CN100547521C - The multiple level converter of mobile communication terminal - Google Patents
The multiple level converter of mobile communication terminal Download PDFInfo
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- CN100547521C CN100547521C CNB200510104887XA CN200510104887A CN100547521C CN 100547521 C CN100547521 C CN 100547521C CN B200510104887X A CNB200510104887X A CN B200510104887XA CN 200510104887 A CN200510104887 A CN 200510104887A CN 100547521 C CN100547521 C CN 100547521C
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- 238000010295 mobile communication Methods 0.000 title claims abstract description 42
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000013154 diagnostic monitoring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 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
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
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- 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
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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- 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
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/409—Mechanical coupling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0002—Serial port, e.g. RS232C
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/38—Universal adapter
Abstract
The invention discloses a kind of multiple level converter of mobile communication terminal, support the multiple port of combined testing action group, UART Universal Asynchronous Receiver Transmitter and USB (universal serial bus), can between PC and mobile communication terminal, realize high-speed data communication by multiple interface.UART Universal Asynchronous Receiver Transmitter 1 port and USB (universal serial bus) port directly are connected with the communication port of mobile communication terminal, UART Universal Asynchronous Receiver Transmitter 2 ports and hands-free device port are by switching part and the shared same pin of combined testing action group port, can use certain combined testing action group port or " UART Universal Asynchronous Receiver Transmitter 2+TA/HF " port according to the selection of above-mentioned switching part.The multiple level converter of mobile communication terminal of the present invention is supported the multiple port of combined testing action group, RS-232 and USB (universal serial bus), can realize high-speed data communication by multiple interface between PC and mobile communication terminal.
Description
Technical field
The present invention relates to the multiple level converter of mobile communication terminal, UART Universal Asynchronous Receiver Transmitter) and the multiple port of USB particularly relate to a kind of JTAG of support, RS-232 (UART:, can between PC and mobile communication terminal, realize the multiple level converter of the mobile communication terminal of high-speed data communication by multiple interface.
Background technology
Generally speaking, level converter (LT:Level Translator) effect of providing support, make computing machine and mobile communication terminal can carry out data communication, in addition, also condition monitoring (DM:Diagnostic Monitoring), the audio-frequency test function to software download, above-mentioned mobile communication terminal provides support, and this existing level converter has following effect.
Promptly, after the utility routine that existing level converter provides mobile communication terminal operator downloads to computing machine and installation, when aforementioned calculation machine and mobile communication terminal carry out data communication, can utilize the RS-232C port of computing machine, the program that the address book imported in the aforementioned calculation machine and user are needed downloads to above-mentioned mobile communication terminal.
(claim again: L/T), the person of being developed or user are extensive use of, and the interface that each model uses is varied, uses mutually different module and cable etc., and its kind is also varied to have the Data Receiving sending module of having developed variform now.
Particularly nearest, reception sending functions such as USB (universal serial bus) (USB:universal serial bus), UART Universal Asynchronous Receiver Transmitter (UART:Universal Asynchronous Receiver Transmitter), combined testing action group (JTAG:Joint Test Action Group), hands-free device and kind increase day by day, but the I/O pin number of mobile communication terminal is subjected to the physical property restriction, particularly domestic mobile communication terminal, the purposes of its pin also is carried out regulation, and the problem at these several data interfaces can't be all used in existence.
Therefore, in order to overcome this problem, though developed some multi-usage products, these products also need to use a plurality of DIP switch, manually switch, and therefore there are the following problems, that is, if the user is unfamiliar with its using method, then be difficult to use.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of multiple level converter of mobile communication terminal, supports multiple ports such as JTAG, RS-232 (UART) and USB, can realize the high-speed data communication with mobile communication terminal.
For achieving the above object, feature of the present invention is to have following formation: UART1 port and USB port directly are connected with the communication port of mobile communication terminal, UART2 port and hands-free device (TA/HF) port is by switching part (analog switch) and the shared same pin of jtag port, can use some ports (jtag port or " UART2+TA/HF ") according to the selection of above-mentioned switching part.
Feature of the present invention is: still adopt the input/output terminal of original mobile communication terminal to connect standard (TTA), and the part that increases is to install JTAG and the UART interface that self can select automatically.
Another feature of the present invention is: aspect selection JTAG and UART interface, be not to use original DIP switch, directly switched by the user, but automatically switch after inserting the JTAG cable.
Another feature of the present invention is: in the arrangement of pin, both supported " UART1 and USB ", and can also optionally use " JTAG " or " UART2+ hands-free device " simultaneously, thereby realized considering the optimal needle arrangement of repetition and usage frequency.
The multiple level converter of mobile communication terminal of the present invention is supported the multiple port of JTAG, RS-232 (UART) and USB, can realize high-speed data communication by multiple interface between PC and mobile communication terminal.
Description of drawings
Fig. 1 is the exemplary plot of distribution that shows the connector of each port that distributes in the multiple level converter of mobile communication terminal of the present invention;
Fig. 2 shows to connect the circuit that the required detailed circuit of above-mentioned each port shown in Figure 1 constitutes;
Fig. 3 shows the monnolithic case of data cable module of the present invention and the exemplary plot of structure;
Fig. 4 is the amplification exemplary plot of the cable of above-mentioned connection multiple level converter fuselage shown in Figure 3 and PC;
Fig. 5 is the exemplary plot that shows the printed circuit board (PCB) of above-mentioned multiple level converter fuselage shown in Figure 3;
Fig. 6 is the enlarged drawing of the cable of above-mentioned connection multiple level converter fuselage shown in Figure 3 and terminal;
Fig. 7 be with multiple level converter of the present invention each at the signal specification table of answering;
Fig. 8 a to Fig. 8 c is the permutation table that is used for the pin of RS-232 cable connection in the multiple level converter of the present invention;
Fig. 9 is that the function of the multiple level converter of mobile communication terminal of the present invention constitutes block diagram.
Wherein, Reference numeral:
100: switching part (analog switch) 101,102:UART drive division
200: multiple level converter fuselage 201: cable connection terminal
The 202:PC stube cable
Embodiment
With reference to the accompanying drawings, describe useful embodiment of the present invention in detail.
At first it should be noted that giving to the inscape of each accompanying drawing aspect the reference marks,,, also given identical symbol as far as possible even be shown in the different accompanying drawings for identical inscape.
In addition, in following explanation, concrete numerous specific details such as treatment scheme have been shown, so that more fully understand the present invention.Do not having under the situation of these specific details, the present invention still can implement, and this is that to have this technical field Chang Shizhe self-explantory.
And, think well-known function and the formation that may obscure main idea of the present invention for judgement, omitted detailed description thereof.
Fig. 1 is the exemplary plot of distribution that shows the connector of each port that distributes in the multiple level converter of mobile communication terminal of the present invention, as shown in the figure, the port connector (J1) that is distributing and be used to connect mobile communication terminal in the one side, in its opposite side, each UART1 connector (J3), UART2 connector (J2) and USB connector (J4) are distributing, distributing hands-free device with connector (J6) be used for the connector (J5) of input DC power at opposite side, its opposite side JTAG connector (J7) that distributing.
Certainly, as above the connector distributed architecture may change because of the difference of device manufacturer, can also add various switches (power switch, reset switch etc.) or pilot lamp (Indication Lamp) again.
Fig. 2 shows to connect the circuit that the required detailed circuit of above-mentioned each port shown in Figure 1 constitutes that as shown in the figure, UART1 port and USB port can directly be connected with the respective needle of mobile communication terminal.
And UART2 port and hands-free device (TA/HF) port with the shared same pin of jtag port, can make some ports (jtag port or " UART2+TA/HF ") be connected with respective needle by switching part 100 selectively.
Above-mentioned switching part 100 is used for when electric wire inserts the JTAG connector, switch to " JTAG " port from " UART2+TA/HF " port, No. 8 pins (PIN) of above-mentioned JTAG cable are on PC one side joint ground, therefore, when inserting the JTAG cable, before inserting, the JTAG cable, finishes change action once to the automatic ground connection of switch (Ground) of 3V (HIGH) pull-up (PULL UP).
That is, when in the JTAG connector, inserting the JTAG cable,,, then can use UART1, USB, UART2, TA/HF port if remove the JTAG cable just can use UART1, USB, jtag port.
And, in order to drive above-mentioned UART1 and UART2 port, inside also comprise UART (
) drive division 101,102.
Fig. 3 shows the monnolithic case of data cable module of the present invention and the exemplary plot of structure, as shown in the figure, with multiple level converter fuselage 200 of the present invention is the center, and two ends are respectively in conjunction with each cable connection terminal 201 and " USB+UART1+UART2 " cable 202 that is used to be connected PC.
Fig. 4 is the amplification exemplary plot of " USB+UART1+UART2 " cable of connection multiple level converter fuselage shown in Figure 3 and PC, Fig. 5 is the exemplary plot that shows the printed circuit board (PCB) of above-mentioned multiple level converter fuselage shown in Figure 3, and Fig. 6 is the enlarged drawing of the cable of above-mentioned connection multiple level converter fuselage shown in Figure 3 and terminal.
As shown in Figure 4, the connector that is used to connect the cable of multiple level converter fuselage is that the UART2 port of the UART1 port of 9 pins and 3 pins is combined, and makes the connector of 12 pins, and USB port is made the connector of 5 pins, is connected in fuselage.Certainly, the connector that is connected to PC is D-SUB type or the USB connector that shows original regulation defined, though whole cable length need not special qualification, if length is long, therefore the influence that may be interfered needs suitably to regulate.
As shown in Figure 5, according to the cable type that will be connected in the multiple level converter fuselage, the connector corresponding with the appropriate intervals distribution shape, that the pin number is identical is so that can combine with cable at an easy rate.
As shown in Figure 6, the communication port of mobile communication terminal is made of 24 pins, and therefore, the connector that be connected in the multiple level converter fuselage also utilizes 2 12 needle connectors to constitute.Certainly, above-mentioned connector can substitute with pin number and variform connector because of the difference of device manufacturer.
Fig. 7 be with multiple level converter of the present invention each at the signal specification table of answering, the row of left side TTA specification by name are meant the signal specification based on domestic standard, and two row on right side are meant selections (UART1+USB+JTAG) or (UART1+UART2+Hands-Free+USB) each corresponding signal specification during the function use.It demonstrates to using multiple function to carry out optimized faller gill row to greatest extent.
In the common pin that uses, the TTA specification is with selection 1 and select 2 to use different pins, sees following table 1 for details in above-mentioned Fig. 7.
Wherein, select 1 to be the pin of UART Universal Asynchronous Receiver Transmitter 1+ USB (universal serial bus)+JTAG; Select 2 to be the pin of UART Universal Asynchronous Receiver Transmitter 1+ USB (universal serial bus)+UART Universal Asynchronous Receiver Transmitter 2+Hands-Free.
[table 1]
| #PIN | The TTA specification | Select 1 | Select 2 |
| 1 | BATTERY ID (going into) | VREG_MSMP_2.6V (going out) | UART2_TXD (going out) |
| 2 | HANDS-FREE MODE (going into) | RESIN_N (going into) | HF (going into) |
| 3 | DSR (going out) | JTAG_TRST_N (going into) | UART2_RXD (going into) |
| 6 | ON SWITCH (going into) | JTAG_PS_HOLD (going into)/ON_SW | ON_SW (going into) |
| 7 | AUDIO IN (going into)/PCM RX (going into) | JTAG_TDI (going into) | AUX_PCM_DIN |
| 8 | OPTION/PCM CLOCK (going out) | JTAG_TCK (going into) | AUX_PCM_CLK |
| 9 | OPTION/PCM SYNC (going out) | JTAG_TMS (going into) | AUX_PCM_SYNC |
| 11 | AUDIO OUT/PCM TX (going out) | JTAG_TDO (going out) | AUX_PCM_DOUT |
| 18 | RI (going out) | JTAG_RTCK (going out) | UART1_RI (going out) |
When the signal specification based on domestic standard is BATTERY ID (going into), the corresponding signal specification when selecting 1 function to use is VREG_MSMP_2.6V (going out), and the corresponding signal specification when selecting 2 functions to use is UART2_TXD (going out);
When the signal specification based on domestic standard is HANDS-FREE MODE (going into), the corresponding signal specification when selecting 1 function to use is RESIN_N (going into), and the corresponding signal specification when selecting 2 functions to use is HF (going into);
When the signal specification based on domestic standard is DSR (going out), the corresponding signal specification when selecting 1 function to use is JTAG_TRST_N (going into), and the corresponding signal specification when selecting 2 functions to use is UART2_RXD (going into);
When the signal specification based on domestic standard is ON SWITCH (going into), the corresponding signal specification when selecting 1 function to use is JTAG_PS_HOLD (going into)/ON_SW, and the corresponding signal specification when selecting 2 functions to use is ON_SW (going into);
When the signal specification based on domestic standard is AUDIO IN (going into)/PCM RX (going into), the corresponding signal specification when selecting 1 function to use is AUX_PCM_DIN as JTAG_TDI (going into), the corresponding signal specification when selecting 2 functions to use;
When the signal specification based on domestic standard is OPTION/PCM CLOCK (going out), the corresponding signal specification when selecting 1 function to use is AUX_PCM_CLK as JTAG_TCK (going into), the corresponding signal specification when selecting 2 functions to use;
When the signal specification based on domestic standard is OPTION/PCM SYNC (going out), the corresponding signal specification when selecting 1 function to use is AUX_PCM_SYNC as JTAG_TMS (going into), the corresponding signal specification when selecting 2 functions to use;
When the signal specification based on domestic standard is AUDIO OUT/PCM TX (going out), the corresponding signal specification when selecting 1 function to use is AUX_PCM_DOUT as JTAG_TDO (going out), the corresponding signal specification when selecting 2 functions to use;
When the signal specification based on domestic standard is RI (going out), the corresponding signal specification when selecting 1 function to use is JTAG_RTCK (going out), and the corresponding signal specification when selecting 2 functions to use is UART1_RI (going out).
At this moment, part and parcel is that it automaticallyes switch, and can use two kinds of major functions shown in Figure 7 more expediently with reference to the switching part 100 of Fig. 2 explanation, that is, and and selection 1 and selection 2.
That is, when inserting the JTAG cable, use automatically and select 1, when removing the JTAG cable, can use and select 2.
Above-mentioned Fig. 7 is the chart of selection 1 and each function of selection 2 under this blocked operation, selects the functions of use of 1 (UART1+USB+JTAG) as follows, and UART1 can be altered to from 9 gauge shown in Fig. 8 a and use 7 gauge shown in Fig. 8 b.
Select the functions of use of 2 (UART1+UART2+Hands-Free+USB) as follows, UART1 can be altered to from 9 gauge shown in Fig. 8 a and use 7 gauge shown in Fig. 8 b, UART2 can realize that the simple form 3 line cables shown in Fig. 8 c connect, and can utilize hands-free device connector (J6), use hands-free device.
Fig. 9 is that the function of the multiple level converter of mobile communication terminal of the present invention constitutes block diagram, as shown in the figure, UART1 port and USB port directly are connected with the communication port of mobile communication terminal, UART2 port and hands-free device (TA/HF) port is by switching part (analog switch), with the shared same pin of jtag port, can use some ports (jtag port or " UART2+TA/HF ") according to the selection of this switching part.
In sum, the multiple level converter of mobile communication terminal of the present invention has following effect,, supports the multiple port of JTAG, RS-232 (UART) and USB that is, can realize high-speed data communication by multiple interface between PC and mobile communication terminal.
In addition, the present invention also has following effect, that is, when the usability of later mobile communication terminal increases, still can directly use, and therefore, developer and user can use expediently, improve its efficiency.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (7)
1. the multiple level converter of a mobile communication terminal is characterized in that:
UART Universal Asynchronous Receiver Transmitter 1 port and USB (universal serial bus) port directly are connected with the communication port of mobile communication terminal;
UART Universal Asynchronous Receiver Transmitter 2 ports and hands-free device port are by switching part and the shared same pin of combined testing action group port;
Can use combined testing action group's port or described " UART Universal Asynchronous Receiver Transmitter 2 and hands-free device " port according to the selection of described switching part;
When the signal specification based on domestic standard is BATTERY ID (going into), corresponding signal specification when selecting combined testing action group port to use is VREG_MSMP_2.6V (going out), selects " UART Universal Asynchronous Receiver Transmitter 2 and hands-free device " corresponding signal specification when port uses to be UART2_TXD (going out);
When the signal specification based on domestic standard is HANDS-FREE MODE (going into), corresponding signal specification when selecting combined testing action group port to use is RESIN_N (going into), selects " UART Universal Asynchronous Receiver Transmitter 2 and hands-free device " corresponding signal specification when port uses to be HF (going into);
When the signal specification based on domestic standard is DSR (going out), corresponding signal specification when selecting combined testing action group port to use is JTAG_TRST_N (going into), selects " UART Universal Asynchronous Receiver Transmitter 2 and hands-free device " corresponding signal specification when port uses to be UART2_RXD (going into);
When the signal specification based on domestic standard is ON SWITCH (going into), corresponding signal specification when selecting combined testing action group port to use is JTAG_PS_HOLD (going into)/ON_SW, selects " UART Universal Asynchronous Receiver Transmitter 2 and hands-free device " corresponding signal specification when port uses to be ON_SW (going into);
When the signal specification based on domestic standard is AUDIO IN (going into)/PCM RX (going into), corresponding signal specification when selecting combined testing action group port to use is JTAG_TDI (going into), selects " UART Universal Asynchronous Receiver Transmitter 2 and hands-free device " corresponding signal specification when port uses to be AUX_PCM_DIN;
When the signal specification based on domestic standard is OPTION/PCM CLOCK (going out), corresponding signal specification when selecting combined testing action group port to use is JTAG_TCK (going into), selects " UART Universal Asynchronous Receiver Transmitter 2 and hands-free device " corresponding signal specification when port uses to be AUX_PCM_CLK;
When the signal specification based on domestic standard is OPTION/PCM SYNC (going out), corresponding signal specification when selecting combined testing action group port to use is JTAG_TMS (going into), selects " UART Universal Asynchronous Receiver Transmitter 2 and hands-free device " corresponding signal specification when port uses to be AUX_PCM_SYNC;
When the signal specification based on domestic standard is AUDIO OUT/PCM TX (going out), corresponding signal specification when selecting combined testing action group port to use is JTAG_TDO (going out), selects " UART Universal Asynchronous Receiver Transmitter 2 and hands-free device " corresponding signal specification when port uses to be AUX_PCM_DOUT.
2. the multiple level converter of mobile communication terminal according to claim 1, it is characterized in that: when the combined testing action panel cable inserted, described switching part switched to combined testing action group port from described " UART Universal Asynchronous Receiver Transmitter 2 and hands-free device " port.
3. the multiple level converter of mobile communication terminal according to claim 1 and 2, it is characterized in that: described switching part utilizes No. 8 pin ground connection of combined testing action panel cable, when inserting the combined testing action panel cable, the automatic ground connection of switch of Ceng Laqi was finished change action simultaneously before the combined testing action panel cable was inserted.
4. the multiple level converter of mobile communication terminal according to claim 1 is characterized in that: in order to drive described UART Universal Asynchronous Receiver Transmitter 1 and UART Universal Asynchronous Receiver Transmitter 2 ports, also comprise the UART Universal Asynchronous Receiver Transmitter drive division in inside.
5. the multiple level converter of mobile communication terminal according to claim 1, it is characterized in that: the cable connector that is connected in described multiple level converter fuselage is that UART Universal Asynchronous Receiver Transmitter 2 ports of UART Universal Asynchronous Receiver Transmitter 1 port of 9 pins and 3 pins are combined, make the connector of 12 pins, USB (universal serial bus) port is made of the connector of 5 pins, and the cable connector that connects PC is made of D-SUB type or universal serial bus connector.
6. the multiple level converter of mobile communication terminal according to claim 1, it is characterized in that: in described multiple level converter fuselage, in combined testing action group and UART Universal Asynchronous Receiver Transmitter 2, the common pin that uses of hands-free device port, select 1 because of the selection of switching part is converted to, select the specification of 2 pin to be provided with by following content
Wherein, select 1 to be the pin of UART Universal Asynchronous Receiver Transmitter 1+ USB (universal serial bus)+combined testing action group; Select 2 to be the pin of UART Universal Asynchronous Receiver Transmitter 1+ USB (universal serial bus)+UART Universal Asynchronous Receiver Transmitter 2+ hands-free device;
When the signal specification based on domestic standard is BATTERY ID (going into), the corresponding signal specification when selecting 1 function to use is VREG_MSMP_2.6V (going out), and the corresponding signal specification when selecting 2 functions to use is UART2_TXD (going out);
When the signal specification based on domestic standard is HANDS-FREE MODE (going into), the corresponding signal specification when selecting 1 function to use is RESIN_N (going into), and the corresponding signal specification when selecting 2 functions to use is HF (going into);
When the signal specification based on domestic standard is DSR (going out), the corresponding signal specification when selecting 1 function to use is JTAG_TRST_N (going into), and the corresponding signal specification when selecting 2 functions to use is UART2_RXD (going into);
When the signal specification based on domestic standard is ON SWITCH (going into), the corresponding signal specification when selecting 1 function to use is JTAG_PS_HOLD (going into)/ON_SW, and the corresponding signal specification when selecting 2 functions to use is ON_SW (going into);
When the signal specification based on domestic standard is AUDIO IN (going into)/PCM RX (going into), the corresponding signal specification when selecting 1 function to use is AUX_PCM_DIN as JTAG_TDI (going into), the corresponding signal specification when selecting 2 functions to use;
When the signal specification based on domestic standard is OPTION/PCM CLOCK (going out), the corresponding signal specification when selecting 1 function to use is AUX_PCM_CLK as JTAG_TCK (going into), the corresponding signal specification when selecting 2 functions to use;
When the signal specification based on domestic standard is OPTION/PCM SYNC (going out), the corresponding signal specification when selecting 1 function to use is AUX_PCM_SYNC as JTAG_TMS (going into), the corresponding signal specification when selecting 2 functions to use;
When the signal specification based on domestic standard is AUDIO OUT/PCM TX (going out), the corresponding signal specification when selecting 1 function to use is AUX_PCM_DOUT as JTAG_TDO (going out), the corresponding signal specification when selecting 2 functions to use;
When the signal specification based on domestic standard is RI (going out), the corresponding signal specification when selecting 1 function to use is JTAG_RTCK (going out), and the corresponding signal specification when selecting 2 functions to use is UART1_RI (going out).
7. the multiple level converter of mobile communication terminal according to claim 1, it is characterized in that: described switching part is an analog switch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050014683 | 2005-02-22 | ||
| KR1020050014683A KR100619988B1 (en) | 2005-02-22 | 2005-02-22 | Multiple level transceiver for mobile communication device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1825251A CN1825251A (en) | 2006-08-30 |
| CN100547521C true CN100547521C (en) | 2009-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510104887XA Expired - Fee Related CN100547521C (en) | 2005-02-22 | 2005-09-23 | The multiple level converter of mobile communication terminal |
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| KR (1) | KR100619988B1 (en) |
| CN (1) | CN100547521C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2456133B1 (en) * | 2010-11-19 | 2014-07-16 | Siemens Aktiengesellschaft | Modular switch network nodes for a communication network |
| CN106980590A (en) * | 2017-02-24 | 2017-07-25 | 上海与德信息技术有限公司 | Terminal device, connector control method and device |
| KR20200091062A (en) | 2019-01-21 | 2020-07-30 | 삼성디스플레이 주식회사 | Display device and driving method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2375273B (en) | 2001-04-30 | 2004-07-07 | Nokia Mobile Phones Ltd | Communication interface for an electronic device |
| KR100548360B1 (en) * | 2003-06-28 | 2006-02-02 | 엘지전자 주식회사 | Debugging apparatus for mobile phone |
| JP2005033322A (en) | 2003-07-08 | 2005-02-03 | Alps Electric Co Ltd | Radio network module |
| KR20050039955A (en) * | 2003-10-27 | 2005-05-03 | 주식회사 팬택앤큐리텔 | Mobile communication terminal having a interface structure for both uart and jtag |
| KR100606717B1 (en) * | 2004-04-27 | 2006-08-01 | 엘지전자 주식회사 | A Dual UART circuit for a mobile telecommunication device |
| KR100641228B1 (en) * | 2004-12-16 | 2006-11-02 | 엘지전자 주식회사 | Apparatus and structure of controlling multi0connector for mobile phone |
-
2005
- 2005-02-22 KR KR1020050014683A patent/KR100619988B1/en not_active IP Right Cessation
- 2005-09-23 CN CNB200510104887XA patent/CN100547521C/en not_active Expired - Fee Related
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| CN1825251A (en) | 2006-08-30 |
| KR100619988B1 (en) | 2006-09-11 |
| KR20060093591A (en) | 2006-08-25 |
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