What processor, RP2040 or RP2350?
On RP2040 certain input instruction can crash PIO, even the whole chip (like WAIT GPIO).
Others are safe, but have 1 additional cycle delay (WAIT PIN).
On RP2350 all look to be safe, but disabling synchronizers will save only 1 cycle of delay.
On RP2040 certain input instruction can crash PIO, even the whole chip (like WAIT GPIO).
Others are safe, but have 1 additional cycle delay (WAIT PIN).
On RP2350 all look to be safe, but disabling synchronizers will save only 1 cycle of delay.
Statistics: Posted by gmx — Mon Jan 26, 2026 11:12 pm