I think, it depents on how | Microcontroller › 8051 › external interrupt interval › I think, it depents on how August 10, 2012 at 6:18 pm #8440 AJISH ALFREDParticipant I think, it depents on how long your ISR takes to finish executing. At 2000 pulses per second, may be you are generating the next interrupt before the previous interrupt’s ISR returns.
