On 03/05/2022 17:51, Marty E. Plummer wrote: >>>> A bit weird interrupts... the same? >>>> >>> Yes, though I am aware that some sp804 timers do have a separate >>> interrupts per pair. >> >> They have also separate interrupts, one combined interrupt or one sole >> interrupt. However what you described here is one interrupt line >> physically connected to two separate pins on the device yet still not >> being somehow shared (shared as "combined interrupt"). I don't think it >> is your case... >> > Unsure. datasheet just says '33 | Timer0/Timer1'. I don't think these > timers are attached to pins, however. So it looks like a combined interrupt, doesn't it? Best regards, Krzysztof