W79E825A Datasheet, PDF (32/127 Pages) Winbond – 8-BIT MICROCONTROLLER

W79E825A/824A/823B/822B Data Sheet
PXM1.Y
0
0
1
1
PXM2.Y
0
1
0
1
Port Output Configuration Settings:
PORT INPUT/OUTPUT MODE
Quasi-bidirectional
Push-Pull
Input Only (High Impedance)
P2M1.PxS=0, TTL input
P2M1.PxS=1, Schmitt input
Open Drain
INTERRUPT HIGH PRIORITY
Bit: 7
6
5
4
3
2
1
0
-
PADCH PBOH
PSH
PT1H
PX1H
PT0H
PX0H
Mnemonic: IP0H
Address: B7h
BIT NAME
FUNCTION
7-
This bit is un-implemented and will read high.
6 PADCH 1: To set interrupt high priority of ADC is highest priority level.
5 PBOH
1: To set interrupt high priority of Brown Out Detector is highest priority level.
4 PSH
1: To set interrupt high priority of Serial port 0 is highest priority level.
3 PT1H
1: To set interrupt high priority of Timer 1 is highest priority level.
2 PX1H
1: To set interrupt high priority of External interrupt 1 is highest priority level.
1 PT0H
1: To set interrupt high priority of Timer 0 is highest priority level.
0 PX0H
1: To set interrupt high priority of External interrupt 0 is highest priority level.
INTERRUPT PRIORITY 0
Bit: 7
6
5
4
3
2
1
0
-
PADC
PBO
PS
PT1
PX1
PT0
PX0
Mnemonic: IP
Address: B8h
BIT NAME
FUNCTION
7-
This bit is un-implemented and will read high.
6 PADC
1: To set interrupt priority of ADC is higher priority level.
5 PBO
1: To set interrupt priority of Brown Out Detector is higher priority level.
4 PS
1: To set interrupt priority of Serial port 0 is higher priority level.
3 PT1
1: To set interrupt priority of Timer 1 is higher priority level.
2 PX1
1: To set interrupt priority of External interrupt 1 is higher priority level.
1 PT0
1: To set interrupt priority of Timer 0 is higher priority level.
0 PX0
1: To set interrupt priority of External interrupt 0 is higher priority level.
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