W79E632A Datasheet, PDF (12/79 Pages) Winbond – 8-BIT MICROCONTROLLER

W79E632A/W79L632A
TL1.7 TL1.6 TL1.5 TL1.4 TL1.3 TL1.2 TL1.1 TL1.0
Mnemonic: TL1
Address: 8Bh
TL1.7−0: Timer 1 LSB
Timer 0 MSB
Bit:
7
6
5
4
3
2
1
0
TH0.7 TH0.6 TH0.5 TH0.4 TH0.3 TH0.2 TH0.1 TH0.0
Mnemonic: TH0
Address: 8Ch
TH0.7−0: Timer 0 MSB
Timer 1 MSB
Bit:
7
6
5
4
3
2
1
0
TH1.7 TH1.6 TH1.5 TH1.4 TH1.3 TH1.2 TH1.1 TH1.0
Mnemonic: TH1
Address: 8Dh
TH1.7−0: Timer 1 MSB
Clock Control
Bit:
7
6
5
4
3
2
1
0
WD1 WD0 T2M T1M T0M MD2 MD1 MD0
Mnemonic: CKCON
Address: 8Eh
WD1−0: Watchdog timer mode select bits: These bits determine the time-out period for the watchdog
timer. In all four time-out options the reset time-out is 512 clocks more than the interrupt time-
out period.
WD1
0
0
1
1
WD0
0
1
0
1
Interrupt time-out
2¹⁷
2²⁰
2²³
2²⁶
Reset time-out
2¹⁷ + 512
2²⁰ + 512
2²³ + 512
2²⁶ + 512
T2M: Timer 2 clock select: When T2M is set to 1, timer 2 uses a divide by 4 clock, and when set to
0 it uses a divide by 12 clock.
T1M: Timer 1 clock select: When T1M is set to 1, timer 1 uses a divide by 4 clock, and when set to
0 it uses a divide by 12 clock.
T0M: Timer 0 clock select: When T0M is set to 1, timer 0 uses a divide by 4 clock, and when set to
0 it uses a divide by 12 clock.
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