Data Sheet
     Smart Machine Smart Decision 
SIM800F_Hardware Design_V1.00 6   2015-07-31 
Table Index 
TABLE 1: SIM800F KEY FEATURES............................................................................................................................ 11 
TABLE 2: CODING SCHEMES AND MAXIMUM NET DATA RATES OVER AIR INTERFACE ............................ 13 
TABLE 3: OVERVIEW OF OPERATING MODES........................................................................................................ 13 
TABLE 4: PIN DESCRIPTION ....................................................................................................................................... 16 
TABLE 5: RECOMMENDED ZENER DIODE .............................................................................................................. 21 
TABLE 6: ELECTRONIC CHARACTERISTIC OF THE RESET PIN.......................................................................... 26 
TABLE 7: CURRENT CONSUMPTION OF MINIMUM FUNCTIONALITY MODE................................................. 27 
TABLE 8: SERIAL PORT AND USB PIN DEFINITION............................................................................................... 29 
TABLE 9: SERIAL PORT CHARACTERISTICS........................................................................................................... 29 
TABLE 10: VBUS CHARACTERISTICS....................................................................................................................... 32 
TABLE 11: RI BEHAVIORS ........................................................................................................................................... 33 
TABLE 12: AUDIO INTERFACE DEFINITION............................................................................................................ 34 
TABLE 13: MICROPHONE INPUT CHARACTERISTICS........................................................................................... 36 
TABLE 14: AUDIO OUTPUT CHARACTERISTICS .................................................................................................... 36 
TABLE 15: SIM PIN DEFINITION................................................................................................................................. 37 
TABLE 16: PIN DESCRIPTION (MOLEX SIM CARD HOLDER) .............................................................................. 38 
TABLE 17: PIN DESCRIPTION (AMPHENOL SIM CARD HOLDER)....................................................................... 39 
TABLE 18: PIN DEFINITION OF DISP INTERFACE................................................................................................... 40 
TABLE 19: DISP MULTIPLEXING FUNCTION........................................................................................................... 40 
TABLE 20: PIN DEFINITION OF THE KEYPAD INTERFACE................................................................................... 40 
TABLE 21: PIN DEFINITION OF THE GPIO................................................................................................................ 41 
TABLE 22: GPIO11 MULTIPLEXING FUNCTION ...................................................................................................... 42 
TABLE 23: PIN DEFINITION OF UART2_RXD/TXD ................................................................................................. 42 
TABLE 24: PIN DEFINITION OF THE I2C................................................................................................................... 43 
TABLE 25: I2C MULTIPLEX FUNCTION .................................................................................................................... 43 
TABLE 26: PIN DEFINITION OF ADC ......................................................................................................................... 43 
TABLE 27: ADC SPECIFICATION ................................................................................................................................ 43 
TABLE 28: PIN DEFINITION OF THE STATUS........................................................................................................... 44 
TABLE 29: STATUS OF THE NETLIGHT PIN.............................................................................................................. 44 
TABLE 30: NETLIGHT MULTIPLEX FUNCTION....................................................................................................... 44 
TABLE 31: PIN DEFINITION OF THE STATUS........................................................................................................... 44 
TABLE 32: STATUS MULTIPLEX FUNCTION ............................................................................................................ 45 
TABLE 33: PIN DEFINITION OF THE PWM ............................................................................................................... 45 
TABLE 34: PWM OUTPUT CHARACTERISTICS ....................................................................................................... 45 
TABLE 35: PWM MULTIPLEX FUNCTION................................................................................................................. 45 
TABLE 36: PIN DEFINITION OF THE KPLED ............................................................................................................ 46 
TABLE 37: KPLED SPECIFICATION............................................................................................................................ 46 
TABLE 38: ABSOLUTE MAXIMUM RATINGS........................................................................................................... 51 
TABLE 39: RECOMMENDED OPERATING CONDITIONS ....................................................................................... 51 
TABLE 40: DIGITAL INTERFACE CHARACTERISTICS ........................................................................................... 51 
TABLE 41: SIM CARD INTERFACE CHARACTERISTICS........................................................................................ 51 
TABLE 42: SIM_VDD CHARACTERISTICS................................................................................................................ 52 
TABLE 43: VDD_EXT CHARACTERISTICS ............................................................................................................... 52 
TABLE 44: VRTC CHARACTERISTICS ....................................................................................................................... 52 
TABLE 45: CURRENT CONSUMPTION ...................................................................................................................... 53 










