GESBC-3130 User’s Manual
Version 1.0
Page 11 of 18
20-Jun-11
USB Port
The GESBC-3130 Single Board Computer is shipped with a high speed USB OTG port on a USB
mini A/B USB OTG connector.
A/D Converter
The GESBC-3130 Single Board Computer provides 4 channel 10 bit A/D converter. A 6pin
2.54mm spacing header provides the 4 A/D input channel.
Table 4 CON9 A/D input
Pin Number
Signal Name
1 A/D
1
2 A/D
2
3 A/D
3
4 A/D
4
5 GND
6 GND
GPIO
The GESBC-3130 is shipped with 16 configurable general purpose input/output (GPIO) ports.
Each GPIO port can be configured to have pull-up, pull-down or repeater mode. The signal
assignment is listed in the following table
Table 5 CON1 GPIO
Pin
Signal
Pin
Signal
1 3.3V 2 3.3V
3 GPIO
3 4 GPIO
4
5 GPIO
5 6 GPIO
6
7 GPIO
7 8 GPIO
8
9
GPIO 9
10
GPIO 10
11 GPIO
11 12 GPIO
12
13 GPIO
13 14 GPIO
14
15 GPIO
15 16 GPIO
16
17 GPIO
17 18 GPIO
18
19 GND 20 GND
Real Time Clock (RTC)
The GESBC-3130 is shipped with a real time clock (RTC) with battery hook-up to provide
accurate time keeping. The on-board battery holder accepts CR1225/CR1220 coin cell batteries.
