CN102801450B - Short-distance communication transceiver device - Google Patents
Short-distance communication transceiver device Download PDFInfo
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- CN102801450B CN102801450B CN201210022468.1A CN201210022468A CN102801450B CN 102801450 B CN102801450 B CN 102801450B CN 201210022468 A CN201210022468 A CN 201210022468A CN 102801450 B CN102801450 B CN 102801450B
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Abstract
The invention relates to a short-distance communication transceiver device, which comprises an NFC (Near Field Communication) antenna modem, an SWP (Single Wire Protocol) processor, a power supply unit; as well as two pins connected with a short-distance communication front end, wherein the first pin is respectively connected with the NFC antenna modem and the SWP processor, and the second pin is respectively connected with the NFC antenna modem and the power supple unit; and the short-distance communication front end is an RF antenna or an SWP protocol interface or an SWP power supply end of short-distance communication. The short-distance communication transceiver device provided by the invention has the advantages that the device can adapt to two types of interfaces at the same time, and effectively combine two sets of schemes, and thus the development cost of one set is saved, and the development and production cost of the short-distance communication transceiver is greatly reduced.
Description
Technical field
The present invention relates to a kind of short-haul connections R-T unit, is the short-haul connections R-T unit based on SD interface protocol, belongs to the communicator technical field of mobile communication short-haul connections.
Background technology
Short-haul connections mode for mobile payment and contactless authentication mainly contains two kinds with relevant device: the first is to be directly connected with RF antenna, the second is to connect after converting Digital Logic to by short-haul connections chip again, and the exemplary interface of this second way is SWP agreement.At present, only has on the market the short-range communication technology scheme that realizes respectively these two kinds of connected modes, to with the supplier of this two classes solution, need to manufacture two kinds of devices, and in the time that the form of this device is chip, manufacturer must design two cover chip moulds, i.e. GDSII file transfers to chip foundries to produce.Due to the chip mould of above-mentioned prior art and the expense of packaging and testing huge, make the application of short-haul connections R-T unit be subject to obstacle.
Summary of the invention
This bright object is, overcoming prior art is to realize conventional on the market RF antenna function, but need to provide two sets of plan, and the development cost of two sets of plan and associated chip is huge, the shortcoming that cost is high, provides the short-haul connections R-T unit of a kind of simultaneous adaptation RF antenna and SWP agreement, two kinds of interfaces of energy simultaneous adaptation, effectively two sets of plan is combined, save a set of development cost, significantly reduce research and development and the production cost of short-haul connections R-T unit.
Technical scheme of the present invention is: a kind of short-haul connections R-T unit, and it comprises:
A NFC days line modem, for by RF antenna reception to high-frequency signal convert the inner baseband signal using to, or convert inner baseband signal to high-frequency signal and transfer to RF antenna to send;
A SWP protocol processor, for realize that SWP consensus standard defines from apparatus function;
A dispensing unit, for configuring the mode of operation of short-haul connections R-T unit, decision is to communicate by letter with RF antenna communication or SWP protocol interface;
A power subsystem;
Also have two for the connected pin of same short-haul connections front end, wherein the first pin is connected with NFC days line modems and SWP protocol processor respectively, and the second pin is connected with NFC days line modems and power subsystem respectively; Described short-haul connections front end is RF antenna, or the SWP protocol interface of short-haul connections and SWP feeder ear.
Above-mentioned short-haul connections R-T unit, its NFC days line modem, SWP protocol processor and dispensing unit and power subsystem are embedded in the storage card that meets SD interface.
Above-mentioned short-haul connections R-T unit, in the time being connected with RF antenna, operating frequency is 13.56MHz.
Above-mentioned short-haul connections R-T unit, described power subsystem is while being operated in RF antenna connected mode, obtains the device of electric energy from RF antenna.
Above-mentioned short-haul connections R-T unit, in the time being connected with SWP interface, from device work, meets the S2 signal definition in SWP consensus standard as SWP.
Above-mentioned short-haul connections R-T unit, its dispensing unit is the dispensing unit that reads feature field, according to the different value of the field reading, decision is to adopt the processing mode connecting towards antenna, or the processing mode connecting towards SWP.
Above-mentioned short-haul connections R-T unit, its dispensing unit is the dispensing unit that reads level, deciding according to the varying level value reading is to adopt the processing mode connecting towards antenna, or the processing mode connecting towards SWP.
Above-mentioned short-haul connections R-T unit, its dispensing unit is a dispensing unit that can check signal on the first pin and the second pin, by checking, judge that current what be connected with short-haul connections R-T unit is RF antenna or SWP interface, judged result is preserved, and determine subsequently the working method of short-haul connections R-T unit according to judged result.
Brief description of the drawings
Fig. 1 is two kinds of connected mode schematic diagrames of short-haul connections R-T unit of the present invention;
Fig. 2 is the chief component structural representation of short-haul connections R-T unit of the present invention;
Fig. 3 is the structured flowchart that short-haul connections R-T unit use characteristic field of the present invention is configured;
Fig. 4 is the structured flowchart that short-haul connections R-T unit of the present invention uses inner level signal to be configured;
Fig. 5 is that short-haul connections R-T unit of the present invention uses from master mode, sets the structured flowchart that feature field is configured.
In Fig. 1: 1,2,3,4,5,6,7,8 is respectively the pin number defining in SD interface standard, 9 is the first pin number of short-haul connections R-T unit of the present invention, the 10 second pin numbers that are short-haul connections R-T unit of the present invention; Or 10 is the first pin number of short-haul connections R-T unit of the present invention, the 9 second pin numbers that are short-haul connections R-T unit of the present invention.In Fig. 1, Fig. 4, VCC is power pins, and GND is grounding pin.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.The storage card of all support SD interface protocols is described with TF card in embodiment.
embodiment 1:
A basic embodiment.As shown in Figure 1, 2, 3, a kind of short-haul connections R-T unit, it is a short-haul connections R-T unit based on SD interface protocol, it has a NFC days line modem, for by RF antenna reception to high-frequency signal convert the inner baseband signal using to, or convert inner baseband signal to high-frequency signal and transfer to RF antenna to send; A SWP protocol processor, for realize that SWP consensus standard defines from apparatus function; A dispensing unit, for configuring the mode of operation of short-haul connections R-T unit, decision is to communicate by letter with RF antenna communication or SWP protocol interface; A power subsystem; Also have two for the connected pin of same short-haul connections front end, wherein the first pin is connected with NFC days line modems and SWP protocol processor respectively, and the second pin is connected with NFC days line modems and power subsystem respectively; Described short-haul connections front end is RF antenna, or the SWP protocol interface of short-haul connections and SWP feeder ear.Described NFC days line modem, SWP protocol processor and dispensing unit and power subsystem are embedded in the storage card that meets SD interface, according to the configuration of dispensing unit, in the time that short-haul connections R-T unit is connected with RF antenna, the high-frequency signal of reception is extracted digital information (demodulating process) by this modulator-demodulator, and obtain electric energy for whole short-haul connections R-T unit; This modulator-demodulator also can be by digital information to be sent, converts the high-frequency information that operating frequency is 13.56MHz to, sends (modulated process) by RF antenna; Described power subsystem is while being operated in RF antenna connected mode, obtains the device of electric energy from RF antenna.Described SWP protocol processor is the configuration according to dispensing unit, and in the time that R-T unit is connected with SWP protocol interface, this processor parses digital information according to SWP agreement from the line of SWP, or digital information is sent according to SWP agreement.The present embodiment short-haul connections R-T unit, its NFC days line modem, SWP protocol processor, dispensing unit, power subsystem is embedded in a TF card.In the time that short-haul connections R-T unit is connected with RF antenna, operating frequency is 13.56MHz.In the time that short-haul connections R-T unit is connected with SWP interface, from device work, meet the S2 signal definition in SWP consensus standard as SWP.As shown in Figure 3, its dispensing unit of short-haul connections R-T unit is the dispensing unit that reads feature field, and according to the different value of the field reading, decision is to adopt the processing mode connecting towards antenna, or the processing mode connecting towards SWP.In the present embodiment, the inner memory cell (or opening up a block space in existing memory space) that increases of R-T unit, storage feature field, as 0 expression antenna operating mode, 1 represents SWP mode of operation.When the work of short-haul connections R-T unit, according to this field value, determine self mode of operation; If 0, enable NFC days line modems, forbidding SWP protocol processor; If 1, forbidding day line modem, and enable SWP protocol processor.
embodiment 2:
As shown in Figure 4, l is different from above-described embodiment, and its dispensing unit is the dispensing unit that reads level, and deciding according to the varying level value reading is to adopt the processing mode connecting towards antenna, or the processing mode connecting towards SWP.For the short-haul connections R-T unit being configured by level signal.In the present embodiment, level signal is provided by certain pin, and this pin connects definite level value in the time being encapsulated into TF card inside, sets the mode of operation of short-haul connections R-T unit.
embodiment 3:
As shown in Figure 5, different from above-described embodiment l is, dispensing unit is a dispensing unit that can check the signal on the first pin 9 and the second pin 10, by checking, judge that current what be connected with short-haul connections R-T unit is RF antenna or SWP interface, judged result is preserved, and determine subsequently the working method of short-haul connections R-T unit according to judged result.Short-haul connections R-T unit independently judges work at present mode, according to the setting of judged result amendment dispensing unit, after judgement finishes according to the overall work pattern that determines short-haul connections R-T unit that arranges in dispensing unit.In this embodiment, dispensing unit is feature field, different from embodiment mono-, and the feature field in the present embodiment is independently set by R-T unit, instead of presets as embodiment mono-.It should be noted that, this mode of the present embodiment use characteristic field and power subsystem, just a kind of mode of mode of operation is set in the autonomous judgement of explanation, for using other dispensing units or judge operate outside mode but still be the adaptive approach of autonomous judgement setting, should be within the present invention comprises scope.
In the present embodiment, power subsystem is first in adaptive model, when detecting while having level change on the first pin 9 and the second pin 10, voltage on the second pin 10 is sampled, if the magnitude of voltage of at least 3 sub-samplings all in the admissible error of operating voltage, thinks that the second pin pin 10 is power supply pin, be operated at present SWP agreement connected mode, feature field is written as to 1, otherwise is operated in the direct-connected mode of RF antenna, feature field is written as to 0.Power subsystem departs from adaptive model subsequently, enters the mode of operation corresponding with connected mode, and in RF R-T unit, each module keeps starting state or enters disabled status according to connected mode simultaneously.
Claim protection range of the present invention is not limited to above-described embodiment.
Claims (7)
1. a short-haul connections R-T unit, is characterized in that, it comprises:
A NFC days line modem, for by RF antenna reception to high-frequency signal convert the inner baseband signal using to, or convert inner baseband signal to high-frequency signal and transfer to RF antenna to send;
A SWP protocol processor, for realize that SWP consensus standard defines from apparatus function;
A dispensing unit, for configuring the mode of operation of short-haul connections R-T unit, decision is to communicate by letter with RF antenna communication or SWP protocol interface;
A power subsystem;
Also have two for the connected pin of same short-haul connections front end, wherein the first pin is connected with NFC days line modems and SWP protocol processor respectively, and the second pin is connected with NFC days line modems and power subsystem respectively; Described short-haul connections front end is RF antenna, or the SWP protocol interface of short-haul connections and SWP feeder ear;
Described short-haul connections R-T unit, in the time being connected with SWP interface, from device work, meets the S2 signal definition in SWP consensus standard as SWP.
2. short-haul connections R-T unit according to claim 1, is characterized in that, described NFC days line modem, and SWP protocol processor and dispensing unit and power subsystem are embedded in the storage card that meets SD interface.
3. short-haul connections R-T unit according to claim 1, is characterized in that, in the time being connected with RF antenna, operating frequency is 13.56MHz.
4. short-haul connections R-T unit according to claim 1, is characterized in that, described power subsystem is while being operated in RF antenna connected mode, obtains the device of electric energy from RF antenna.
5. short-haul connections R-T unit according to claim 1, it is characterized in that, described dispensing unit is the dispensing unit that reads feature field, according to the different value of the field reading, decision is to adopt the processing mode connecting towards antenna, or the processing mode connecting towards SWP.
6. short-haul connections R-T unit according to claim 1, it is characterized in that, described dispensing unit is the dispensing unit that reads level, and deciding according to the varying level value reading is to adopt the processing mode connecting towards antenna, or the processing mode connecting towards SWP.
7. short-haul connections R-T unit according to claim 1, it is characterized in that, described dispensing unit is a dispensing unit that can check signal on the first pin and the second pin, by checking, judge that current what be connected with short-haul connections R-T unit is RF antenna or SWP interface, judged result is preserved, and determine subsequently the working method of short-haul connections R-T unit according to judged result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210022468.1A CN102801450B (en) | 2012-02-01 | 2012-02-01 | Short-distance communication transceiver device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210022468.1A CN102801450B (en) | 2012-02-01 | 2012-02-01 | Short-distance communication transceiver device |
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| Publication Number | Publication Date |
|---|---|
| CN102801450A CN102801450A (en) | 2012-11-28 |
| CN102801450B true CN102801450B (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210022468.1A Expired - Fee Related CN102801450B (en) | 2012-02-01 | 2012-02-01 | Short-distance communication transceiver device |
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| CN111591040B (en) * | 2020-06-02 | 2021-07-06 | 珠海艾派克微电子有限公司 | Consumable chip, imaging box, printing system and signal transmission method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063635A (en) * | 2010-10-15 | 2011-05-18 | 武汉天喻信息产业股份有限公司 | Multi-interface mobile payment smart card and control method thereof |
| CN102163273A (en) * | 2011-04-26 | 2011-08-24 | 武汉天喻信息产业股份有限公司 | Card reading equipment supporting SW-protocol-based mobile payment SD card |
| CN102279940A (en) * | 2011-04-06 | 2011-12-14 | 武汉天喻信息产业股份有限公司 | SD card for mobile payment on the basis of SWP protocol |
| CN202075746U (en) * | 2011-04-26 | 2011-12-14 | 武汉天喻信息产业股份有限公司 | Reading equipment supporting mobile payment secure digital (SD) card based on single wire protocol (SWP) |
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2012
- 2012-02-01 CN CN201210022468.1A patent/CN102801450B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063635A (en) * | 2010-10-15 | 2011-05-18 | 武汉天喻信息产业股份有限公司 | Multi-interface mobile payment smart card and control method thereof |
| CN102279940A (en) * | 2011-04-06 | 2011-12-14 | 武汉天喻信息产业股份有限公司 | SD card for mobile payment on the basis of SWP protocol |
| CN102163273A (en) * | 2011-04-26 | 2011-08-24 | 武汉天喻信息产业股份有限公司 | Card reading equipment supporting SW-protocol-based mobile payment SD card |
| CN202075746U (en) * | 2011-04-26 | 2011-12-14 | 武汉天喻信息产业股份有限公司 | Reading equipment supporting mobile payment secure digital (SD) card based on single wire protocol (SWP) |
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| CN102801450A (en) | 2012-11-28 |
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