User Manual

Apollo3 Blue Datasheet

DS-A3-0p9p1 Page 413 of 909 2019 Ambiq Micro, Inc.

This is the detailed description of the general purpose I/O (GPIO) block, as well as for the PAD multiplexor.

Note that GPIO interrupt bits are edge triggered. WARNING: if an interrupt bit is cleared while the

combination of polarity and input are still asserted then this bit will not set again.