M72EVB User Guide
M72_EVB_User_Guide_V1.0
11
3.2. SIM Card Interface
1
2
3
5 6
4
Figure 5: SIM card interface
Table 3: Pins of SIM card interface
Pin
Signal
I/O
Description
1
GND
Ground
2
VPP
Not connected
3
SIM_DATA
I/O
SIM card data I/O
4
SIM_CLK
O
SIM card clock
5
SIM_RST
O
SIM card reset
6
SIM_VDD
O
Power supply from SIM card
Quectel
Confidential