CN201114641Y - A dual-mode mobile communication terminal - Google Patents

Abstract

The utility model discloses a bimodal mobile communication terminal, which comprises a micro processor (1), a memory (2), a flash memory (3), a radio frequency module (4), an analog-digital conversion module (5), a debugging module (6), a power supply control module (7), an SIM card module (8), a keyboard module (9), a multimedia control module (10), a serial port (11), a USB (12) and a peripheral interface (13). The bimodal mobile terminal supports both TD-SCDMA protocol and GSM protocol and has very powerful data processing function and multimedia processing function. The utility model is self-adaptive to the communication network environment by the radio frequency module and can carry out automatic switching according to different networks. After being processed by a CPU, the data is stored in a user data storage area; after the user operation instruction is received, the corresponding operations are performed, thus providing the user with high-speed multimedia services and Internet browsing services. The bimodal mobile communication terminal can be widely used in the future TD-SCDMA mobile communication network and the existing GSM mobile communication network.

Description

A kind of communication terminal of bimodulus

Technical field

The utility model belongs to the mobile communication technology field, the communication terminal (being commonly called as mobile phone) of particularly a kind of digital support TD-SCDMA network and GSM network schemer.

Background technology

Dual-mode handset is the mobile phone of supporting GSM network and TD-SCDMA network simultaneously, although this dual-mode handset just comes out, because its appearance makes the mobile phone based on GSM, TD-SCDMA be come true by dream.Use the GSM/TD-SCDMA dual-mode handset, the user can freely be switched between GSM and TD-SCDMA, which network technology more can play a role, just allow mobile phone switch to the work of going down of which kind of pattern, if in one mode, mobile communication is of low quality or other bad communication phenomenons occur, can freely forward on the another one network schemer and work, enlarged the voice frequency of mobile phone, and improve the stability of communication greatly, avoid present TD-SCDMA network to popularize fewer problem effectively.

Present area in the TD-SCDMA pilot, especially be fit to use dual-mode handset, because dual-mode handset can switch between GSM network and TD-SCDMA network neatly, can remain conversation constantly, and received signal simultaneously, with the signal synthesis stack that receives, noise signal is filtered then, outstanding voice signal is enjoyed thereby obtain high-quality voice.In addition, dual-mode handset adopts broadband technology, support call transfer, Call Waiting, tripartite talk, caller ID display, short message, voice mail, the multiple function of automatic roaming.

At present more universal at the network of China 2G, each communication operator has dropped into the network that very big fund is built 2G, and the network of 2G is very ripe.If so the network abolish of having built well is fallen, again build the network of 3G, for China is a very big wasting of resources, well solved this problem so be applicable to the dual-mode handset of 2G and 3G simultaneously, when not wasting resource, improved again, so have than the better market prospects of the 3G mobile of single mode to the user's data service ability.

Summary of the invention

The purpose of this utility model provides the mobile phone terminal under a kind of TD-SCDMA of being applied in network and the GSM network.This terminal is applicable to the multiple network pattern, and multimedia service and internet browsing service at a high speed is provided, and has not only realized the general utility functions of second generation mobile phone terminal, has also realized the video communication, functions such as video conference.

The utility model comprises microprocessor, internal memory, flash memory, radio-frequency module, analog-to-digital conversion module, debugging module, energy supply control module, SIM card module, Keysheet module, multimedia control module, serial ports, USB and Peripheral Interface; Wherein the port of internal memory correspondence connects DMA0-12, the DMD0-15 port of microprocessor, corresponding EMA0-24, the DMD0-15 port that connects microprocessor of the port of flash memory, corresponding RFCTL0:15, the RFIQ PORT port that connects microprocessor of the port of radio-frequency module; The corresponding ADCIN1 that connects microprocessor of the port of analog-to-digital conversion module, the ADCIN2 port, the corresponding JTAG TCK that connects microprocessor of the port of debugging module, JTAG TDI, JTAG TDO, JTAG TMS, JTAG TRST port, the corresponding VBAT that connects microprocessor of the port of energy supply control module, the VSS port, the corresponding SIMCLK that connects microprocessor of the port of SIM card module, SIMRST1, the SIMDA1 port, the corresponding KEYIN[0:4 that connects microprocessor of Keysheet module] and KEYOUT[0:5] port, the corresponding microprocessor EMA7:8 that connects of the port of multimedia control module, the EMD0:1 port, the corresponding U1TXD that connects microprocessor of the port of serial ports, the U1RXD port, the corresponding EMD0:7 that connects microprocessor of the port of USB, EMA8, the EMCSN0 port, the corresponding U2TXD that connects microprocessor of the port of Peripheral Interface, the U2RXD port.Wherein, radio-frequency module can the adaptive communications network environment, automaticallyes switch according to different networks.Also be solidified with mobile phone operating system and Application Software Program in the flash chip.

The utility model is a dual-mode handset of supporting TD-SCDMA agreement and gsm protocol simultaneously, have very strong data processing function and multimedia processing capacity, by radio-frequency module adaptive communications network environment, automatically switching network, data are stored in the user data conservation zone after handling through CPU, wait to receive user's operational order after, operate accordingly, provide multimedia service and internet browsing service at a high speed to the user.This mobile phone is provided with the function of current main-stream such as the TFT color screen, chord bell sound, digital vedio recording, MMS of 65536 looks; Aspect multimedia application, can take static images and dynamic video, record and phonetic dialing, and support the broadcast of video and audio documents; The Dram space that possesses 28MB also provides infrared, blue tooth interface simultaneously, and supports USB to connect, and market prospects are boundless.

Description of drawings

Accompanying drawing 1 is the functional block diagram of the utility model embodiment

Accompanying drawing 2 is the logic theory block diagram of the utility model embodiment

Accompanying drawing 3 is the CPU schematic diagram of the utility model embodiment

Embodiment

Below in conjunction with accompanying drawing, embodiment of the present utility model is specifically described:

With reference to the accompanying drawings 1,2, the utility model embodiment comprises microprocessor (1), internal memory (2), flash memory (3), radio-frequency module (4), analog-to-digital conversion module (5), debugging module (6), energy supply control module (7), SIM card module (8), Keysheet module (9), multimedia control module (10), serial ports (11), USB (12) and Peripheral Interface (13); Wherein the port of internal memory (2) correspondence connects DMA0-12, the DMD0-15 port of microprocessor (1), corresponding EMA0-24, the DMD0-15 port that connects microprocessor (1) of the port of flash memory (3), corresponding RFCTL0:15, the RFIQ PORT port that connects microprocessor (1) of the port of radio-frequency module (4); The corresponding ADCIN1 that connects microprocessor (1) of the port of analog-to-digital conversion module (5), the ADCIN2 port, the corresponding JTAG TCK that connects microprocessor (1) of the port of debugging module (6), JTAG TDI, JTAG TDO, JTAGTMS, JTAG TRST port, the corresponding VBAT that connects microprocessor (1) of the port of energy supply control module (7), the VSS port, the corresponding SIMCLK that connects microprocessor (1) of the port of SIM card module (8), SIMRST1, the SIMDA1 port, the corresponding KEYIN[0:4 that connects microprocessor (1) of Keysheet module (9)] and KEYOUT[0:5] port, corresponding microprocessor (1) EMA7:8 that connects of the port of multimedia control module (10), the EMD0:1 port, the corresponding U1TXD that connects microprocessor (1) of the port of serial ports (11), the U1RXD port, the corresponding EMD0:7 that connects microprocessor (1) of the port of USB (12), EMA8, the EMCSN0 port, the corresponding U2TXD that connects microprocessor (1) of the port of Peripheral Interface (13), the U2RXD port.

With reference to the accompanying drawings 3, in the utility model embodiment, internal memory (2) all is to be connected by the memory bus that microprocessor (1) carries with flash memory (3), as long as carry out read or write at assigned address, just can operate flash memory (3) and internal memory (2).Radio-frequency module (4) can the adaptive communications network environment, automaticallyes switch according to different networks.Analog-to-digital conversion module (5) carries out mutual conversion to analog signal and digital signal as required.Debugging module (6) is transparent for the user, is mainly used in the program debugging of R﹠D process and the download of bottom software.Energy supply control module (7) is realized charge function by single chip, and microprocessor (1) receives the signal that is connected on this chip and will control inner LDO.SIM card module (8) is mainly used in and reads SIM information and write SIM card information.Multimedia control module (10) is controlled by the control chip of LCM modular belt by sharing the FLASH bus, and this control chip is not only being controlled the demonstration of LCD, but also has controlled the operation of camera and loudspeaker; As long as write the instruction of this chip identification by the address that is mapped to it, both can control the demonstration of LCD, can control also that camera is taken pictures and preview, can also read audio file and play according to different instruction address.Microprocessor (1) chip can custom programming, and inside has the FLASHROM of 64k to come stored program, and this program can download to chip internal in the ISP mode by serial line interface (11).This microprocessor also provides the matrix keyboard of 5*6, and connecting key disk module (9) and support power down arousal function can wake chip up from power-down mode.The transmission of USB (12) support data, synchronous.Internal memory (2) and flash memory (3) write various data in the past by microprocessor (1).Peripheral Interface (13) is mainly used to connect the first-class relevant device of scanning.

The components and parts model that the utility model embodiment is adopted is as shown in the table:

The components and parts title	Model	Encapsulation
			Three terminal regulator	AZ1117-3.3V，SOT223	SOT223
Low pressure reduction power regulator	LP29854.7V	SOT-25
			Reset circuit	IMP811S 2.93V，SOT-143，140MS	SOT-143
EEPROM	AT24C01 SO-8	SO-8
			EEPROM	24C512 SO-8	SO-8
Comparator	LM393(NS)	SO-8
			232 interfaces	MAX232 SO16，5V	SO16
DRAM	K4S6432H-TC60	TSOP54
			FLASH	SST39VF1601 128M*16，TSOP48	TSOP48
CPU	SC8800	QFP208
			The MP3 chip	AT89C51SND2C	PLCC44
Two-way inhibition diode	TPA200 1.5A RAD0.2	RAD0.2
			Relay	HRS1H-S，3VDC	HRS1H-S
The TFT color screen
			Paster processing and assembling	Processing charges (each 100)

Function that the utility model embodiment has reached and target:

1, this terminal is the dual-mode handset of a while compatible TD-SCDMA network and GSM network, that is to say under the condition that does not possess the TD-SCDMA network environment, still can bring into play the ability of each side preferably.

2, possess 65536 looks TFT color screen, chord bell sound, possess digital camera function, support the function of current main-stream such as MMS.

3, aspect multimedia application, can take static images and dynamic video, record and phonetic dialing, and support the broadcast of video and audio documents.

4, the Dram space that possesses 128MB also provides infrared, blue tooth interface simultaneously, and supports USB to connect.

Concrete technical indicator:

Network formats	TD-SCDMA/GSM
		The main screen parameter	Color screen, 65536 looks, TFT, 176 * 220 pixels, 1.9 cun
Battery	Lithium battery (BST-37)
		Stand-by time	400 hours
Input method	The T9 Chinese character coding input method, the T9 English input method
		Data function	Support bluetooth, support infrared ray, support data wire, support the Memory-Stick-DUO card, USB, support capacity are up to the MS Pro Duo of 2GB, will give the Memory Stick Duo of a 64MB at random as an addition
Multimedia	MP3 supports, video playback, FM radio reception, picture editor
		Memory size	128M

Claims (2)

1, a kind of communication terminal of bimodulus is characterized in that: comprise microprocessor (1), internal memory (2), flash memory (3), radio-frequency module (4), analog-to-digital conversion module (5), debugging module (6), energy supply control module (7), sim module (8), Keysheet module (9), multimedia control module (10), serial ports (11), USB (12) and Peripheral Interface (13); Corresponding RFCTL0:15, the RFIQ PORT port that connects microprocessor (1) of the port of radio-frequency module (4) wherein can the adaptive communications network environment, automaticallyes switch according to different networks.Corresponding U2TXD, the U2RXD port that connects microprocessor (1) of the port of Peripheral Interface (13).Can carry out different special applications by the first-class equipment of external scanning.

2, the communication terminal of a kind of bimodulus according to claim 1, it is characterized in that: wherein the port of internal memory (2) correspondence connects the DMA0-12 of microprocessor (1), the DMD0-15 port, the corresponding EMA0-24 that connects microprocessor (1) of the port of flash memory (3), the DMD0-15 port, the corresponding ADCIN1 that connects microprocessor (1) of the port of analog-to-digital conversion module (5), the ADCIN2 port, the corresponding JTAG TCK that connects microprocessor (1) of the port of debugging module (6), JTAGTDI, JTAG TDO, JTAG TMS, JTAG TRST port, the corresponding VBAT that connects microprocessor (1) of the port of energy supply control module (7), the VSS port, the corresponding SIMCLK that connects microprocessor (1) of the port of SIM card module (8), SIMRST1, the SIMDA1 port, the corresponding KEYIN[0:4 that connects microprocessor (1) of Keysheet module (9)] and KEYOUT[0:5] port, corresponding microprocessor (1) EMA7:8 that connects of the port of multimedia control module (10), the EMD0:1 port, the corresponding U1TXD that connects microprocessor (1) of the port of serial ports (11), the U1RXD port, the corresponding EMD0:7 that connects microprocessor (1) of the port of USB (12), EMA8, the EMCSN0 port.

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