HOPERF AN244 Kurumidza Kuchinja kwe Pre Stored Configuration

Summary
Ichi chinyorwa chinosuma mabasa anoratidzwa eCMT2312A nekukurumidza chinja pakati pezvirongwa zvakafanochengetwa.
Zvigadzirwa zvemhando dzakafukidzwa mugwaro rino zvinoratidzwa mutafura iri pazasi.

Tafura1. Zvigadzirwa zvemhando dzakafukidzwa mugwaro rino

Product model	Operating frequency	Modulation mode	Main basa	Configuration	Package
CMT2312A	113-960 MHz	(4) (G) FSK/OOK	transceiver	rejista	QFN24

Usati waverenga gwaro iri, zvinokurudzirwa kutanga wanzwisisa iyo CMT2310A uye ine hukama AN gwaro, kunyanya iyo Duty Cycle uye SLP mabasa eCMT2310A (unogona kuverenga AN239 "CMT2310A Automatic Transmit uye Gamuchira Basa Rekushandisa Mushandisi"). CMT2312A ishanduro yakakwidziridzwa yeCMT2310A, iyo inonyanya kuwedzera chimiro che "kukurumidza kushandura pre-yakachengetwa gadziriso". Mamwe mabasa akakosha uye nzira dzekushandisa dzakafanana neCMT2310A.

Nhanganyaya yeKukurumidza Kuchinja Pre-Akachengetwa Magadzirirwo Masevhisi

Iko kukurumidza kuchinjika kwe pre-yakachengetwa yekumisikidza basa inotsigirwa neCMT2312A inoreva kuti iyo yemukati RF controller yeCMT2312A inokurumidza kutamisa iyo yekumisikidza pre-yakachengetwa mu chip yemukati OTP kuenda kune chip rejista padanho reDMA, iyo inogona kuchengetedza vashandisi kubva kugadzirisa kero dzerejista mumwe nemumwe kuburikidza neSPI yekunze MCU. Iyo dhizaini yedhizaini yemaitiro ayo anoshanda ndeaya anotevera.

Mufananidzo1. CMT2312A Kurumidza Switch Pre-yakachengetwa Configuration Block Diagram

Tafura 1. FIFO Related Parameters

Register zita	Bit nhamba	R/W	Bit name	Tsanangudzo yebasa
Peji0 CTL_REG_8 (0x08)	6:0	W	API _ CMD < 6: 0 >	0x01: Kugadziriswa kwekutanga 0x02: Kugadziriswa kwekutanga 0x07: Kurumidza pinza Boka1 kugadzirisa 0x08: Kurumidza pinza Boka2 kumisikidzwa 0x09: Kurumidza pinza Boka3 kumisikidzwa 0x0A: Kurumidza pinza Boka4 kumisikidzwa

Register zita	Bit nhamba	R/W	Bit name	Tsanangudzo yebasa
				0x0B: Kurumidza pinza Boka5 kumisikidzwa 0x0C: Kurumidza pinza Boka6 kumisikidzwa 0x0D: Kurumidza pinza Boka7 kumisikidzwa
Peji0 CTL_REG_9 (0x14)	7	R	API _ CMD _ FLAG	API yekuraira mireza 0: API inoraira mukuita 1: API yekuraira kuuraya kwapera
	6:0	R	API _ RESP < 6: 0 >	API command execution kukosha, kureva API _ CMD < 6: 0 >

Maitiro ekushanda ekukurumidza kushandura pre-yakachengetwa zvigadziriso:

• Isa CMT2312A mu Ready mode;
• Seta iyo Boka N gadziriso inoda kuchinjirwa kuburikidza neiyo API _ CMD command;
• Mirira iyo API _ CMD murairo kuti upedze kuurayiwa;
• Inoshanda nemushandisi basa, sekuchinja Rx kana Tx nyika.

Example code yemaitiro: 

Pre-yakachengetwa Configuration yeKupisa Operation

Iyo pre-yakachengetwa kumisikidzwa yeCMT2312A inochengetwa muOTP mukati meiyo chip. Kupisa kunoda kushandiswa kwemhepo inopisa (CMOSTEK Off-line Writer) uye Munyori Configer user interface software.
Batanidza komputa yemushandisi kune yekupisa isina mhepo kuburikidza netambo ye USB, wobva wavhura iyo Munyori Configer interface, sezvaratidzwa pamufananidzo uri pazasi, uye sarudza CMT2312A.

Mushure mekudzvanya bhatani re "OK", iyo interface inoshanduka sezvinotevera. Panguva ino, mubhokisi re "Config Param", 7 nzira dzekutumira dze pre-yakachengetwa zvigadziriso dzinopihwa, uye iwe unogona kugadzirisa nekuipinza imwe neimwe nekudzvanya "Wedzera ...".

Nhamba iri pazasi inoratidza 7 seti dzezvigadziriso zvakatorwa kunze kwenyika.

Cherechedza:

1. Iyo yekumisikidzwa kwekunze haifanire kutevedzana, uye haifanire kuzadzwa, inogona kusarudzwa zvisina tsarukano. For example: Siya Group1 isina uye sarudza Group2 ~ Group7; Unogonawo kusarudza Group2 chete wosiya vamwe vasina chinhu. Nekudaro, zvinofanirwa kucherechedzwa kuti nhamba yeboka (GroupN) yekumisikidzwa kwekunze inoenderana neAPI _ CMD yekuisa parameter. Vashandisi vanofanirwa kuve nechokwadi chekuti switching configuration group inoenderana nechaiyo yemukati yakachengetwa, zvikasadaro zvinozotungamira mukukanganisa kwekugadzirisa uye chip mashandiro achave asina kujairika.
2. Bhatani reBvisa Zvese rinodzima zvese zvakaunzwa kunze kwenyika.
3. Bhatani rekuti "Enzanisa" rinoshandiswa kuti mushandisi Enzanisa zviri kunze kweiyo yapiswa chinangwa chip, uye inogona kushandiswa kuratidza kana zvakapiswa zvirimo.
4. Bhatani re "Verenga" rinopa mushandisi chinangwa chekuverenga nekuchengetedza iyo pre-yakachengetwa gadziriso yechinangwa chip.

Mushure mekurodha inodiwa yekupisa gadziriso, tinya "Dhawunirodha kuMunyori" mukona yezasi yekurudyi yechiratidziro, uye Munyori Config interface software inorongedza uye kurodha zvigadziriso zvakaunzwa kunze kwenyika kune inopisa isina mhepo. Mushure meizvozvo, iyo yekupisa isina mhepo inogona kupa isina yakazvimirira yekupisa chinangwa chip.

Cherechedza: OTP inopiswa mukati meiyo chip, saka nguva yechinangwa chip iyo yakapiswa haigone kupiswa kakawanda!

Mamiriro ekushandisa Examples

Zvinodiwa Zvekushandisa
Tichifunga kuti mamiriro emushandisi anoda izvi, uchishandisa CMT2312A semagumo ekugamuchira, chinangwa chekugamuchira chinoda kugashira kugashira kuguma kwekutumira kwezvitatu zvakasiyana. Iwo matatu akasiyana maprotocol ndeaya anotevera:

• Protocol A, kushanda frequency ndeye 433MHz, FSK modulation mode, chiyero 50kbps, frequency offset 25kHz, iyo meseji fomati ndeyotevera.
• Protocol B, inoshanda frequency ndeye 433.92 MHz, FSK modulation mode, chiyero 38.4 kbps, frequency offset 20kHz, meseji fomati ndeyotevera.
• Protocol C, kushanda frequency ndeye 438.5 MHz, FSK modulation mode, chiyero 10kbps, frequency offset 5kHz, iyo meseji fomati ndeyotevera.

Mhedzisiro yekugamuchira inodiwa kugadzira inogadziriswa yekugamuchira mabasa kune ari pamusoro apa matatu seti emaprotocol, uye inoda kuzadzisa zvinodiwa zvekushomeka kwesimba rekushandisa.

chibvumirano	Muka + Preamble	Sync Word	Payload	CRC
Protocol A	0xAA * 250Bytes	6Bytes 0xB24D2BD51234	Variable length Urefu baiti imwe chete	Ne CRC32,Polynomial: 0x04C11DB7 Mbeu = 0, mhedzisiro haina kupinduka
Protocol B	0xAA * 200Bytes	4Bytes 0x904E6715	Yakagadziriswa urefu 64Bytes	Ne CRC16, IBM (0x8005),Mbeu = 0xFFFF, mhedzisiro haina kupinduka
Protocol C	0x55 * 50Bytes	3Bytes 0x2D4BD3	Yakagadziriswa urefu 20Bytes	Uchishandisa CRC16, CCITT (0x1021),Mbeu = 0x1D0F, mhedzisiro inopindurwa

Zvinodiwa Kuongorora

In view pane zvinodiwa pamusoro apa, izvo zvinodikanwa zvakanyanya mapoinzi maviri:

1. Izvo zvinodikanwa kusangana neprotocol iyo mugamuchiri anogona kuchinjika kune matatu akasiyana marongero, saka anogamuchira anofanira kushandura uye kuteerera nekudzoka pakati pezvirongwa zvitatu zvakasiyana. Ese matatu maprotocol ane akareba akakwana mafambisirwo ekufambisa akafanana, saka mamiriro ekuvhara hwindo rekutarisisa kuona kuenderana kwemutyairi sehwaro hwekukiya imwe seti yezvirongwa.
2. Pakupedzisira, zvinotaurwa kuti zvinodiwa zvekushandiswa kwesimba zvishoma zvinosangana. Naizvozvo, pahwaro hwemaseti matatu ari pamusoro emashure-uye-kunze ekuchinja-chinja ekutarisa masystem, zvakakoshawo kusuma nguva yekuti CMT2312A iende kunorara kuti iwane imwe dhigirii rekushomeka kwesimba rekushandisa kuburikidza nebasa cycle. Iyo CMT2312A ine zvinhu zvakafanana neCMT2310A "DutyCycle + SLP" yekupedzisira-yakaderera simba musanganiswa wekushanda maitiro, zvakafanana zvinogona kuitwa muchirongwa ichi.

Zvichienderana nezviri pamusoro pezvakakosha zvinodiwa uye ongororo, iyo CMT2312A inoshanda kutevedzana kwehurongwa hwekuita sezvakaratidzwa mumufananidzo uri pazasi.

Zvinoenderana neiri pamusoro pekushanda kutevedzana, yakawedzera kusanganiswa ne "DutyCycle + SLP" yekupedzisira-yakaderera simba musanganiswa wekushanda modhi yakapihwa neCMT2312A/CMT2310A, mafambiro ekugadzirisa iyi mhinduro inonatswa sezvinotevera:

1. Flash muCMT2312A neProtocol A kumisikidzwa, kwayakagadzirirwa:
   • Gonesa iyo Rx Timer nguva yeCMT2312A (gonesa RxTime1 uye RxTime2), yakasanganiswa neiyo SLP basa (SLP modes 11 ~ 13 inogona kutariswa, uye mode 13 inosarudzwa mune iyi ex.ample).
   • Maererano neprotocol A chiyero che50kbps, chiratidzo chega chega 20us, tichifunga kuti RxTime1 hwindo rekutarisa rinogutsa 20 ~ 30 zviratidzo, seta RxTime1 = 600us; Mamiriro acho anosanganisirwa kuti awedzere kuurayiwa kweRxTime2, uye nguva yasangana yekupfuura Sync Word, saka inoiswa ku50ms.
     Iyo RFPDK marongero inoratidzwa mune iyo skrini pazasi (zvishoma).
2. Protocol A yekuteerera inoitwa kusvika nguva yekuteerera yapera kana data chaiyo yatangwa.
3. Flash muCMT2312A zvinoenderana neProtocol B kumisikidzwa, uko kugadzirisa:
   • Gonesa iyo Rx Timer nguva yeCMT2312A (gonesa RxTime1 uye RxTime2), yakasanganiswa neiyo SLP basa (SLP modes 11 ~ 13 inogona kutariswa, uye mode 13 inosarudzwa mune iyi ex.ample).
   • Maererano neprotocol B chiyero che 38.4 kbps, chiratidzo chega chega 26us, tichifunga kuti RxTime1 hwindo rekutarisa rinogutsa 20 ~ 30 zviratidzo, seta RxTime1 = 800us; Mamiriro acho anosanganisirwa kuti awedzere kuurayiwa kweRxTime2, uye nguva yasangana yekupfuura Sync Word, saka inoiswa ku50ms.
     Iyo RFPDK marongero inoratidzwa mune iyo skrini pazasi (zvishoma).
4. Kuteerera kweProtocol B kunoitwa kusvika nguva yekuteerera yapera kana kuti data chaiyo yatanga.
5. Flash muCMT2312A zvinoenderana neProtocol C kumisikidzwa, uko kugadzirisa:
   • Gonesa iyo Rx Timer nguva yeCMT2312A (gonesa RxTime1 uye RxTime2), yakasanganiswa neiyo SLP basa (unogona kufunga SLP modes 11 kusvika 13, iyi ex.ample anosarudza mode 11).
   • Maererano neprotocol C chiyero che 10kbps, chiratidzo chega chega 100us, tichifunga kuti RxTime1 hwindo rekutarisa rinogutsa 20 ~ 30 zviratidzo, seta RxTime1 = 2ms; Mamiriro acho anosanganisirwa kuti awedzere kuurayiwa kweRxTime2, uye nguva yasangana yekupfuura Sync Word, saka inoiswa ku50ms.
   • Mushure mekuteerera Protocol C, iyo CMT2312A inoda kurara kuitira kuti iwane chinangwa chekushomeka kwemagetsi. Naizvozvo, zvinodikanwa kugonesa Kurara Nguva, uye nguva yekutyaira yemaseti matatu emaprotocol ingangoita 40ms, saka tanga waisa Nguva yekurara = 35ms kuti iite kuyerera kwekushanda, uye wozowedzera optimize chaiyo yekuisa kukosha kweiyo kukosha zvinoenderana nemhedzisiro chaiyo.
     Iyo RFPDK marongero inoratidzwa mune iyo skrini pazasi (zvishoma).
6. Kuteerera kweProtocol C kunoitwa kudzamara nguva yekuteerera-yabuda kana data chaiyo yatanga.
7.  Seta CMT2312A yekurara uye kumirira kuti nguva yekurara imuke.
8. Dzokera kunhanho 1 uye tenderera kuburikidza neizvi.

Muenzaniso Kuvaka uye Kuenzanisa
Muenzaniso weCMT2312A SPI Configuration
Zvinoenderana neiyo CMT2312A SPI kumisikidzwa uye kushandura modhi yakagadzwa neboka rega rega rema paramita, iwo mascreenshots enguva uye kuyerwa nguva kwese s.tage vari sezvinotevera:

Imomo:

1. Zviyero zvenguva A1-A2 ndiyo nguva inopedzwa kupenya protocol A configuration, inenge 1ms (hardware SPI inomhanya 8MHz);
2. Zviyero zvenguva B1-B2 inguva yeRxTime1 yekuteerera protocol A, iyo yakangofanana nekuisa 600us;
3. Zviyero zvenguva C1-C2 ndiyo nguva inopedzwa kubhurasha protocol B configuration, inenge 1ms (963us);
4. Zviyero zvenguva D1-D2 inguva yeRxTime1 yekuteerera protocol B, inova yakangofanana nekuseta 800us (774us);
5. Zviyero zvenguva E1-E2 ndiyo nguva inopedzwa kubhurasha protocol C kumisikidza, inenge 1ms (962us);
6. Chikero chenguva F1-F2 inguva yeRxTime1 yekutarisisa protocol C, iyo yakangofanana nekuseta kwe2ms (1.97 ms);
7. Zviyero zvenguva G1-G2 zvinotora nguva yekurara, izvo zvakangofanana nekugadzika kwe35ms;

Nenzira iyi, kutenderera kwekutarisa kunotora anenge 41.5 ms. Zviripachena kusavimbika kuchinjika kumaseti matatu eprotocol pilots mu40ms. Kuti uve nechokwadi chekuti seti yega yega yeprotocol pilots inogona kuvhara mikana miviri yekutarisa mukati me40ms, Naizvozvo, zvinodikanwa kugadzirisa nguva yekurara mukugadziriswa kwekutarisa protocol C kubva ku35ms kusvika 27ms, sezvakaratidzwa mumufananidzo uri pasi apa.

Tarisa kuti mhedzisiro yekukonzeresa mushumo inoenderana nezvinotarisirwa, sezvakaratidzwa mumufananidzo uri pazasi (protocol yega yega inotumira 2 mapakeji uye inogamuchira ka6):

Iko kushandiswa kwesimba mune iyi modhi kwakaedzwa kuve 1.83 mA, sezvakaratidzwa mumufananidzo uri pazasi:

Review kushanda kwesimba rekushandisa, sezvinotsanangurwa muCMT2312A dhetabheti,

• Yakajairika kukosha ikozvino mu Ready state ndeye 2.1mA, uye muRFS state i7.8mA. Iyo yakazara nguva yekumisikidzwa uye shanduko yehurumende ingangoita 1ms, ne70% iri yekumisikidza uye muReady state, uye 30% muRFS state (yakayerwa kuyerwa ne logic analyzer).
• Iko kukosha kwazvino muRx state ndeye 13.6 mA, uye huwandu hwenguva muRx ndeiyi: 0.6 ms + 0.8 ms + 2ms = 3.4 ms.
• Mumamiriro ekurara, ikozvino iri pasi pe1uA, iyo inogona kuregererwa. Nguva yekurara ingangoita 27ms, uye nguva yekutenderera imwe ndeye 33.6 ms (zvichienderana nekuyerwa kwelogic analyzer)

Saka avhareji mashandisirwo emagetsi anoverengerwa se: 

Iyo yakadzikira zvishoma pane yakayerwa kukosha, asi tarisiro yekutanga inoenderana neyakayerwa mamiriro. Asi isu tinogona kuwedzera kudzikisa simba rekushandisa pahwaro hwe1.71 mA? Ehe! Iyo DC - DC basa reCMT2312A rinogona kugoneswa (zvechokwadi, iyo hardware inodawo kuitwa pasi peDC - DC inogonesa mamiriro). MuDC - DC inogonesa mode, iyo Ready ikozvino inogona kuderedzwa kubva ku2.1mA kusvika 1.9mA, iyo RFS ikozvino inogona kuderedzwa kubva 7.8mA kusvika 5.6mA, uye kugamuchira ikozvino kunogona kuderedzwa kubva 13.6mA kusvika 9.4mA. Saka, rough calculation ndeiyi inotevera:

Chiyero chaicho ndeye 1.27 mA, sezvakaratidzwa mumufananidzo uri pasi apa.

Kubva pa1.83 mA kusvika 1.27 mA, inotsigira kumuka kwe3 seti yemaprotocol, uye mhedzisiro yacho ichiri pachena. Ipapo iwe unogona kufunga kuomesa maparamendi kuOTP mukati meCMT2312A, uye nekukasira chinja pre-yakachengetwa gadziriso kuti uone kushanda kwayo.

• CMT2312A modhi yekukurumidza kushandura pre - yakachengetwa masisitimu

Usati waomesa ma parameters maererano nepamusoro pekugadzirisa, zvakakosha kugadzirisa - tune nguva yekurara. Nekuti nekukurumidza kushandura pre-yakachengetwa gadziriso inogona kuchengetedza nguva yekugadzira software paramita. Zvichienderana nekuitwa kuri pamusoro apa, iyo yakazara yekutarisa nguva yemaseti matatu emaprotocol ndeye 3.4ms (0.6 + 0.8 + 2), iyo inogutsa chinodiwa chekutarisa kaviri mukati menguva yekutyaira, kureva, 6.8ms inodiwa. Naizvozvo, zvichibva pane iyo 40ms nguva, 33.2 ms inosara. Tichifunga nezvenguva yemuganho wekuchinja kwenyika, nguva yekurara inogona kugadziridzwa kusvika 31ms. Mhedzisiro yekushandisa inoratidzwa mumufananidzo unotevera:

Kutenda kune CMT2312A yemukati DMA nhanho inoshandura pre-yakachengetwa kumisikidzwa, inochengetedza nguva yekunze MCU batch dhijitari yekumisikidza. Iyo nguva yekuchinja gadziriso yemukati inotora anenge 150us, sezvakaratidzwa mumufananidzo pazasi.

Saka avhareji yemazuva ano inoverengerwa sezvizvi:

Chiyero chaicho ndeye 1.12 mA, sezvakaratidzwa mumufananidzo uri pasi apa.

Pfupiso yekushandiswa kwesimba kwechirongwa

Scheme	Measured Power Kushandisa
Yekunze MCU switching configuration (DC-DC OFF)	1.83 mA
Yekunze MCU switching configuration (DC-DC ON)	1.27 mA
Internal pre-yakachengetwa configuration switching (DC-DC ON)	1.12 mA

Notes

1. Iri gwaro rinofungidzira kuti ese matatu eseti ezvigadziriso mukushandisa ari mune imwechete frequency bhendi, iyo inogona kudzivirira kudzokorora chip. Nekuti panguva yekutanga maitiro eCMT2312A (kana CMT2310A), iyo frequency bhendi inoshandiswa mukushandisa inoda kuverengerwa, uye calibration inosiyana kune akasiyana ma frequency mabhendi. For example, zvinoenderana nemaseti matatu ezvirongwa mune ino example, kana iyo frequency point yeimwe yezvigadziriso iri 868MHz, kungochinja dhizaini haina kukwana, uye kudzokorodza zvakare kunodiwa. Zvechokwadi, iyi ifungidziro yakanyanyisa. Zvinoenderana nemamiriro chaiwo ekushandisa, yakagadziriswa radio frequency hardware inoenderana inofanirwa kunge iri mune yakafanana frequency bhendi renji.
2. Kubva pakuongorora kwekupedzisira kweiyo example, ye pre-yakachengetwa configuration nekuchimbidza nekukurumidza, yakayerwa avhareji yekushandisa ikozvino ingangoita 1.12 mA; nepo kune yekunze MCU yekumisikidza nzira, iyo yakayerwa kukosha ingori 1.27 mA, ine optimization reshiyo inosvika gumi nemaviri%. Chikonzero chekukurumidza kuchinjika kweiyo pre-yakachengetwa gadziriso inonyanya kusiiwa kwekushandiswa kweiyo yekunze MCU kumisikidzwa. Mune example, iyo yekunze MCU inoisa iyo hardware SPI kune kumhanya kwe8 MHz, iyo inokurumidza (yepamusoro muganho weCMT2312A ndeye 10 MHz), saka chikamu chechikamu ichi chekushandisa hachina kukwirira. Chechipiri, mune iyi example, imwe yezvigadziriso ine chiyero che10 kbps uye yekuteerera dhizaini nguva ye2 ms, iyo inomiririra chikamu chikuru chekushandiswa kwesimba. Nokudaro, kana iyo chaiyo yekushandiswa kwemamiriro ezvinhu ndeyepamusoro-yepamusoro-soro yekushanda, nguva chaiyo yekuteerera ipfupi kwazvo, uye chikamu chekushandisa chekugadzirisa izvi zvepakati zvinongedzo zvakakwirira. Zvadaro, advantage yekushandisa pre - yakachengetwa masisitimu ekukurumidza kuchinja yakatokura.

Documentation Revise Record

Tafura 34. Gwaro Rekodha Rekodha

Version Aihwa.	Chitsauko	Shandura Tsanangudzo	Date
1.0	zvose	Yekutanga vhezheni kuburitswa	2025-07-31

Contact Information

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Mibvunzo Inowanzo bvunzwa

Ndeapi mabasa makuru eCMT2312A?

Basa guru reCMT2312A is transceiver inotsigira kukurumidza kuchinja pakati pezvirongwa zvakagara zvakachengetwa.

Ndeipi iyo inoshanda frequency renji yeCMT2312A?

Iyo yekushanda frequency renji yeCMT2312A ndeye 113-960 MHz.

Ndingakurumidza sei kushandura pre-yakachengetwa masisitimu ndichishandisa CMT2312A?

Kukurumidza kushandura pre-yakachengetwa zvigadziriso uchishandisa CMT2312A, tevera maitiro ekushanda anotsanangurwa mubhuku remushandisi, izvo zvinosanganisira kuseta mudziyo muReady mode, kusarudza boka rinodiwa rekugadzirisa, kumirira kuurayiwa kwemirairo, uye kuita mashandiro emushandisi.

Zvinyorwa / Zvishandiso

HOPERF AN244 Kurumidza Kuchinja kwe Pre Stored Configuration [pdf] Bhuku reMushandisi AN244 Kukurumidza Kuchinja kwe Pre Stored Configuration, AN244, Kukurumidza Kuchinja kwe Pre Stored Configuration, Kuchinja kwe Pre Stored Configuration, Pre Stored Configuration, Stored Configuration.

References

• User Manual