CN1525339A - Mobile storage unit having radio function - Google Patents
Mobile storage unit having radio function Download PDFInfo
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- CN1525339A CN1525339A CNA031479553A CN03147955A CN1525339A CN 1525339 A CN1525339 A CN 1525339A CN A031479553 A CNA031479553 A CN A031479553A CN 03147955 A CN03147955 A CN 03147955A CN 1525339 A CN1525339 A CN 1525339A
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Abstract
The invention discloses a movable storage device with radio function. It adds in radio circuit module in original movable storage device, not only able to perform all the functions of the original movable storage device but also able to make the user listen to station broadcast. It includes: an interface unit, a storage module to store data from the communication interface, a master control module to control and cooperate all the parts to normally work, and also a radio circuit module connected with the master control module, where, the master control module receives external control commands through the interface unit and analyzes these commands and then sends out concrete control commands to the radio circuit module, and the radio circuit module receives and executes the control commands and receives external station signals.
Description
Technical field
The invention belongs to the mobile storage field, particularly relate to a kind of flash memory device with radio function.
Background technology
Along with the continuous development of mobile storage technology, various mobile storage products have begun to enter in a large number people's life.Mobile storage product based semiconductor storage medium, such as flash memory (FlashMemory), the mobile storage means of technical design, fast, low in energy consumption with its writing speed, can plug at any time, removable, can store jumbo file and data, and do not need excellent performance such as specific mechanical hook-up drives and become the main flow of mobile storage product day by day, as various plug type portable hard drives.Chinese patent application 02114882.1 " supporting the semiconductor memory method and the device of multiple interfaces " also discloses a kind of semiconductor memory method and device of supporting multiple interfaces, is used for data handling system.But when it was in idle state, they can not provide other information source for the user, as listen to station broadcast; If these flash memory devices also have radio function when having memory function, concerning the user, will increase more enjoyment.
Summary of the invention
The object of the present invention is to provide a kind of flash memory device with radio function, it utilizes the original member in the flash memory device, and on its basis, increase the receiver circuit module, it not only can finish the repertoire of original flash memory device, can also allow the user be used for listening to station broadcast.
For satisfying above-mentioned purpose, the present invention proposes a solution with flash memory device of radio function:
A kind of flash memory device with radio function, comprise: an interface unit, a memory module that is used for the data message that the memory communicating interface transmits, control and coordinate described main control module for one with flash memory device each several part operate as normal of radio function, its characteristics are: also comprise a receiver circuit module that links to each other with described main control module, the main control module is by the control command of described interface unit reception from the outside, analyze these orders and send concrete steering order according to order request to radio receiver module then, this receiver circuit module is accepted and is carried out from the steering order of described main control module and the radio signals that receives the outside.
Flash memory device with radio function of the present invention can further include a man-machine interface part that links to each other with described main control module, utilizes this man-machine interface part also can send control command to the receiver circuit module to the main control module.
Flash memory device with radio function of the present invention can further include a LCD display that links to each other with described main control module, and it can be used to show the duty of receiver circuit module.
The contrast prior art the invention has the advantages that:
Flash memory device with radio function of the present invention has made full use of the relevant portion of common flash memory device, as main control module, LCD display etc., realize wireless function well, simultaneously, also provide a new information channel for the user, make it can the free time, hear news program, frequency-modulated music etc., realize one-object-many-purposes, also make multimedia technology on this equipment, obtain sufficient more embodiment.
Above and other objects of the present invention, feature and advantage are from below in conjunction with accompanying drawing be not will become more obvious the specific descriptions of certain embodiments.
Description of drawings
Fig. 1 is the structured flowchart of device embodiment of the present invention.
Fig. 2 is the structured flowchart of receiver circuit module.
Fig. 3 is the block diagram of radio frequency tuning system module.
Fig. 4 is the block diagram of radio communication mode.
Fig. 5 is the system chart of radio status control module.
Specific embodiment
In the following description, known function or structure will no longer describe in detail, to avoid there be unnecessary obscuring with content of the present invention.
Fig. 1 is the structured flowchart of device embodiment of the present invention, and as shown in Figure 1, described device is divided into two parts: flash memory device part 10 and receiver circuit module 20; Wherein comprise an interface unit 6 in the flash memory device part 10, a memory module 3 that is used for the data message that the memory communicating interface transmits, control and coordinate described main control module 1 for one with flash memory device each several part operate as normal of radio function, a man-machine interface part 4 that links to each other with described main control module 1, a LCD display 11 that links to each other with described main control module 1, wherein interface unit 6 comprises UART interface 7 and USB interface 8.UART interface 7 links to each other with mobile phone 9 and carries out communication, and USB interface 8 links to each other with usb host interface on the PC 12 and carries out communication.
The control command that main control module 1 receives from PC 12 or mobile phone 9 by USB interface 8 or UART interface 7, main control module 1 is analyzed these orders then according to order request, receiver circuit module 20 is specifically controlled, thereby realize wireless all functions, for example: when this described device is connected with mobile phone 9 by UART interface 7, mobile phone 9 can send control command information to main control module 1 by UART interface 7, firmware in the main control module 1 (firmware) analyzes control command, finish control according to order request then, realize radio function receiver circuit module 20.Issue " searching broadcasting station automatically " order such as mobile phone, command information is received by main control module 1 through UART interface 7, after firmware in main control module 1 is confirmed to be " searching broadcasting station automatically " order, 1 pair of receiver circuit module 20 of main control module is provided with, radio is searched for automatically, and the receiver circuit module inquired about, when finding that radio has searched the radio station, return to mobile phone 9 automatic search missions and finish information.This equipment links to each other with PC 12 by USB interface 7, and its operating process is the same when being connected with mobile phone.
The structured flowchart of Fig. 2 receiver circuit module 20.As shown in Figure 2: the receiver circuit module mainly comprises: RF receiver module 21, voltage-control oscillator module 22, radio frequency tuning system module 23, radio communication interface module 24, radio status control module 25 and radio audio frequency output module 26.
The block diagram of Fig. 3 radio frequency tuning system module 23, as shown in Figure 3, radio frequency tuning system module 23 comprises: automatic gain control circuit 230, low noise amplifier 232, frequency mixer 233, frequency divider 238, intermediate frequency filtering 234, gain stabilization 231, centre frequency adjusting 239, limiter 235, quadrature demodulator 236, soft noise are checked circuit 237, stereo decoder 240, stereo noise compensating circuit 241.The RF aerial signal is imported in the balance low noise amplifier (LNA) 232 via the RF match circuit; Voltage-controlled oscillator circuit module 22 produces the necessary frequency-doubled signal of mixer architecture, produces the local oscillation signal (LO) that needs in frequency divider 238; In order not make balance low noise amplifier 232 and frequency mixer 233 overloads, the signal of output is imported in the automatic gain control circuit (AGC) 230; In orthogonal mixer 236, RF signal and local oscillation signal (LO) stack and be down converted to intermediate frequency (IF) signal of 225KHz; Frequency mixer 233 structures of selecting have built-in imaginary part attenuation function, and the frequency of voltage-controlled oscillator circuit module 22 is controlled by PLL (phase-locked loop circuit) synchro system in addition; The signal of frequency mixer 233 outputs is imported in the intermediate-frequency filter 234, and the IF frequency of this wave filter is regulated 239 modules by the IF centre frequency and controlled; The IF signal is imported into limiter 235 then, cuts out the amplitude of variation of signal here, then signal is input to quadrature demodulator 236; Stereo decoder 240 can be set to monophonic mode by bus interface.When faint input signal, stereo noise compensation (SNC) circuit 241 can be monophonic mode from " stereo entirely " changing over to gradually with stereo decoder 240.Because the SNC function can be improved the quality of audio frequency when faint input signal, so this function is very useful to portable equipment; When signal dropped to low level, soft noise was checked circuit 237 and can be suppressed the string audio-frequency noise and can avoid listening to unnecessary noise.
Fig. 4 is the block diagram of radio communication mode.As shown in Figure 4, main control module 1 is connected with receiver circuit module 20 by 5 control lines.Bus Enable is that bus allows control line; BUSMODE is that mode bus is selected control line; Read/Write is that control line (only being used for 3 line serial interface modes) is selected in read-write; Clock is the serial data transmission clock; Data is the serial data of transmission.Selection by the BUSMODE control line can be set at communication mode IIc (serial bus protocol) universal serial bus pattern and 3 wire serial bus patterns, when BUSMODE=0, is operated in the Iic mode bus; When BUSMODE=1, be operated in 3 wire serial bus patterns.
Fig. 5 is the system chart of radio status control module 25.As shown in Figure 5, all corresponding corresponding wireless function of each control module of radio status control module 25 inside.Wherein: PLL frequency tuning program counter 251 is set the frequency range position that radio received; Search condition register 252 demonstrates the radio function of search finish after the state of radio receiver module; Radio sound effect status register 253 is set wireless sound effect and volume; FM reception kind and accept scope range registers 254 and set wireless reception kind is such as FM or AM; Also set the radio range of receiving, such as being American-European frequency range or Japanese frequency range.
The major function of radio part comprises in the described flash memory device with radio function: set the receive mode function, as be set at that FM receives or AM receives; Set the radio station function; The manual search radio station; Automatic searching broadcasting station; Monophony and stereo conversion; Volume is regulated; The FM reception scope can also be set,, the U.S., European frequency range (87.5M-108MHz) or Japanese frequency range (76M-91MHz) can be received such as at the FM mode of frequency regulation; Can also receive the following Japanese TV audio frequency of 108MHz in addition.
Come it is controlled to realize that above-mentioned functions is feasible as PC or mobile phone by external unit, for example, come wireless frequency is set by mobile phone, device of the present invention just can be finished through the following steps: wireless frequency setting is divided into two steps, the first step, at first want previous channel feature, can adopt automatic search or directly by two kinds of methods of keyboard incoming frequency data.Automatically the operation of search is as follows: enter " function of radio receiver/frequency setting/search automatically " menu of mobile telephone display demonstration by button after, it is the stepping line scanning with 75kHz that mobile phone begins from lowest frequency points (88MHz), when the signal strength of receiving surpasses critical value, stop scanning, remind and whether store; If user's input " denying " key then continues scanning; If user's input " affirmation " key then requires the user to continue the incoming frequency code name, the user is by behind the keyboard incoming frequency code name, mobile phone is preserved this frequency, and begin the scanning of next channel, so continue, till the FM radio station maximum frequency point (88MHz) of scanning.The frequency of radio station that can have like this, all preliminary elections.If know the frequency values in radio station, also can directly import, operate as follows: enter " function of radio receiver/frequency setting/manual search " menu, elder generation's incoming frequency value, then incoming frequency code name, then secondary frequencies just is kept in the mobile phone, from now on this code name as station designator accordingly.In second step, when listening to the radio station, need only select predetermined station designator and get final product.
Flash memory device with radio function of the present invention, be not restricted to listed utilization in instructions and the embodiment, it can be applied to various suitable the present invention's field fully, for those skilled in the art, can easily realize additional advantage and make amendment, therefore under the situation of the spirit and scope of the universal that does not deviate from claim and equivalency range and limited, the examples shown that the present invention is not limited to specific details, representational equipment and illustrates here and describe.
Claims (8)
1, a kind of flash memory device with radio function, comprise: an interface unit, a memory module that is used for the data message that storage interface unit transmits, control and coordinate described main control module for one with flash memory device each several part operate as normal of radio function, its characteristics are: also comprise a receiver circuit module that links to each other with described main control module, the main control module is by the control command of described interface unit reception from the outside, analyze these orders and send concrete steering order according to order request to radio receiver module then, this receiver circuit module is accepted and is carried out from the steering order of described main control module and the radio signals that receives the outside.
2, the flash memory device with radio function according to claim 1 is characterized in that, described interface unit can include but be not limited to USB interface, UART interface.
3, the flash memory device with radio function according to claim 1, it is characterized in that, can further include a man-machine interface that links to each other with described main control module, utilize this man-machine interface also can send control command to the main control module to the receiver circuit module.
4, the flash memory device with radio function according to claim 1 is characterized in that, can further include a LCD display that links to each other with described main control module, and it can be used to show the duty of receiver circuit module.
5, flash memory device with radio function according to claim 1, it is characterized in that, described receiver circuit module mainly comprises: the RF receiver module, voltage-control oscillator module, radio frequency tuning system module, the radio communication interface module, radio status control module and radio audio frequency output module, wherein, the RF receiver module receives wireless signal and the RF aerial signal is inputed to radio frequency tuning system module, voltage-control oscillator module provides receiving signal tuning necessary frequency-doubled signal for radio frequency tuning system module, the main control module is handed down to the radio status control module by the radio communication interface module with control command, and radio state controlling module controls radio frequency tuning system module and radio audio frequency output module are finished frequency tuning and output sound; Radio frequency tuning system module transferring status data is given the radio status control module, and the radio status control module is given the main control module by radio communication interface module forward data information.
6, the flash memory device with radio function according to claim 4 is characterized in that, the radio status control module includes following control module: PLL frequency tuning program counter is set the frequency range position that radio received; The search condition register demonstrates the radio function of search finish after the state of radio receiver module; Radio sound effect status register is set wireless sound effect and volume; The FM reception kind and the scope range registers of acceptance are set wireless reception kind.
7, the flash memory device with radio function according to claim 1, it is characterized in that described main control module is connected with described receiver circuit module by following 5 control lines and carries out communication: bus allows control line Bus Enable, mode bus to select control line BUSMODE, read-write to select control line Read/Write, serial data transmission clock Clock, serial data transmission line.
8, the flash memory device with radio function according to claim 7 is characterized in that, the selection by described BUSMODE control line can be set at communication mode IIc universal serial bus pattern and 3 wire serial bus patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031479553A CN100472482C (en) | 2003-06-30 | 2003-06-30 | Mobile storage unit having radio function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031479553A CN100472482C (en) | 2003-06-30 | 2003-06-30 | Mobile storage unit having radio function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1525339A true CN1525339A (en) | 2004-09-01 |
| CN100472482C CN100472482C (en) | 2009-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031479553A Expired - Fee Related CN100472482C (en) | 2003-06-30 | 2003-06-30 | Mobile storage unit having radio function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867429A (en) * | 2010-06-08 | 2010-10-20 | 中兴通讯股份有限公司 | Method, system and personal computer suite for realizing radio function |
| CN102754350A (en) * | 2010-02-08 | 2012-10-24 | 松下电器产业株式会社 | Audio apparatus |
-
2003
- 2003-06-30 CN CNB031479553A patent/CN100472482C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102754350A (en) * | 2010-02-08 | 2012-10-24 | 松下电器产业株式会社 | Audio apparatus |
| CN101867429A (en) * | 2010-06-08 | 2010-10-20 | 中兴通讯股份有限公司 | Method, system and personal computer suite for realizing radio function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100472482C (en) | 2009-03-25 |
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Granted publication date: 20090325 Termination date: 20120630 |