I2C Interface - SimCom SIM5215 Hardware Design

Table 17: Amphenol USIM socket pin description
Pin Signal
C1 USIM_VDD
C2 USIM_RST
C3 USIM_CLK
C5 GND
C6 VPP
C7 USIM_DATA
3.6

I2C Interface

I2C is used to communicate with peripheral equipments and can be operated as either a transmitter or
receiver, depending on the device function. Use AT Commands "AT+CRIIC and AT+CWIIC" to read/write
register values of related peripheral equipments connected with I2C interface.
SIM5215&SIM5216_Hardware Design_V2.02
Figure 27: Amphenol SIM card socket
Description
SIM Card Power supply, it can identify automatically the
SIM Card power mode，one is 3.0V±10%, another is
1.8V±10%.
SIM Card Reset.
SIM Card Clock.
Connect to GND.
Connect to USIM_VDD
SIM Card data I/O.
37
Smart Machine Smart Decision
2012-08-31