GNSS Module Series
LC29H_Series_EVB_User_Guide 15 / 38
Used for WHEELTICK and FWD signals
input (only LC29H (BA, CA)). Pins are
detailed in Table 5: J402 Pin Description.
Pin description of J401 is shown below:
Table 4: J401 Pin Description
WAKEUP: Wakes up the module from
Backup mode
FWD: Forward/Backward status signal
input (only LC29H (BA, CA))
WHEELTICK: Odometer/Wheel-tick
pulse input (only LC29H (BA, CA))
D_SEL1: Selects UART1/SPI*/I2C
D_SEL2: Selects UART1/SPI*/I2C
VDD_EXT: Provides 2.8 V for external
circuit
RESET_N: Resets the module
VDD_RF: Supplies power for external RF
components
ANT_ON: Control external LNA and
active antenna power
TXD2: UART2 transmits data
RXD2: UART2 receives data
WI*: Warming indicator (only
LC29H (BA, CA))