CN202435621U - Mobile phone with double signal processing modules - Google Patents
Mobile phone with double signal processing modules Download PDFInfo
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- CN202435621U CN202435621U CN2011205630146U CN201120563014U CN202435621U CN 202435621 U CN202435621 U CN 202435621U CN 2011205630146 U CN2011205630146 U CN 2011205630146U CN 201120563014 U CN201120563014 U CN 201120563014U CN 202435621 U CN202435621 U CN 202435621U
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Abstract
The utility model discloses a mobile phone with double signal processing modules. The mobile phone with the double signal processing modules comprises a first signal processing module, a second signal processing module and a level switching circuit, and two ends of the level switching circuit are connected with the first signal processing module and the second signal processing module respectively. The level switching circuit arranged between the first signal processing module and the second signal processing module is used for realizing level match between the first signal processing module and the second signal processing module so as to adapt to communication between the two signal processing modules under different electrical standards. Moreover, during research and development and design of mobile phones, selection range of signal processing modules is wider, so that research and development cost is saved beneficially, and more function applications are realized.
Description
Technical field
The utility model relates to electronic communication field, relates in particular to have dual signal processing module mobile phone.
Background technology
Along with the development of electronic communication technology, the consumer improves constantly the functional requirement of electronic product, and this just has higher requirement to the data-handling capacity of mobile phone, for mobile phone configuration dual signal processing module is exactly in order to satisfy this demand.As in smart mobile phone, the dual signal processing module is set, wherein a block signal processing module is used to accomplish communication function, and another block signal processing module is used to accomplish the function of multimedia terminal information processing controls; Dual-mode handset and for example; The dual signal processing module is set; Be respectively applied for and handle GSM (Global System for Mobile communications, global system for mobile communications) and CDMA (Code Division Multiple Access claims code division multiple access) signal.Disclose a kind of dual-mode handset like Intellectual Property in China office on 01 02nd, 2008, its publication number is CN 201001118.A kind of dual-mode handset comprises and two kinds of corresponding two BBPs of standard and RF receiving and transmission module, antenna that wherein, a BBP is a primary processor, and another place is for from processor; Also comprise bluetooth module and audio treatment unit; Connect through communication/control access between said two BBPs; Primary processor is connected through HCI with bluetooth module; Audio treatment unit is used to accomplish the transmission and the conversion of voice signal.
Usually mobile phone only is provided with a device such as display screen, keyboard, microphone or receiver; And above device is connected with one of them signal processing module circuit; This just needs to realize communication between two signal processing modules, thereby realizes the shared of devices such as two signal processing modules and display screen, keyboard, microphone or receiver.In the prior art; The signal processing module of different vendor or model has electrical standard separately; Realize the shared of devices such as two signal processing modules and display screen, keyboard, microphone or receiver; Need to adopt the signal processing module with identical electrical standard, the research and development design of product is very limited.
The utility model content
The purpose of the utility model provides a kind of dual signal processing module mobile phone, and its two signal processing modules can have different electrical standards.
The mobile phone that the utility model provided with dual signal processing module; Comprise first signal processing module and secondary signal processing module and level shifting circuit, the two ends of said level shifting circuit connect first signal processing module and secondary signal processing module respectively.
The dual signal processing module mobile phone that the utility model provided; Between first signal processing module and secondary signal processing module, level shifting circuit is set; Be used to realize the level match between first signal processing module and the secondary signal processing module, communicate by letter to adapt between different electric substandard signal processing modules.Make mobile phone in the research and development design, selecting for use of signal processing module is wider, helps saving R&D costs and realizes the more function application.
Description of drawings
Fig. 1 is embodiment one a described electrical block diagram with mobile phone of dual signal processing module;
Fig. 2 is the circuit structure diagram of level shifting circuit described in Fig. 1 and the mutual circuit of state.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1; Present embodiment provides a kind of mobile phone with dual signal processing module; Comprise first signal processing module 10 and secondary signal processing module 20 and level shifting circuit 30, the two ends of said level shifting circuit 30 connect first signal processing module 10 and secondary signal processing module 20 respectively.Said level shifting circuit 30 is used for the signal of telecommunication of first signal processing module, 10 outputs is carried out level conversion, thereby is fit to the electrical standard of said secondary signal processing module 20, redispatches to said secondary signal processing module 20; Be used for simultaneously the signal of telecommunication of secondary signal processing module 20 outputs is carried out level conversion, thereby be fit to the electrical standard of said first signal processing module 10, redispatch to said first signal processing module 10.So just realized the communication between the signal processing module of two kinds of different electrical standards.Mobile phone is in the research and development design, and selecting for use of signal processing module is wider, helps saving R&D costs and realizes the more function application.
The magnitude of voltage V1 of the high level signal that said first signal processing module 10 sends and receives is less than the magnitude of voltage V2 of the high level signal of said secondary signal processing module 20 transmissions and reception.As with the substandard signal processing chip of cdma communication in the prior art as first signal processing module 10, the model of releasing in 2006 like Qualcomm is the signal processing chip of QSC1100; And the substandard signal processing chip of gsm communication is as secondary signal processing module 20 in the prior art, and the model of at the beginning of 2009, releasing like Lian Fake is the signal processing chip of MT6253.Can realize that like this mobile phone can use simultaneously in GSM and cdma communication network.
The magnitude of voltage V1 of the high level signal that said first signal processing module 10 sends and receives is 1.8V; The magnitude of voltage V2 of the high level signal that said secondary signal processing module 20 is sent and received is 2.8V.
As shown in Figure 2, said first signal processing module 10 is provided with first transmission interface 11 (M1_UART_TX), and said secondary signal processing module 20 is provided with second receiving interface 22 (M2_UART_RX) and second source interface 21 (M2_LDO); Said level shifting circuit 30 comprises booster circuit 31, and the input of said booster circuit 31 is connected with said second source interface 21 (M2_LDO) with said first transmission interface 11 (M1_UART_TX) respectively; The output of said booster circuit 31 is connected with said second receiving interface 22 (M2_UART_RX).
As shown in Figure 2, said booster circuit 31 comprises first resistance R, 1 ﹑, second resistance R, 2 ﹑ the 3rd resistance R 3 ﹑, the first triode T1 and the second triode T2; The base stage of the said first triode T1 is connected with said first transmission interface 11 (M1_UART_TX); The emitter of the said first triode T1 is connected with the emitter of the said second triode T2; One end of said first resistance R 1 is connected with an end of said second source interface 21 (M2_LDO) and said second resistance R 2 respectively; The other end of said second resistance R 2 is connected with the collector electrode of the said first triode T1; The other end of said first resistance R 1 is connected with collector electrode and said second receiving interface 22 (M2_UART_RX) of the said second triode T2; Said the 3rd resistance R 3 one ends are connected with the collector electrode of the said first triode T1 and the other end is connected with the base stage of the said second triode T2.It will be appreciated by those skilled in the art that; Booster circuit 31 through the foregoing circuit structure can be drawn high the output voltage of said first transmission interface 11 (M1_UART_TX) to having identical magnitude of voltage with said second source interface 21 (M2_LDO); Realizing the level match between said first transmission interface 11 (M1_UART_TX) and said second receiving interface 22 (M2_UART_RX), thereby realize that said secondary signal processing module 20 can receive the signal that said first signal processing module 10 sends.
As shown in Figure 2, said first signal processing module 10 is provided with first power interface 12 (M1_LDO) and first receiving interface 13 (M1_UART_RX); Said secondary signal processing module 20 is provided with second transmission interface 23 (M2_UART_TX); Said level shifting circuit 30 comprises reduction voltage circuit 32, and the input of said reduction voltage circuit 32 is connected with first power interface 12 (M1_LDO) with said second transmission interface 23 (M2_UART_TX) respectively; The output of said reduction voltage circuit 32 is connected with said first receiving interface 13 (M1_UART_RX).
As shown in Figure 2, said reduction voltage circuit 32 comprises the 4th resistance R 4 ﹑ the 5th resistance R 5 ﹑ the 6th resistance R 6 ﹑ the 3rd triode T3 and the 4th triode T4; The base stage of said the 4th triode T4 is connected with said second transmission interface 23 (M2_UART_TX); The emitter of said the 4th triode T4 is connected with the emitter of said the 3rd triode T3; One end of said the 4th resistance R 4 is connected with an end of said first power interface 12 (M1_LDO) and said the 5th resistance R 5 respectively; The other end of said the 5th resistance R 5 is connected with the collector electrode of said the 4th triode T4; The other end of said the 4th resistance R 4 is connected with collector electrode and said first receiving interface 13 (M1_UART_RX) of said the 3rd triode T3; Said the 6th resistance R 6 one ends be connected with the collector electrode of said the 4th triode T4 and the other end and said the 3rd triode T3 base stage be connected.It will be appreciated by those skilled in the art that; Reduction voltage circuit 32 through the foregoing circuit structure can be pulled low to the output voltage of said second transmission interface 23 (M2_UART_TX) with said first power interface 12 (M1_LDO) has identical magnitude of voltage; Realizing the level match between said second transmission interface 23 (M2_UART_TX) and said first receiving interface 13 (M1_UART_RX), thereby realize that said first signal processing module 10 can receive the signal that said secondary signal processing module 20 is sent.
Said first transmission interface 11 (M1_UART_TX), said first receiving interface 13 (M1_UART_RX), said second transmission interface 23 (M2_UART_TX) and second receiving interface 22 (M2_UART_RX) are serial line interface.
Mobile phone with dual signal processing module as shown in Figure 1, that present embodiment provides also is provided with the mutual circuit 40 of state that is used to realize handshake communication.It will be appreciated by those skilled in the art that; In data communication; The signal that receives and send comprises valid data signal and handshake, and said handshake is used for before the transmitting-receiving valid data signal, connecting, and makes receiving-transmitting sides be in the due-in of valid data signal or generation is sent out a state; Said handshake also is used for cancellation connection after the transmitting-receiving valid data signal, makes receiving-transmitting sides be in sleep state, to save electric energy and to prevent system loss.
As shown in Figure 2, said first signal processing module 10 is provided with the first state output interface 14 (M1_STATUS_OUT); Said secondary signal processing module 20 is provided with the first state input interface 24 (M1_STATUS_IN); The mutual circuit 40 of said state comprises first circuit that connects said first state output interface 14 (M1_STATUS_OUT) and the said first state input interface 24 (M1_STATUS_IN).It will be appreciated by those skilled in the art that; Said first signal processing module 10 changes said first signal processing module 10 and whether is in the state of waiting to receive valid data signal through changing the level height on the said first state output interface 14 (M1_STATUS_OUT).When the said first state output interface 14 (M1_STATUS_OUT) was gone up to high level, said first signal processing module 10 was in the state of waiting to receive valid data signal; When the said first state output interface 14 (M1_STATUS_OUT) is gone up to low level; Said first signal processing module 10 is in sleep state; Said secondary signal processing module 20 can detect the level situation on the said first state output interface 14 (M1_STATUS_OUT) through the said first state input interface 24 (M1_STATUS_IN), whether is in the state of waiting to receive valid data signal thereby judge said first signal processing module 10.
As shown in Figure 2, said first signal processing module 10 is provided with the second state input interface 15 (M2_STATUS_IN); Said secondary signal processing module 20 is provided with the second state output interface 25 (M2_STATUS_OUT); The mutual circuit 40 of said state comprises the second circuit that connects said second state input interface 15 (M2_STATUS_IN) and the said second state output interface 25 (M2_STATUS_OUT).It will be appreciated by those skilled in the art that; Said secondary signal processing module 20 changes said secondary signal processing module 20 and whether is in the state of waiting to receive valid data signal through changing the level height on the said second state output interface 25 (M2_STATUS_OUT).When the said second state output interface 25 (M2_STATUS_OUT) was gone up to high level, said secondary signal processing module 20 was in the state of waiting to receive valid data signal; When the said second state output interface 25 (M2_STATUS_OUT) is gone up to low level; Said secondary signal processing module 20 is in sleep state; Said first signal processing module 10 can detect the level situation on the said second state output interface 25 (M2_STATUS_OUT) through the said second state input interface 15 (M2_STATUS_IN), whether is in the state of waiting to receive valid data signal thereby judge said secondary signal processing module 20.
The said first state output interface 14 (M1_STATUS_OUT), the said first state input interface 24 (M1_STATUS_IN), the second state input interface 15 (M2_STATUS_IN) and the said second state output interface 25 (M2_STATUS_OUT) are the GPIO interface.Like this, utilize the GPIO interface to realize the transmission of handshake, saved the serial line interface of first signal processing module 10 and secondary signal processing module 20, the space of more expansions is provided for mobile phones design.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (13)
1. dual signal processing module mobile phone; Comprise first signal processing module (10) and secondary signal processing module (20); It is characterized in that: also comprise level shifting circuit (30), the two ends of said level shifting circuit (30) connect first signal processing module (10) and secondary signal processing module (20) respectively.
2. mobile phone as claimed in claim 1 is characterized in that: the magnitude of voltage V2 of the high level signal that the magnitude of voltage V1 of the high level signal that said first signal processing module (10) sends and receives sends and receives less than said secondary signal processing module (20).
3. mobile phone as claimed in claim 2 is characterized in that: said first signal processing module (10) is provided with first transmission interface (11), and said secondary signal processing module (20) is provided with second receiving interface (22) and second source interface (21); Said level shifting circuit (30) comprises booster circuit (31), and the input of said booster circuit (31) is connected with said second source interface (21) with said first transmission interface (11) respectively; The output of said booster circuit (31) is connected with said second receiving interface (22).
4. mobile phone as claimed in claim 3 is characterized in that: said booster circuit (31) comprises first resistance (R1) ﹑ second resistance (R2) ﹑ the 3rd resistance (R3) ﹑ first triode (T1) and second triode (T2); The base stage of said first triode (T1) is connected with said first transmission interface (11); The emitter of said first triode (T1) is connected with the emitter of said second triode (T2); One end of said first resistance (R1) is connected with an end of said second source interface (21) and said second resistance (R2) respectively; The other end of said second resistance (R2) is connected with the collector electrode of said first triode (T1); The other end of said first resistance (R1) is connected with the collector electrode and said second receiving interface (22) of said second triode (T2); Said the 3rd resistance (R3) end is connected with the collector electrode of said first triode (T1) and the other end is connected with the base stage of said second triode (T2).
5. like claim 3 or 4 described mobile phones, it is characterized in that: said first transmission interface (11) and said second receiving interface (22) are serial line interface.
6. mobile phone as claimed in claim 2 is characterized in that: said first signal processing module (10) is provided with first power interface (12) and first receiving interface (13); Said secondary signal processing module (20) is provided with second transmission interface (23); Said level shifting circuit (30) comprises reduction voltage circuit (32), and the input of said reduction voltage circuit (32) is connected with first power interface (12) with said second transmission interface (23) respectively; The output of said reduction voltage circuit (32) is connected with said first receiving interface (13).
7. mobile phone as claimed in claim 6 is characterized in that: said reduction voltage circuit (32) comprises the 4th resistance (R4) ﹑ the 5th resistance (R5) ﹑ the 6th resistance (R6) ﹑ the 3rd triode (T3) and the 4th triode (T4); The base stage of said the 4th triode (T4) is connected with said second transmission interface (23); The emitter of said the 4th triode (T4) is connected with the emitter of said the 3rd triode (T3); One end of said the 4th resistance (R4) is connected with an end of said first power interface (12) and said the 5th resistance (R5) respectively; The other end of said the 5th resistance (R5) is connected with the collector electrode of said the 4th triode (T4); The other end of said the 4th resistance (R4) is connected with the collector electrode and said first receiving interface (13) of said the 3rd triode (T3); Said the 6th resistance (R6) end be connected with the collector electrode of said the 4th triode (T4) and the other end and said the 3rd triode (T3) base stage be connected.
8. like claim 6 or 7 described mobile phones, it is characterized in that: said first receiving interface (13) and said second transmission interface (23) are serial line interface.
9. mobile phone as claimed in claim 1 is characterized in that: be provided with the mutual circuit of state (40) that is used to realize handshake communication.
10. mobile phone as claimed in claim 9 is characterized in that: said first signal processing module (10) is provided with the first state output interface (14); Said secondary signal processing module (20) is provided with the first state input interface (24); The mutual circuit of said state (40) comprises first circuit that connects said first state output interface (14) and the said first state input interface (24).
11. mobile phone as claimed in claim 10 is characterized in that: said first state output interface (14) and the said first state input interface (24) are the GPIO interface.
12. mobile phone as claimed in claim 9 is characterized in that: said first signal processing module (10) is provided with the second state input interface (15); Said secondary signal processing module (20) is provided with the second state output interface (25); The mutual circuit of said state (40) comprises the second circuit that connects said second state input interface (15) and the said second state output interface (25).
13. mobile phone as claimed in claim 12 is characterized in that: said second state input interface (15) and the said second state output interface (25) are the GPIO interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205630146U CN202435621U (en) | 2011-12-29 | 2011-12-29 | Mobile phone with double signal processing modules |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205630146U CN202435621U (en) | 2011-12-29 | 2011-12-29 | Mobile phone with double signal processing modules |
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| CN202435621U true CN202435621U (en) | 2012-09-12 |
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| CN2011205630146U Expired - Lifetime CN202435621U (en) | 2011-12-29 | 2011-12-29 | Mobile phone with double signal processing modules |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523353A (en) * | 2011-12-29 | 2012-06-27 | 上海华勤通讯技术有限公司 | Mobile terminal with two signal process modules and communication method |
-
2011
- 2011-12-29 CN CN2011205630146U patent/CN202435621U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523353A (en) * | 2011-12-29 | 2012-06-27 | 上海华勤通讯技术有限公司 | Mobile terminal with two signal process modules and communication method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201203 Building 1, 399 Keyuan Road, Pudong New Area, Shanghai Patentee after: Huaqin Technology Co.,Ltd. Address before: 201203 Building 1, 399 Keyuan Road, Pudong New Area, Shanghai Patentee before: Huaqin Technology Co.,Ltd. Address after: 201203 Building 1, 399 Keyuan Road, Pudong New Area, Shanghai Patentee after: Huaqin Technology Co.,Ltd. Address before: 201203 Building 1, 399 Keyuan Road, Pudong New Area, Shanghai Patentee before: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. Address after: 201203 Building 1, 399 Keyuan Road, Pudong New Area, Shanghai Patentee after: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. Address before: 201203 Building 1, 399 Keyuan Road, Pudong New Area, Shanghai Patentee before: SHANGHAI HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |
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| CX01 | Expiry of patent term |