Skylab M&C Technology Co., Ltd
High-performance GNSS Module Datasheet
LS-
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LS-TM8N-DA-001,A/1
5. Pin Description
Pin No.
Pin name
I/O
Description
Remark
1 FIXLED O Fixed LED Output Default off .Leave open if not used
2 GPIO7 I/O
General Purpose I/O Leave open if not used
3 PPS O Time Pulse Signal (Default 100ms) Leave open if not used
4 GPIO8 I/O
General Purpose I/O Leave open if not used
5 NC
6 NC
7 NC
8 V_ANT I Active Antenna External Voltage
Supply
Leave open if not used
9 V_ANT_OU
T
O Voltage Output for External Active
Antenna
Leave open if not used
10 GND G Ground
11 RF_IN I RF Signal Input 50Ω
12 GND G Ground
13 GND G Ground
14 GPIO2 I/O
General Purpose I/O Leave open if not used
15 GPIO3 I/O
General Purpose I/O Leave open if not used
16 NC
17 NC
18 TXD1 O UART Serial Data Output 1 GPIO4
19 RXD1 I UART Serial Data Iutput 1 GPIO5
20 TXD0 O UART Serial Data Output 0 GPIO0
21 RXD0 I UART Serial Data Input 0 GPIO1
22 V_BCKP
I RTC and backup SRAM power
This pin may be connect to Battery or
Power Supply(1.5~3.6V)