Globalsat ET-314, Руководство пользователя

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ET-314
The Specifications are subject to be changed without notice. Copyright
©
2007, GlobalSat Technology.
Page 5 of 19
Version 1.2
Pin Signal Name I/O Description
1 VCC I DC Supply Voltage input
2 GND G Ground
3 Boot select I Boot mode
4 RXA I Serial port A
5 TXA O Serial port A
6 TXB O Serial port B
7 RXB I Serial port B
8 GPIO14 I/O General –purpose I/O
9 RF_ON
10 GND G Digital Ground
11
16
GND_A G Analog Ground
17 RF_IN I GPS Signal input
18 GND_A G Analog Ground
19 V_ANT_IN I Active Antenna Bias voltage
20 VCC_RF O Supply Antenna Bias voltage
21 V_BAT I Backup voltage supply
22 Reset I Reset (Active low)
23 GPIO10 I/O General purpose I/O
24 GPIO1 I/O General purpose I/O
25 GPIO5 I/O General purpose I/O
26 GPIO0 I/O General purpose I/O
(support continuous power mode only)
27 GPIO13 I/O General purpose I/O
28 GPIO15 I/O General purpose I/O
29 PPS O One pulse per second
30 GND G Digital Ground
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.