8051 Aula 02. Prof Afonso Ferreira Miguel. Microcontrolador 8051 (MCS-51). Timers do MCS51 Two 16-bit Counter/Timers: Up counters, can interrupt on overflow. Counts: CPU cycles (crystal/12). External input (max. half CPU rate). Four Operation Modes. Microcontrolador 8051 (MCS-51).
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Prof Afonso Ferreira Miguel
Up counters, can interrupt on overflow.
CPU cycles (crystal/12).
External input (max. half CPU rate).
Emulates 8048 counter/timer (13-bits).
8-bit counter (TL0 or TL1).
5-bit prescaler (TH0 or TH1).
Simple 16-bit counter.
Counter in TL0 or TL1.
Reload value in TH0 or TH1.
Provides a periodic flag or interrupt.