Globalsat ET-318, User Manual

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ET-318
Specifications are subject to be changed without notice.
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Version 1.3.1
2. Technical Information
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Pin Assignment
Pin Signal Name I/O Description
1 GND G Analog Ground
2 RF_IN RF GPS Signal input
3 GND G Analog Ground
4 NRESET I Reset (Active low)
5 VCC_IN PWR DC Supply Voltage input
6 VBAT PWR Backup voltage supply
7 RXB I Serial port B
8 TXB O Serial port B
9 GND G Analog Ground
10 BOOTSEL Boot mode
11 TXA O Serial port A
12 RXA I Serial port A
13 GPIO1 I General –purpose I/O
14 GPIO14 I General –purpose I/O
15 TIMEMARK O One pulse per second
16 GPIO13 I General –purpose I/O
17 GPIO15 I General –purpose I/O
ET-318-01 Bottom View