W78LE58_06 Datasheet, PDF (10/34 Pages) Winbond – 8-BIT MICROCONTROLLER

W78LE58/W78L058A
P2ECON (AEH)
BIT
NAME
7 P43CSINV
6 P42CSINV
5 P41CSINV
4 P40CSINV
3
-
2
-
1
-
0
-
FUNCTION
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
Port 4 Base Address Registers
P40AH, P40AL:
The Base address register for comparator of P4.0. P40AH contains the high-order byte of address,
P40AL contains the low-order byte of address.
P41AH, P41AL:
The Base address register for comparator of P4.1. P41AH contains the high-order byte of address,
P41AL contains the low-order byte of address.
P42AH, P42AL:
The Base address register for comparator of P4.2. P42AH contains the high-order byte of address,
P42AL contains the low-order byte of address.
P43AH, P43AL:
The Base address register for comparator of P4.3. P43AH contains the high-order byte of address,
P43AL contains the low-order byte of address.
P4 (D8H)
BIT NAME
7
-
6
-
5
-
4
-
3
P43
2
P42
1
P41
0
P40
FUNCTION
Reserve
Reserve
Reserve
Reserve
Port 4 Data bit which outputs to pin P4.3 at mode 0.
Port 4 Data bit. which outputs to pin P4.2 at mode 0.
Port 4 Data bit. which outputs to pin P4.1at mode 0.
Port 4 Data bit which outputs to pin P4.0 at mode 0.
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