W78IRD2 Datasheet, PDF (18/76 Pages) Winbond – 8-BIT MICROCONTROLLER

W78IRD2
BIT NAME
FUNCTION
7
-
This bit is not implemented and is always read high.
6 PPCH 1: Set the priority of the PCA interrupt to the highest level.
5 PT2H 1: Set the priority of the Timer 2 interrupt to the highest level.
4
PSH 1: Set the priority of the Serial Port interrupt to the highest level.
3 PT1H 1: Set the priority of the Timer 1 interrupt to the highest level.
2 PX1H _{1: Set the priority of external interrupt INT1 to the highest level.}
1 PT0H 1: Set the priority of the Timer 0 interrupt to the highest level.
0 PX0H 1: Set the priority of external interrupt _INT0 to the highest 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 not implemented and is always read high.
6
PPC 1: Set the priority of the PCA interrupt one level higher.
5
PT2 1: Set the priority of the Timer 2 interrupt one level higher.
4
PS 1: Set the priority of the Serial Port interrupt one level higher.
3
PT1 1: Set the priority of the Timer 1 interrupt one level higher.
2
PX1 _{1: Set the priority of external interrupt INT1 one level higher.}
1
PT0 1: Set the priority of the Timer 0 interrupt one level higher.
0
PX0 1: Set the priority of external interrupt _INT0 one level higher.
Slave Address Mask Enable
Bit:
7
6
5
4
3
2
1
0
Mnemonic: SADEN
Address: B9h
- 18 -