and the GPIO input register in the SIO. The input synchronizers should
generally be unbypassed, to avoid injecting metastabilities into processors.
If you’re feeling brave, you can bypass to save two cycles of input
latency. This register applies to GPIO 0…29.
PROC_IN_SYNC_BYPASS
reader -PROC_IN_SYNC_BYPASS
writer -PROC_IN_SYNC_BYPASS
readerPROC_IN_SYNC_BYPASS
writer