Specifications

SIM7912&SIM7906 Hardware Design V1.02
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Table Index
Table 1: SIM7912 frequency bands ......................................................................................................... 10
Table 2: SIM7906 frequency bands ......................................................................................................... 11
Table 3: Key features ............................................................................................................................... 12
Table 4: IO parameters definition ............................................................................................................ 16
Table 5: DC parameters definition ........................................................................................................... 16
Table 6: Pin description ........................................................................................................................... 17
Table 7: VBAT pins electronic characteristics ......................................................................................... 26
Table 8: Recommended TVS1 list ........................................................................................................... 27
Table 9: Definition of PWRKEY pin ......................................................................................................... 29
Table 10: Power on timing and electronic characteristic ......................................................................... 30
Table 11: Power off timing and electronic characteristic ......................................................................... 31
Table 12: Definition of RESET_N pin ...................................................................................................... 32
Table 13: RESET electronic characteristics ............................................................................................ 33
Table 14: Output power management summary ..................................................................................... 33
Table 15: Definition of USB interface....................................................................................................... 34
Table 16: Definition of PCIe interface ...................................................................................................... 36
Table 17: Definition of SDIO interface ..................................................................................................... 38
Table 18: Definition of SIM interface........................................................................................................ 40
Table 19: SIM electronic characteristics in 1.8V mode (SIM_PWR=1.8V) ............................................. 40
Table 20: SIM electronic characteristics 3.0V mode (SIM_PWR=3.0V) ................................................. 41
Table 21: Recommended TVS and SIM socket list ................................................................................. 42
Table 22: The PCM interface is multiplexing with I2S interface .............................................................. 42
Table 23: PCM / I2S format ..................................................................................................................... 43
Table 24: I2S timing parameters .............................................................................................................. 44
Table 25: Definition of I2C interface ........................................................................................................ 45
Table 26: Definition of UART interface .................................................................................................... 46
Table 27: Definition of SPI interface ........................................................................................................ 48
Table 28: Definition of ADC interface ...................................................................................................... 48
Table 29: GPIO list ................................................................................................................................... 49
Table 30: Definition of network indication pins ........................................................................................ 49
Table 31: NET_STATUS pin status.......................................................................................................... 50
Table 32: Definition of W_DISABLE pin .................................................................................................. 51
Table 33: W_DISABLE pin status ............................................................................................................ 52
Table 34: Pin Definition of USB_BOOT Interface .................................................................................... 52
Table 35: PIN Definition of RFFE Interface for Antenna Tuner Control .................................................. 53
Table 36: Antenna port definitions ........................................................................................................... 54
Table 37: SIM7912 operating frequencies ............................................................................................... 54
Table 38: SIM7906 operating frequencies ............................................................................................... 55
Table 39: GNSS frequency ...................................................................................................................... 57
Table 40: 3G/4G/GNSS antennas ........................................................................................................... 60
Table 41: GNSS antenna (for dedicated GNSS antenna only)*.............................................................. 60
Table 42: Absolute maximum ratings ...................................................................................................... 62