W78ERD2_07 Datasheet, PDF (20/76 Pages) Winbond – 8-BIT MICROCONTROLLER

W78ERD2/W78ERD2A
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
BIT
NAME
FUNCTION
P41FUN1
7, 6
P4.1 function control bits, similar to P43FUN1 and P43FUN0 below.
P41FUN0
5, 4
P41CMP1 _{P4.1 address-comparator length control bits, similar to P43CMP1 and}
P41CMP0 ^{P43CMP0 below.}
P40FUN1
3, 2
P4.0 function control bits, similar to P43FUN1 and P43FUN0 below.
P40FUN0
1, 0
P40CMP1 _{P4.0 address-comparator length control bits, similar to P43CMP1 and}
P40CMP0 ^{P43CMP0 below.}
Port 4 Control Register B
Bit:
7
6
5
4
3
2
1
0
P43FUN1 P43FUN0 P43CMP1 P43CMP0 P42FUN1 P42FUN0 P42CMP1 P42CMP0
Mnemonic: P4CONB Address: C3h
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