GNSS Module Series
LC29H(AA,BA,CA,DA,EA)_EVB_User_Guide 13 / 24
Test point distribution is shown below:
J301 Pin Assignment:
TXD
GND
RXD
WI
1PPS
RESET
STDBY
SCL
32K
SDA
Table 3: J301 Pin Detailed Description
Pin Name
I/O
Description
TXD
DO
Transmits data
RXD
DI
Receives data
1PPS
DO
1 pulse per second
STDBY
DI
Standby mode control
32K
-
NC
GND
-
Ground
WI
DI
Odometer wheel-tick
RESET
DI
Resets the module
SCL
I/O
I2C serial clock
SDA
I/O
I2C serial data
