W78ERD2 Datasheet, PDF (20/72 Pages) Winbond – 8-BIT MICROCONTROLLER

W78ERD2
Interrupt Priority High
Bit:
7
6
-
PPCH
Mnemonic: IPH
5
PT2H
4
PSH
Address: B8h
3
PT1H
2
PX1H
1
PT0H
0
PX0H
BIT NAME
FUNCTION
7
-
This bit is un-implemented and will read high.
6 PPCH 1: To set interrupt priority of PCA is highest priority level.
5 PT2H 1: To set interrupt priority of Timer 2 is highest priority level.
4
PSH 1: To set interrupt priority of Serial port 0 is highest priority level.
3 PT1H 1: To set interrupt priority of Serial port 0 is highest priority level.
2 PX1H 1: To set interrupt priority of External interrupt 1 is highest priority level.
1 PT0H 1: To set interrupt priority of Timer 0 is highest priority level.
0 PX0H 1: To set interrupt priority of External interrupt 0 is highest priority level.
Interrupt Priority
Bit:
7
-
6
5
4
3
2
1
0
PPC PT2
PS
PT1 PX1 PT0 PX0
Mnemonic: IP
Address: B8h
BIT NAME
FUNCTION
7
-
This bit is un-implemented and will read high.
6
PPC 1: To set interrupt priority of PCA is higher priority level.
5
PT2 1: To set interrupt priority of Timer 2 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 Serial port 0 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.
Slave Address Mask Enable
Bit:
7
6
5
4
3
2
1
0
Mnemonic: SADEN
Address: B9h
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