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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 3 2015-07-27
Contents
Table Index................................................................................................................... 6
Figure Index ................................................................................................................. 8
Version History.......................................................................................................... 10
1.
Introduction........................................................................................................ 11
2.
SIM800H&SIM800L Overview........................................................................ 11
2.1.
SIM800H&SIM800L.......................................................................................................... 11
2.2.
SIM800H&SIM800L Key Features.................................................................................... 11
2.3.
Operating Mode ..................................................................................................................13
2.4.
Functional Diagram.............................................................................................................14
3.
Package Information ......................................................................................... 15
3.1.
Pin Out Diagram .................................................................................................................15
3.2.
Pin Description....................................................................................................................16
3.3.
Package Dimensions ...........................................................................................................18
4.
Application Interface......................................................................................... 20
4.1.
Power Supply ......................................................................................................................20
4.1.1. Power Supply Pin................................................................................................................................ 21
4.1.2. Monitoring Power Supply ................................................................................................................... 22
4.2.
Power on/off Scenarios .......................................................................................................22
4.2.1. Power on SIM800H&SIM800L .......................................................................................................... 22
4.2.2. Power down SIM800H&SIM800L ..................................................................................................... 23
4.2.3. Reset Function..................................................................................................................................... 25
4.3.
Power Saving Mode............................................................................................................26
4.3.1. Minimum Functionality Mode ............................................................................................................ 26
4.3.2. Sleep Mode 1 (AT+CSCLK=1) .......................................................................................................... 27
4.3.3. Wake Up SIM800H&SIM800L from Sleep Mode 1 .......................................................................... 27
4.3.4. Sleep Mode 2 (AT+CSCLK=2) .......................................................................................................... 27
4.3.5. Wake Up SIM800H&SIM800L from Sleep Mode 2 .......................................................................... 27
4.4.
RTC Backup........................................................................................................................27
4.5.
Serial Port and USB Interface.............................................................................................28
4.5.1
Function of Serial Port ........................................................................................................................ 29
4.5.2
Serial Interfaces................................................................................................................................... 30
4.5.3
Debug Interface................................................................................................................................... 32
4.5.4
Software Upgrade................................................................................................................................ 33
4.6.
RI Behaviors .......................................................................................................................34
4.7.
Audio Interfaces..................................................................................................................35
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