W78E516B_06 Datasheet, PDF (12/37 Pages) Winbond – 8-BIT MICROCONTROLLER

W78E516B
P2ECON (AEH)
BIT
NAME
FUNCTION
The active polarity of P4.3 when pin P4.3 is defined as read and/or write
strobe signal.
7
P43CSINV
= 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.
6 P42CSINV The similarity definition as P43SINV.
5 P41CSINV The similarity definition as P43SINV.
5 P41CSINV The similarity definition as P43SINV.
4 P40CSINV The similarity definition as P43SINV.
3
-
Reserve
2
-
Reserve
1
-
0
0
-
0
5.11 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.
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