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UM10503
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User manual
Rev. 2.1 — 10 December 2015
459 of 1441
NXP Semiconductors
UM10503
Chapter 19: LPC43xx/LPC43Sxx GPIO
19.4.3 GPIO port
The GPIO port registers can be used to configure each GPIO pin as input or output and
read the state of each pin if the pin is configured as input or set the state of each pin if the
pin is configured as output.