User`s manual
52 • Extension Modules
General Purpose I/O Lines
The I/O lines are TTL compatible with 1 input and 1 output
GPIO interface:
• One 10-pin header connector
• I/O lines are internally pulled up and have the following
characteristics:
Voltage MIN MAX
Input high voltage (20μA) 2.0V 5.25V
Input low voltage (-0.2mA) 0.0V 0.80V
Output high voltage (-1.0mA) 5.0V -
Output low voltage (100.0mA) - 0.5V
User EEPROM
Includes 1kbit available EEPROM
Form Factor
32-bit / 33MHz PMC socket board
5.4.3 Pin Assignment
Video Input
PIN NO. Function PIN NO. Function
1 GND 2 CH0 video in
3 CH1video in 4 GND
5 GND 6 CH2video in
7 CH3video in 8 GND
9 GND 10 GND
GPIO
PIN NO. Function PIN NO. Function
1 IN0 External interrupt 2 GND
3 OUT0 4 NC
5 NC 6 GND
7 NC 8 +5V
9 GND 10 NC
10
9
2
1
10
9
2
1