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BC2102 Scheda tecnica(PDF) 6 Page - Holtek Semiconductor Inc |
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BC2102 Scheda tecnica(HTML) 6 Page - Holtek Semiconductor Inc |
6 / 15 page Rev. 1.00 6 December 21, 2016 BC2102 Sleep STATE DIN 10µs PA Out Low Transmit Valid TX Data Stop Sleep Low RF Signal tStartup tST High TX Enabled by DIN Pin State Control TheBC2102hasintegratedstatemachinesthatcontrolthestatetransitionbetweenmodes. DIN keep High & PCLK Low(>16us) Detect High edge Power off After power up VDD (Insert the battery) Power On State Normal Mode DIN LèH or PCLK HèL Copy fuse Data to register Yes No Deep Sleep Transmitting Standby & Time on Transmit Done & DIN HèL 4~32ms Timer times up Copy finish TOFF[3:0]=F & DIN LèH Check EFPGM=1 POR Procedure I2C Mode {DIN keep High & PCLK Low(>16us) Detect High edge} or I2C time out(20ms) l2C Mode State Machine when connected with MCU Power off After power up VDD (Insert the battery) Power On State Normal Mode DIN LèH or PCLK HèL Copy fuse Data to register Yes No Deep Sleep Transmitting Standby & Time on Transmit Done & DIN HèL 4~32ms Timer times up Copy finish TOFF[3:0]=F & DIN LèH Check EFPGM=1 POR Procedure State Machine when connected with Encoder Power On State Afterpower-on,perhapsbytheinsertionofabattery, iftheEFPGMbitstateishigh,theFUSEdatawillbe automaticallycopiedtothecorrespondingregisters. WhencompletedthedevicewillentertheDeepSleep ModeafteraPORdelaytime.Notethatthedevice willdirectlyentertheDeepSleepModeafteradelay timeiftheEFPGMbitislow. Normal Mode Afterapower-onresetoperation,thedeviceenters theDeepSleepMode.Datawillbetransmittedifthe DINpinispulledhighorthepulseonthePCLKpin changesfromhightolow.Whendatatransmissionis finishedandtheDINpinstatechangesfromhighto low,thedevicewillentertheStandbystateandthe Timer,whosetimeoutperiodisdeterminedbyDLY_ TOFFbitsintheCFG1register,willturnonandstart tocount.ThedevicewillreturntotheDeepSleep ModewhentheTimeroverflows.However,itshould benotedthatwhentheDLY_TOFF[3:0]bitvalueis "1111",thedevicewillstarttotransmitagainwithout enteringtheDeepSleepModeoncetheDINpinstate changesfromlowtohigh. |
Codice articolo simile - BC2102 |
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Descrizione simile - BC2102 |
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