User's Manual

18
 Con1: (ADC & RS-232 )
Figure 3-1 Pin Assignments Front View
(Part No.: LTWBU-12BFFM-LL7A01 by Amphenol LTW)
* 1pps will be sent out when the GPS is power on and in 3D fix.
*NOTE: Analog to digital input (Pin 5~8) are used to measure voltage between 0V~36V range.
Pin number
Pin definition
Description
Color
1
RS232 TX
Communication interface
Brown
2
GND
Signal ground (RS-232)
Blue
3
1 pps
1 pps (1 pulse per second from GPS) *
White
4
GND
Ground(GPS)
Green
5
ADC4
Analog to Digital input 4
Yellow
6
ADC3
Analog to Digital input 3
Gray
7
ADC2
Analog to Digital input 2
Pink
8
ADC1
Analog to Digital input 1
Red
9
RS232 RX
Communication interface
Black
10
GND
Ground
Orange
11
NC
Not connect
Purple
12
NC
Not connect
Light Green