GNSS Module Series
LC29D EVB User Guide
LC29D_EVB_User_Guide 14 / 22
3.8.
Test Points
The following figure illustrates the test points of the EVB.
1
2
3
4
5
6
7
8
9
10
Figure 9: J302 test points
Table 5: Pin Description of J302
SN.
Signal
I/O
Description
1
RXD1
DI
Receive data
2
VCC_3.3V
PO
3.3V power output
3
TXD1
DO
Transmit data
4
GND
-
Ground
5
RTS1
DO
Request to send
6
1PPS
DO
One pulse per second
7
CTS1
DI
Clear to send
8
I2C_SCL
OD
I2C clock
9
VDD_EXT
PO
1.8V power output
10
I2C_SDA
OD
I2C data
