KR20110040236A - Near field communication module flatform - Google Patents

Near field communication module flatform Download PDF

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Publication number
KR20110040236A
KR20110040236A KR1020090097422A KR20090097422A KR20110040236A KR 20110040236 A KR20110040236 A KR 20110040236A KR 1020090097422 A KR1020090097422 A KR 1020090097422A KR 20090097422 A KR20090097422 A KR 20090097422A KR 20110040236 A KR20110040236 A KR 20110040236A
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KR
South Korea
Prior art keywords
module
board
core
power
zigbee
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KR1020090097422A
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Korean (ko)
Inventor
장기섭
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(주) 지비테크
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Priority to KR1020090097422A priority Critical patent/KR20110040236A/en
Publication of KR20110040236A publication Critical patent/KR20110040236A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
    • G06F1/188—Mounting of power supply units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Power Sources (AREA)

Abstract

PURPOSE: An NFC(Near Field Communication) module platform is provided to supply various devices and applications to a mobile terminal by standardizing and modularizing the hardware and software of a mobile terminal. CONSTITUTION: A board includes connectors, and is connected to a memory, a keypad and an LCD(Liquid Crystal Display). A core(126) is connected to the board, provides an interface, and controls the operation of each module connected to the board. A Bluetooth module(115), a Zigbee module(116), a GPS(Global Positioning System) module(117), a WLAN(Wireless Local Area Network) module(122), an Ethernet module(120) and a UART(Universal Asynchronous Receiver Transmitter)_SD(Secure Disk) module(121) are controlled by the control signal of the core.

Description

Near field communication module platform

The present invention relates to a short-range communication module platform, and more particularly, a short-range communication module platform that supports wired and wireless networks (WLAN, Bluetooth, Zibee, etc.) used for short-range communication and can easily attach and detach a wired and wireless network according to a purpose. It is about.

Recently, as convergence between business areas is advanced due to high speed / capacity of mobile communication technology, pursuit of convenience for subscribers, and increasing demand for data communication, portable internet is emerging as a new market opportunity.

In addition, various technologies such as LAN, Ethernet, Bluetooth, and Zigbee have been developed as a local area network for connecting terminals in a short distance.

In addition, access networks based on IP technology, including existing wireless LANs, are gradually becoming mainstream.

In this next-generation local area network, development of mobile terminal platform technology supporting heterogeneous network convergence network for local area communication based on Media Independent Handover (MIH) technology considering handover between heterogeneous networks is essential.

In addition, it is expected that additional modules with various functions will be added to the next generation mobile terminal. Accordingly, it is necessary to develop a next generation mobile terminal platform technology that enables a mobile company to easily develop a mobile terminal that accommodates various additional functions and effectively use it.

An object of the present invention is to increase the convenience of both developers and users, and to allow the early settlement of new services by developing an open platform supporting a new heterogeneous inter-network convergence service for local area communication.

A feature of the present invention for achieving the above object is a board having a plurality of connectors, a memory, a keypad is connected and the TV is connected through the LCD or D-SUB, composite (COMPOSITE) terminal; It is connected to the above board and provides the interface including SD CARD, KEYPAD INPUT / OUTPUT, UART, LCD CONTROLER, USB CLIENT, POWER MANAGEMENT. It controls the operation of various modules connected to the board and operates the Windows system or Linux system. A core using the system; A power module connected to the board and outputting power required for operation of a plurality of modules including the core according to a power management control signal of the core; Bluetooth module, Zigbee module, WLAN module, Ethernet module, UART_SD is provided with other connectors corresponding to the connector of the board is connected to the board, the operation is controlled by the drive power of the power module is controlled by the control signal of the core A short range communication module platform comprising a module.

The open mobile terminal platform according to the present invention can have a technological advantage over the standardized countries in the standardization technology of the mobile terminal industry by standardizing and modularizing the hardware and software of the mobile terminal, and various forms of the mobile terminal as a base platform of the ubiquitous environment. It can play an important role in providing devices and applications of the system and can be used as the core technology of the ubiquitous environment.

In addition, by completing the standard platform of hardware and software, it is possible to develop and produce with less technical effort and R & D fund to develop various mobile devices in the small and medium-sized enterprises and early companies with low technical skills.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1A to 1C are diagrams illustrating an embodiment of a short-range communication module platform according to an embodiment of the present invention. FIG. 1A is a diagram showing a configuration of a board, and FIG. 1B is a front view of a board in a state in which a module is connected. 1C is a view showing the back of the board in the state that the module is connected.

2-7 is a block diagram which shows the structure of this invention.

The short-range communication module platform 10 according to an embodiment of the present invention includes a board B having a plurality of connectors, a memory, a keypad connected thereto, and a television connected through an LCD or D-SUB, a composite terminal. ; It is connected to the above board and provides the interface including SD CARD, KEYPAD INPUT / OUTPUT, UART, LCD CONTROLER, USB CLIENT, POWER MANAGEMENT. It controls the operation of various modules connected to the board and operates the Windows system or Linux system. A core 126 using the scheme; A power module 124 connected to the board and outputting power required for the operation of a plurality of modules including the core according to a power management control signal of the core; The other module corresponding to the connector of the board is provided is connected to the board, the Bluetooth module 115, Zigbee which is operated by the driving power of the power module 124, the operation is controlled by the control signal of the core 126 It comprises a module 116, GPS module 117, WLAN module 122, Ethernet module 120, UART_SD module 121, it will be described below that the LCD is connected as an example.

The PXA320 board, which is the core 126, is configured with various functions by providing various interfaces such as SD CARD, KEYPAD INPUT / OUTPUT, UART, LCD CONTROLER, USB CLIENT, and POWER MANAGEMENT.

The MAX8660 (37), the main power supply of the power module 124, outputs 3.3V to V8 (36) when 5V MAIN (21) voltage is input to PV1 ~ PV5 port of the MAX8660 (37), and RESET (26) and PXA320 ( 126), when 3.3V voltage is output from EN1, EN2, EN5, EN34, V1 (29) STEP-DOWN PWM Regulator outputs 3.3V, maximum 1500mA and is used as MAIN power of PXA320 (126). , V2 (30) is a STEP-DOWN PWM Regulator and outputs 1.8V, maximum 900mA, and is used as the power of DDR SDRAM MEMORY, V3 is STEP-DOWN PWM Regulator and outputs 1.4V, 1600mA and is used as CORE POWER. V4 is a STEP-DOWN PWM Regulator and outputs 1.4V and 400mA and is used as the power of SRAM of PXA320 (126) .V5 is a STEP-DOWN PWM Regulator and outputs 1.8V and 200mA. V6 is a STEP-DOWN PWM Regulator and outputs 1.4V, 500mA and is used as a DETECT VOLTAGE of SD_CARD of PXA320 (126), and V8 is a STEP-DOWN PWM Regulator. Standing 3.3V, 30mA, and an output to supply full power to output the 3.3V to the boot when EN1, EN2, EN3, EN34 the PXA320 (126).

The BLUETOOTH 115 module consists of a brutus core, regulator, crystal, flash memory and antenna. The brutus core complies with the BC04-EXT standard, supports UART as an external communication interface and supports audio input and output. The regulator converts 3.3V to 1.5V suitable for the Brutus core. The crystal provides synchronization of the Brutus core and the flash memory is written to the program memory as external memory. UART is used as an external communication interface to communicate with the PXA320 (126) board. The antenna is configured to maximize the board's space utilization by using the CHIP antenna.

The BLUETOOTH (115) module external connector has a pair of 80-pin connectors for each module.The signals connected to the PXA320 (126) external connector (80-pin connector) and the BLUETOOTH (115) module are for power (5V), audio-related signals, and external. There is a communication signal (UART). The operation of the BLUETOOTH 115 module is as follows. Connect the PXA320 (126) external connector (80-pin connector) and the BLUETOOTH 115 module external connector (M506). When power is applied from the POWER 124 board, 5V is input to the external connector M500, and the voltage is reduced to 5V from the regulator M501 to 3.3V to power the Bluetooth core M502. At the same time, the crystal M503 operates the Bluetooth core M502 by providing a synchronization signal to the Bluetooth core M502. The Bluetooth core M502 processes a command by loading a program in the flash memory M504 and appropriately processes the signal from the antenna M505 according to the program. Data processed by the Bluetooth core (M502) is UART communication with the PXA320 (126) to the BLUETOOTH 115 module external connector (M506).

ZIGBEE (116) module consists of ZIGBEE core, regulator, external crystal, antenna, external communication interface, ISP connector, ZIGBEE core includes ZIGBEE stack, regulator is 5V for ZIGBEE core, I / I of 1.5V ZIGBEE core The external crystal provides ZIGBEE synchronization, and the antenna is configured to maximize the board's space utilization by using CHIP antenna. You can download ZIGBEE program through ISP connector. The external connector of ZIGBEE (116) module has one pair of 80 pin connector for each module.The signal connected to PXA320 (126) external connector (80 pin connector) and ZIGBEE (116) module is power (5V) external communication signal (UART The operation of the ZIGBEE 116 module is as follows. PXA320 126 external connector (80 pin connector) and ZIGBEE 116 module's external connector (M506) is combined. When power is applied from POWER (124) board, 5V is supplied to external connector (M600), and 5V is converted into 3.3V and 1.8 voltage from each regulator (M601, M602), and power is supplied to ZIGBEE core (M603). . At the same time, the crystal M504 provides a synchronization signal to the ZIGBEE core M603 so that the ZIGBEE core M603 operates. The ZIGBEE core M603 processes a command by loading a program and properly processes the signal according to the signal from the antenna M605 according to the program. Data processed by the ZIGBEE core (M603) is UART communication with the PXA320 (126) to the ZIGBEE (116) module external connector (M606).

GPS (117) module continuously transmits longitude and latitude values through UART of PXA320, and uses dipole antenna to form stable communication unit, and 500mA LDO Regulator is configured to stably supply 3.3V voltage to module. It became.

WLAN 122 module is composed of WLAN core (M803), regulators (M801, M802), oscillator (M804), antenna (M805), external connectors (M800, M806), WLAN core (M803) is IEEE802.11b / g The regulator (M801, M802) converts 5V into 3.3V (for RF and IO) and 1.8V (for CORE and IO) for the ZIGBEE WLAN core (M803), and the oscillator (M804). Provides synchronization to the WLAN core (M803) and the antenna is configured to maximize the board's space utilization by using the CHIP antenna.

The external connectors (M800, M806) of the WLAN 122 module have a pair of 80-pin connectors for each module, and the signals connected to the PXA320 (126) external connector (80-pin connector) and the WLAN 122 module are powered (5V). There is an external communication signal (USB).

The operation of the WLAN 122 module is as follows.

PXA320 126 external connector (80 pin connector) and the external connectors (M800, M806) of the WLAN module 122 is coupled. When power is applied from POWER (124) board, 5V is supplied to external connectors (M800, M806), and power is supplied to WLAN core (M803) by dividing 5V to 3.3V, 1.8 at each regulator (M801, M802). Will enter. At the same time, the oscillator M804 provides a synchronization signal to the WLAN core M803 so that the WLAN core M803 operates. The WLAN core M803 processes a command by loading a program and processes the command appropriately according to the signal from the antenna M805 according to the program. Data processed by the WLAN core (M803) is UART communication with the PXA320 (126) through the WLAN connector 122 external module (M806).

The USB available for the PXA320 is limited to one, but the USB HUB is configured to use multiple devices, and MIC2027 (Quad usb Power) is provided for more stable power supply.

DMB 118 module is composed of GPIO INTERFACE, and it is configured to open audio codec from PXA320 to output audio signal to speaker and to output image on TFT-LCD screen.

The CAMERA (119) module consists of an external connector and a camera sensor.The external connector of the CAMERA (119) module has a pair of 80-pin connectors on both sides, and an external connector (80-pin connector) and CAMERA (119) of the PXA320 (126). Signals connected to the module include power supply (3.3V, 2.8V, 1.8V), data communication line and I2C communication line. The operation of the CAMERA 119 module is as follows.

PXA320 (126) external connector (80 pin connector) is combined with external connector of CAMERA (119) module. When power is applied from POWER (124) board, 3.3V, 2.8V, 1.8V comes into external connector and camera sensor operates. In PXA320 (126) external connector (80-pin connector), if command is given to camera sensor through I2C communication, the data processed through the external connector of CAMERA (119) module is sent to PXA320 (126). Will be sent to.

ETHERNET (120), UART_SD (121) is configured to debug KERNEL, FILESYSTEM, etc. by accessing NAND FLASH MEMORY connected to the outside of PXA320 through GPIO INTERFACE.

Meanwhile, the core may boot by selecting a NOR flash and a NAND flash, has a hibernation and wake-up function, and the board further includes a jog dial and a touch screen.

The wired / wireless integrated open mobile terminal platform configured as described above can supply various power stably, and is composed of hardware devices that can be implemented in various interfaces such as USB, UART, and GPIO interfaces through a module form.

1A is a diagram showing the configuration of a board

Figure 1b is a view showing the front of the board with the module connected

Figure 1c is a view showing the back of the board with the module connected

Figure 2 is a block diagram showing the configuration of a wired / wireless integrated open mobile terminal platform according to an embodiment of the present invention.

3 is a block diagram showing a power module

4 is a block diagram showing a Bluetooth module

5 is a block diagram showing a Zigbee module

6 is a block diagram showing a GPS module

7 is a block diagram showing a WLAN module

* Description of the symbols for the main parts of the drawings *

115: BLUETOOTH

116: ZIGBEE 117: GPS

118: DMB 119: CAMERA

120: ETHERNET 121: UART_SD

122: WLAN

124: POWER 125: 7INCH_TFT-LCD

126: PXA320

Claims (1)

A board having a plurality of connectors, connected to a memory, a keypad, and an LCD; Core that is connected to the above board and provides interface including SD CARD, KEYPAD INPUT / OUTPUT, UART, LCD CONTROLER, USB CLIENT, POWER MANAGEMENT, and controls the operation of various modules connected to the board and uses Linux as an operating system. 126); A power module 124 connected to the board and outputting power required for the operation of a plurality of modules including the core according to a power management control signal of the core; The other module corresponding to the connector of the board is provided is connected to the board, the Bluetooth module 115, Zigbee which is operated by the driving power of the power module 124, the operation is controlled by the control signal of the core 126 Short-range communication module platform comprising a module (116), GPS module (117), WLAN module (122), Ethernet module (120), UART_SD module (121).
KR1020090097422A 2009-10-13 2009-10-13 Near field communication module flatform KR20110040236A (en)

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KR1020090097422A KR20110040236A (en) 2009-10-13 2009-10-13 Near field communication module flatform

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013189250A1 (en) * 2012-06-20 2013-12-27 惠州Tcl移动通信有限公司 Augmented reality method and system for mobile communication terminal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013189250A1 (en) * 2012-06-20 2013-12-27 惠州Tcl移动通信有限公司 Augmented reality method and system for mobile communication terminal

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