User guide

M80 EVB User Guide
M80_EVB_User_Guide_V1.2 - 24 -
Table 8: Pins of SIM2 card interface
Pin
Signal
I/O
Description
Note
1
GND
Ground
2
VPP
Not connected
3
SIM2_DATA
I/O
SIM2 card data I/O
4
SIM2_CLK
O
SIM2 card clock
5
SIM2_RST
O
SIM2 card reset
6
SIM2_VDD
O
SIM2 card power
Table 9: Pins of SIM IC interface
Pin
Signal
I/O
Description
Note
1
GND
Ground
2
SIM2_DATA
I/O
SIM2 card data I/O
3
NC
Not connected
4
NC
Not connected
5
NC
Not connected
6
SIM2_CLK
O
SIM2 card clock
7
SIM2_RST
O
SIM2 card reset
8
SIM2_VDD
O
SIM2 card power
3.5. Antenna
In order to be compatible with different antenna connectors, M80 EVB reserves two antenna ports
for the customer’s choice. The circuit and antenna connector are shown as below.
Figure 22: Antenna circuit
Quectel
Confidential