Analog/Gpio Multiplexing - Texas Instruments Concerto F28M35 Series Technical Reference Manual

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input mode). Any state will get flushed by the circuit eventually.
AIOx Pin
SPRUH22I – April 2012 – Revised November 2019
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Figure 4-38. Analog/GPIO Multiplexing
To COMPy Aor B input
To ADC Channel X
Logic implemented in GPIO MUX block
AIOxIN
AIOxINE
(0 = Input, 1 = Output)
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C28 General-Purpose Input/Output (GPIO)
SYSCLKOUT
1
SYNC
0
AIOMUX1 Reg
1
0 0
General-Purpose Input/Output (GPIO)
AIODAT Reg
(Read)
AIODAT Reg
(Latch)
AIOSET,
AIOCLEAR,
AIOTOGGLE
Regs
AIODIR Reg
(Latch)
373