W79E825A Datasheet, PDF (28/127 Pages) Winbond – 8-BIT MICROCONTROLLER

W79E825A/824A/823B/822B Data Sheet
INTERRUPT ENABLE
Bit: 7
6
5
4
3
2
EA
EADC
EBO
ES
ET1
EX1
Mnemonic: IE
BIT NAME
FUNCTION
7 EA
Global enable. Enable/Disable all interrupts.
6 EADC
Enable ADC interrupt.
5 EBO
Enable Brown Out interrupt.
4 ES
Enable Serial Port interrupt.
3 ET1
Enable Timer 1 interrupt.
2 EX1
Enable external interrupt 1.
1 ET0
Enable Timer 0 interrupt.
0 EX0
Enable external interrupt 0.
1
0
ET0
EX0
Address: A8h
SLAVE ADDRESS
Bit: 7
6
5
4
3
2
1
0
SADDR.7 SADDR.6 SADDR.5 SADDR.4 SADDR.3 SADDR.2 SADDR.1 SADDR.0
Mnemonic: SADDR
Address: A9h
BIT
NAME
FUNCTION
7-0
SADDR.[7:0]
The SADDR should be programmed to the given or broadcast address for
serial port to which the slave processor is designated.
COMPARATOR 1 CONTROL REGISTER
Bit: 7
6
5
4
3
2
1
0
-
-
CE1
CP1
CN1
OE1
CO1
CMF1
Mnemonic: CMP1
Address: ACh
BIT NAME
FUNCTION
7-
Reserved.
6-
Reserved.
5 CE1
Comparator enable:
0: Disable Comparator.
1: Enabled Comparator. Comparator output need wait stable 10 us after CE1 is
first set.
4 CP1
Comparator positive input select:
0: CIN1A is selected as the positive comparator input.
1: CIN1B is selected as the positive comparator input.
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