W78IRD2 Datasheet, PDF (20/76 Pages) Winbond – 8-BIT MICROCONTROLLER

W78IRD2
BIT
NAME
FUNCTION
7
PX3
1: Set the priority of external interrupt INT3 one level higher.
6
EX3
1: Enable external interrupt INT3 .
5
IE3
Interrupt INT3 flag. This bit is set and cleared automatically by the hardware
when the interrupt is detected and processed.
1: INT3 is falling-edge triggered
4
IT3
0: INT3 is low-level triggered
3
PX2
1: Set the priority of external interrupt INT2 one level higher.
2
EX2
1: Enable external interrupt INT2 .
1
IE2
Interrupt INT2 flag. This bit is set and cleared automatically by the hardware
when the interrupt is detected and processed.
1: INT2 is falling-edge triggered
0
IT2
0: INT2 is low-level triggered
External Interrupt High Control
Bit:
7
6
5
4
3
2
1
0
PXH3
-
-
-
PXH2
-
-
-
Mnemonic: XICON Address: C1h
BIT
7
6-4
3
2-0
NAME
PXH3
-
PXH2
-
FUNCTION
1: Set the priority of external interrupt INT3 to the highest level.
Reserved
1: Set the priority of external interrupt INT2 to the highest level.
Reserved
Port 4 Control Register A
Bit:
7
6
5
4
3
2
1
0
P41FUN1 P41FUN0 P41CMP1 P41CMP0 P40FUN1 P40FUN0 P40CMP1 P40CMP0
Mnemonic: P4CONA Address: C2h
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