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Signal Descriptions
A-14 Copyright © 2003-2007 ARM Limited. All rights reserved. ARM DUI 0224F
A.9 GPIO interface
Four eight-bit General Purpose Input/Output (GPIO) controllers are incorporated into
the ARM926EJ-S PXP Development Chip. The signals on the GPIO connector are
shown in Figure A-11.
Figure A-11 GPIO connector
Note
Each data pin has an on-board 10KΩ pullup resistor to 3.3V.
3V3
GP0_0
GP0_1
GP0_2
GP0_3
GP0_4
GP0_5
GP0_6
GP0_7
3V3
GND
GND
GND
GND
GND
GND
GND
GND
GND
1
33
2
34
GND
GND
GND
GND
GND
GND
GND
GP1_0
GP1_1
GP1_2
GP1_3
GP1_4
GP1_5
GP1_6
GP1_7
3V3
GP2_0
GP2_1
GP2_2
GP2_3
GP2_4
GP2_5
GP2_6
GP2_7
3V3
GND
GND
GND
GND
GND
GND
GND
GND
GND
1
33
2
34
GND
GND
GND
GND
GND
GND
GND
GP3_0
GP3_1
GP3_2
GP3_3
GP3_4
GP3_5
GP3_6
GP3_7
J15
GPIO0 and GPIO1
J16
GPIO2 and GPIO3