Multiplexing of Four Peripheral Functions per I/O Line
For each I/O Line (Whether Assigned to a Peripheral or Used as General Purpose I/O)
Input change interrupt
Programmable glitch filter
Programmable debouncing filter
Multi-drive option enables driving in open drain
Programmable pullup on each I/O line
Pin Data Status register provides visibility of the level
on the pin at any time
Additional interrupt modes on a programmable event: Rising
Edge, Falling Edge, Low-Level or High-Level
Synchronous Output, Provides Set and Clear of Several I/O Lines in a Single Write
Register Write Protection
Programmable Schmitt Trigger Inputs
Programmable Slewrate per I/O Line
Programmable I/O Drive
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