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TIMERS OF 8051 Microcontroller:

TIMERS OF 8051 Microcontroller:. Registers for timers:. TO & T1 TMOD TCON. TF1: Timer 1 overflow flag. TR1: Timer 1 run control bit. TF0: Timer 0 overflag. TR0: Timer 0 run control bit. IE1: External interrupt 1 edge flag. IT1: External interrupt 1 type flag.

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TIMERS OF 8051 Microcontroller:

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  1. TIMERS OF 8051 Microcontroller: Registers for timers: • TO & T1 • TMOD • TCON

  2. TF1: Timer 1 overflow flag. TR1: Timer 1 run control bit. TF0: Timer 0 overflag. TR0: Timer 0 run control bit. IE1: External interrupt 1 edge flag. IT1: External interrupt 1 type flag. IE0: External interrupt 0 edge flag. IT0: External interrupt 0 type flag. TCON Register:

  3. Timer/Counter selection

  4. Vcc P1.0 1 40 P0.0(AD0) P1.1 2 39 P0.1(AD1) P1.2 3 38 P0.2(AD2) P1.3 4 37 8051 (8031) P0.3(AD3) P1.4 5 36 P0.4(AD4) P1.5 6 35 P0.5(AD5) P1.6 7 34 P0.6(AD6) P1.7 8 33 P0.7(AD7) RST 9 32 (RXD)P3.0 EA/VPP 10 31 (TXD)P3.1 ALE/PROG 11 30 PSEN (INT0)P3.2 12 29 P2.7(A15) 13 28 (INT1)P3.3 (T0)P3.4 P2.6(A14) 14 27 (T1)P3.5 P2.5(A13) 15 26 P2.4(A12) (WR)P3.6 16 25 P2.3(A11) (RD)P3.7 17 24 P2.2(A10) XTAL2 18 23 P2.1(A9) XTAL1 19 22 P2.0(A8) GND 20 21 Pin Description of the 8051 

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