ur logic is perfect. count 20 | Microcontroller › 8051 › Interrupt of 1s -Atmel 89C51 › ur logic is perfect. count 20 December 3, 2015 at 11:04 am #13551 Ashutosh BhattParticipant ur logic is perfect. count 20 timer interruts of 50 ms. ur code might be wrong. post ur code
