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4-56 Copyright © 2003-2007 ARM Limited. All rights reserved. ARM DUI 0224F
4.10 General Purpose Input/Output, GPIO
The PrimeCell General Purpose Input/Output (GPIO) is an AMBA compliant SoC
peripheral that is developed, tested, and licensed by ARM Limited.
Note
Bit 7 of GPIO 3 is used for the battery voltage signal BATOK.
Table 4-36 GPIO implementation
Property Value
Location ARM926EJ-S PXP Development Chip
Memory base address
0x101E4000
for GPIO 0
0x101E5000
for GPIO 1
0x101E6000
for
GPIO 2
0x101E7000
for GPIO 3
0x101E8000
alias address for
GPIO 3
Interrupt 6 on primary controller for GPIO 0 7 on primary controller for
GPIO 1 8 on primary controller for GPIO 2 9 on primary
controller for GPIO 3
DMA NA
Release version ARM GPIO PL061 r1p0
Reference documentation ARM PrimeCell GPIO (PL061) Technical Reference Manual
(see also GPIO interface on page 3-71)