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Smart Machine Smart DecisionBog'liq SIM800L davlat-standarti-asosida-chizmalarni-taxt-qilish, Test tayyorlanishga (2), Asbobsozlik materiallari Qirindi hosil bo’lish jarayoni, Testlar to\'plami 2021, маруза, Referat Psixologiya fanidan Mavzu Temperament va uning tiplari, Хавоканд, MInimalizm uslubining milliy uylarimizdagi muhim jihatlari, ttb 6, Исокжонов Жамшидбек 89 А 20-гурух, xx asrning 60-80-yillarida ozbekistonda suv resurslaridan foydalanish muammolari, Саволлар Коллеж учун, betlik, 55555, lira Smart Machine Smart Decision
SIM800H&SIM800L_Hardware Design_V2.02 4 2015-07-27
4.7.1. Speaker Interfaces Configuration........................................................................................................ 36
4.7.2. Microphone Interfaces Configuration ................................................................................................. 36
4.7.3. Audio Electronic Characteristic .......................................................................................................... 37
4.7.4. TDD .................................................................................................................................................... 37
4.8.
SIM Card Interface..............................................................................................................38
4.8.1. SIM Card Application ......................................................................................................................... 38
4.8.2. SIM Card Design Guide...................................................................................................................... 39
4.8.3. Design Considerations for SIM Card Holder ...................................................................................... 39
4.9.
PCM Interface.....................................................................................................................42
4.9.1. PCM Multiplexing Function ............................................................................................................... 42
4.9.2. PCM Interface ..................................................................................................................................... 43
4.9.3. LCD Display/SPI Interface ................................................................................................................. 43
4.9.4. SD Card Interface................................................................................................................................ 43
4.10.
Keypad Interface.................................................................................................................44
4.10.1.
Keypad Multiplexing Function........................................................................................................ 46
4.11.
I2C Bus ...............................................................................................................................46
4.11.1.
I2C Multiplexing Function .............................................................................................................. 47
4.12.
General Purpose Input/Output (GPIO) ...............................................................................47
4.13.
ADC ....................................................................................................................................47
4.14.
PWM ...................................................................................................................................48
4.14.1.
PWM Multiplexing Function........................................................................................................... 49
4.15.
Network Status Indication...................................................................................................49
4.15.1.
NETLIGHT Multiplexing Function................................................................................................. 50
4.16.
Operating Status Indication.................................................................................................50
4.16.1.
STATUS Multiplexing Function ...................................................................................................... 50
4.17.
LED Interface......................................................................................................................50
4.18.
RF Synchronization Signal .................................................................................................51
4.18.1.
RF_SYNC Multiplexing Function................................................................................................... 52
4.19.
Antenna Interface................................................................................................................52
4.19.1.
GSM Antenna Interface ................................................................................................................... 52
4.19.2.
Bluetooth Antenna Interface (Only SIM800H)................................................................................ 53
4.19.3.
FM Antenna Interface ...................................................................................................................... 53
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