Uart Interfaces - Quectel Smart EVB G5 User Manual

C2 USIM_RST
C3 USIM_CLK
C5 GND
C6 VPP
C7 USIM_DATA
CD1 USIM_GND
CD2 USIM_DET
NOTE
The reference circuit and pin assignment of J1002 are the same as J1001's.

UART Interfaces

Smart EVB G5 provides two UART interfaces: main UART and debug UART. The main UART interface
can be used for data transmission and AT command communication. The debug UART interface is used
for debugging.
Table 20: Description of UART Interfaces
RefDes.
J1301
J1302
The following figure shows the block diagram of the UARTs on Smart EVB G5.
Smart_EVB_G5_User_Guide
Description
Main UART for data communication
Debug UART for debugging
U(SIM) card reset
U(SIM) card clock
Ground
NC
(U)SIM card data
GND
U(SIM) card insertion detection
Smart Module Series
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