General Purpose Input Output (GPIO)
ARM DDI 0287B Copyright © 2004, 2006 ARM Limited. All rights reserved. 9-5
9.3 GPIO signals on pads
Table 9-2 describes the signals from the PrimeCell GPIO to input/output pads of the
chip.
Table 9-2 Pad signal descriptions
Name Description
GPx_[7:0] These I/O signals are the output from the GPIO0, GPIO1, GPIO2, and
GPIO3.
The GPIOEN[7:0] signals in the PL061 control the data direction.
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