Quectel SG368Z Series

Smart Module Series
SG368Z_Series_Hardware_Design 29 / 113
ESC
227
AI
Esc keypad
1.8 V
Active low.
MENU
222
AI
Menu keypad
1.8 V
Active low.
UART
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
DBG_TXD
374
DO
Debug UART
transmit
PMUIO2
The default baud
rate is
115200 bps.
Test points must
be reserved.
DBG_RXD
378
DI
Debug UART
receive
PMUIO2
UART3_TXD
339
DO
UART3 transmit
VCCIO5
UART3_RXD
334
DI
UART3 receive
VCCIO5
UART4_TXD
344
DO
UART4 transmit
VCCIO5
UART4_RXD
349
DI
UART4 receive
VCCIO5
UART5_TXD
332
DO
UART5 transmit
VCCIO5
UART5_RXD
331
DI
UART5 receive
VCCIO5
UART7_TXD
327
DO
UART7 transmit
VCCIO5
UART7_RXD
328
DI
UART7 receive
VCCIO5
UART8_TXD
361
DO
UART8 transmit
VCCIO5
UART8_RXD
357
DI
UART8 receive
VCCIO5
I2C Interfaces
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
I2C2_SDA
284
OD
I2C2 serial data
VCCIO6
I2C2_SCL
287
OD
I2C2 serial clock
VCCIO6
I2C3_SDA
268
OD
I2C3 serial data
VCCIO1
I2C3_SCL
273
OD
I2C3 serial clock
VCCIO1
I2C4_SDA
155
OD
I2C4 serial data
VCCIO4
I2C4_SCL
159
OD
I2C4 serial clock
VCCIO4
I2S and PDM Interfaces