GPS Module
L80 EVB User Guide
L80_EVB_User_Guide Confidential / Released 14 / 20
3.5. Test Point
Figure 8: Test Points
Table 5: The Description of Test Points
Pin
Signal
I/O
Description
1
TXD1
O
Transmit data
2
RXD1
I
Receive data
3
RESET
I
System reset
4/6
GND
Ground
5
1PPS
O
1 pulse per second
7
TIMER
O
Logic high will force module to be waked
up from backup mode. Keep this pin open
or pulled low before entering into backup
mode. If unused, keep this pin open.
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