W78E58B Winbond, W78E58B Datasheet - Page 9

• Manufacturer Part Number: W78E58B
• Description: 8 BIT MICROCONTROLLER
• Manufacturer: Winbond

P4CONB (C3H), continued
P4CONA (C2H)
P2ECON (AEH)
BIT
5, 4
3, 2
BIT
7, 6
5, 4
3, 2
BIT
1, 0
1, 0
7
6
5
4
3
2
1
0
P43CSINV
P42CSINV
P41CSINV
P40CSINV
P43CMP1
P43CMP0
P42CMP1
P42CMP0
P41CMP1
P41CMP0
P40CMP1
P40CMP0
P42FUN1
P42FUN0
P41FUN1
P41FUN0
P40FUN1
P40FUN0
NAME
NAME
NAME
-
-
-
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Chip-select signals address comparison:
00: Compare the full address (16 bits length) with the base address register
01: Compare the 15 high bits (A15
10: Compare the 14 high bits (A15
11: Compare the 8 high bits (A15
The P4.2 function control bits which are the similar definition as P43FUN1,
P43FUN0.
The P4.2 address comparator length control bits which are the similar definition
as P43CMP1, P43CMP0.
The P4.1 function control bits which are the similar definition as P43FUN1,
P43FUN0.
The P4.1 address comparator length control bits which are the similar definition
as P43CMP1, P43CMP0.
The P4.0 function control bits which are the similar definition as P43FUN1,
P43FUN0.
The P4.0 address comparator length control bits which are the similar definition
as P43CMP1, P43CMP0.
The active polarity of P4.3 when pin P4.3 is defined as read and/or write strobe
signal.
1: P4.3 is active high when pin P4.3 is defined as read and/or write strobe signal.
0: P4.3 is active low when pin P4.3 is defined as read and/or write strobe signal.
The similarity definition as P43SINV.
The similarity definition as P43SINV.
The similarity definition as P43SINV.
Reserve
Reserve
0
0
P43AH, P43AL.
register P43AH, P43AL.
register P43AH, P43AL.
register P43AH, P43AL.
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FUNCTION
FUNCTION
FUNCTION
A8) of address bus with the base address
A1) of address bus with the base address
A2) of address bus with the base address
Publication Release Date: March 18, 2002
W78E58B
Revision A3