signal is inputted.
[Claim 17]
The device of Claim 11, wherein the processing unit outputs an interrupt signal
to the processor if the performance of the process corresponding to the process
command information is completed.
[Claim 18]
A method for processing data written in a memory device, the method
comprising:
determining whether an output command is written in a process area by a
coupled processor; and transmitting displaying data, written in an output area by the processor, to an
external output device if the output command is written.
[Claim 19]
The method of Claim 18, wherein the displaying data is data, read and written
in the output area by the processor, of data written in a storing area of the memory
device.
[Claim 20]
The method of Claim 18, wherein the displaying data is transmitted to the
external output device at a section where auto-refresh is performed.
[Claim 21 ]
The method of Claim 20, wherein the auto-refresh is performed by an
auto-fresh command inputted from the processor.
[Claim 22]
The method of any one of Claim 18 through Claim 21, wherein the memory
device is provided between the processor and the external output device.
[Claim 23]
A method for processing data written in a memory device, the method
comprising:
determining whether displaying data, selected by a processor, of data written in
a storing area is written in an output area; and
transmitting the displaying data to a coupled external output device if the
displaying area is written in the output area.
[Claim 24]
The method of Claim 23, wherein the displaying data is transmitted to the
external output device at a section where auto-refresh is performed.
[Claim 25]
The method of Claim 24, wherein the auto-refresh is performed by an
auto-fresh command inputted from the processor.
[Claim 26]
The method of any one of Claim 23 through 25, wherein the memory device is
provided between the processor and the external output device.
[Claim 27]
A method for processing data written in a memory device, the method
comprising:
(a) determining whether process command information is written in a process
area by a coupled processor; and
(b) performing a corresponding process if the process command information is
written,
whereas the process is any one of data copying, data operating, and displaying
data transmitting to an external output device.
[Claim 28]
The method of Claim 27, wherein if the process command information is the
displaying data transmitting, in the step (b), the displaying data, selected and written in
the output area by the processor, of data written in a storing area is transmitted to the
external output device.
[Claim 29]
The method of Claim 28, wherein the displaying data is transmitted to the
external output device at a section where auto-refresh is performed.
[Claim 30]
The method of Claim 27, wherein the process command information comprises
command start information, directing to start the performance of the corresponding
process, and command processing information, selecting a type and content of the
process.
[Claim 31 ]
The method of Claim 30, wherein the command processing information
comprises type information, selecting the type of the process, address information in the
storing area written with source data and address information to be written with data
copied with the source data if the process is the data copying.
[Claim 32]
The method of Claim 27, further comprising being written with command
completion information corresponding to a result performed with the process.
[Claim 33]
A recorded medium having recorded a program including a typicalized command for performing a data processing method, the command being executable by a
memory device, and the recorded medium being readable by the memory device, the
method comprising:
determining whether an output command is written in a process area by a
coupled processor; and
transmitting displaying data, written in an output area by the processor, to an
external output device if the output command is written.
[Claim 34]
A recorded medium having recorded a program including a typicalized
command for performing a data processing method, the command being executable by a
memory device, and the recorded medium being readable by the memory device, the
method comprising
determining whether displaying data, selected by a processor, of data written in
a storing area is written in an output area; and
transmitting the displaying data to a coupled external output device if the
displaying area is written in the output area.
[Claim 35]
The recorded medium of Claim 33 or 34, wherein the displaying data is
transmitted to the external output device at a section where auto-refresh is performed.
PCT/KR2007/002102 2006-04-27 2007-04-27 Memory device having data processing fuction and data processing method thereof WO2007126275A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020060038324A KR20070105761A (en) 2006-04-27 2006-04-27 Memory device having data processing fuction and data processing method thereof
KR10-2006-0038324 2006-04-27

Publications (1)

Publication Number Publication Date
WO2007126275A1 true WO2007126275A1 (en) 2007-11-08

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Country Link
KR (1) KR20070105761A (en)
WO (1) WO2007126275A1 (en)

Citations (5)

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US5859649A (en) * 1995-05-15 1999-01-12 Motorola, Inc. Data processing system having display controller with bursting direct memory access
US6108746A (en) * 1996-04-26 2000-08-22 Hitachi, Ltd. Semiconductor memory having an arithmetic function and a terminal arrangement for coordinating operation with a higher processor
US6295588B1 (en) * 1998-01-22 2001-09-25 Matsushita Electric Industrial Co., Ltd. Memory access controller that converts memory access requests into memory access commands
US6584588B1 (en) * 1997-04-11 2003-06-24 Texas Instruments Incorporated System signalling schemes for processor & memory module
US20060179256A1 (en) * 2005-02-10 2006-08-10 Sony Corporation Shared memory device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859649A (en) * 1995-05-15 1999-01-12 Motorola, Inc. Data processing system having display controller with bursting direct memory access
US6108746A (en) * 1996-04-26 2000-08-22 Hitachi, Ltd. Semiconductor memory having an arithmetic function and a terminal arrangement for coordinating operation with a higher processor
US6584588B1 (en) * 1997-04-11 2003-06-24 Texas Instruments Incorporated System signalling schemes for processor & memory module
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US20060179256A1 (en) * 2005-02-10 2006-08-10 Sony Corporation Shared memory device

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