W78L058A(2006) データシートの表示（PDF） - Winbond

部品番号

コンポーネント説明

メーカー

W78L058A
(Rev.:2006)

8-BIT MICROCONTROLLER

Winbond 

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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