ATMEL AT 89C55 Microcontroller, Price in Pakistan

Sleep mode: 100 nA, typical Watchdog Timer: 500 nA, typical Timer1 Oscillator: 500 nA @ typical 32 kHz Flexible Oscillator Structure Precision 16 MHz internal oscillator block: Factory calibrated to 1{7e82c6d62784066d1b113f595afb6e15f0ca3fec289cddd29e600df910d44428} Software selectable frequencies range of 31 kHz to 16 MHz 64 MHz performance available using PLL No external components required Four Crystal modes up to 64 MHz Two external Clock modes up to 64 MHz 4X Phase Lock Loop (PLL) Secondary oscillator using Timer1 @ 32 kHz Fail-Safe Clock Monitor: Allows for safe shutdown if peripheral clock stops Two-Speed Oscillator Start-up