User's Manual

Smart Machine Smart Decision
SIM5320AD EVB User Guide 02.04.2011
13
Table 6: USB interface
Pin Signal I/O Description
1 USB_VBUS I 5V
2 USB_DM I/O D+ line
3 USB_ DP I/O D- line
4 GND Ground
4.7 Switch interface
Figure 10: Switch Interface
Table 7: Switch interface
Switch Signal I/O Description
1 RS232 chip SHUTDOWN I UART switch
2 GPIO4 I RF switch (S301)
ON : Normal mode
OFF : Flight mode
3 RESET I Reset the module
4 PWRER_ON I Power on the module