Definition Of Pin Assignment - Globalsat ET-314 User Manual

Pin Signal Name
1 VCC
2 GND
3 Boot select
4 RXA
5 TXA
6 TXB
7 RXB
8 GPIO14
9 RF_ON
10 GND
11 GND_A
16
17 RF_IN
18 GND_A
19 V_ANT_IN
20 VCC_RF
21 V_BAT
22 Reset
23 GPIO10
24 GPIO1
25 GPIO5
26 GPIO0
27 GPIO13
28 GPIO15
29 PPS
30 GND

Definition of Pin assignment

VCC
This is the main DC supply for a 3.3V +- 5% DC input power module board.
GND
GND provides the ground for digital part.
The Specifications are subject to be changed without notice.
ET-314
I/O Description
I DC Supply Voltage input
G Ground
I Boot mode
I Serial port A
O Serial port A
O Serial port B
I Serial port B
I/O General –purpose I/O
G Digital Ground
G Analog Ground
I GPS Signal input
G Analog Ground
I Active Antenna Bias voltage
O Supply Antenna Bias voltage
I Backup voltage supply
I Reset (Active low)
I/O General purpose I/O
I/O General purpose I/O
I/O General purpose I/O
I/O General purpose I/O
(support continuous power mode only)
I/O General purpose I/O
I/O General purpose I/O
O One pulse per second
G Digital Ground
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