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W78M032A Schematic ( PDF Datasheet ) - Winbond

Teilenummer W78M032A
Beschreibung 8-BIT MICROCONTROLLER
Hersteller Winbond
Logo Winbond Logo 




Gesamt 18 Seiten
W78M032A Datasheet, Funktion
W78L32/W78L032A/W78M032A
8-BIT MICROCONTROLLER
Table of Content-
1. GENERAL DESCRIPTION ......................................................................................................... 2
2. FEATURES ................................................................................................................................. 2
3. PIN CONFIGURATIONS ............................................................................................................ 3
4. PIN DESCRIPTION..................................................................................................................... 4
5. BLOCK DIAGRAM ...................................................................................................................... 6
6. FUNCTIONAL DESCRIPTION ................................................................................................... 7
7. ABSOLUTE MAXIMUM RATINGS ............................................................................................. 8
8. DC CHARACTERISTICS............................................................................................................ 8
9. AC CHARACTERISTICS .......................................................................................................... 10
10. TIMING WAVEFORMS ............................................................................................................. 12
11. TYPICAL APPLICATION CIRCUITS ........................................................................................ 14
12. PACKAGE DIMENSIONS ......................................................................................................... 16
13. REVISION HISTORY ................................................................................................................ 18
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Publication Release Date: March 7, 2006
- 1 - Revision A5






W78M032A Datasheet, Funktion
W78L32/W78L032A/W78M032A
5. BLOCK DIAGRAM
RAM
256
Bytes
CPU
CORE
SFR
Data Bus
Interrupt
Timer 2
Serial
Port
Timer 0
Timer 1
INT 0
INT 1
Port 0
Port 1
Alternate
Port 2
Port 3
Alternate
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6 Page









W78M032A pdf, datenblatt
W78L32/W78L032A/W78M032A
10. TIMING WAVEFORMS
Program Fetch Cycle
XTAL1
S1 S2 S3 S4 S5 S6 S1 S2 S3 S4 S5 S6
ALE
PSEN
PORT 2
TAPL
TPSW
TAAS
TAAH
TPDA
PORT 0
Code
A0-A7
Data
TALW
TPDH, TPDZ
A0-A7
Code A0-A7
Data A0-A7
Data Read Cycle
XTAL1
ALE
PSEN
PORT 2
PORT 0
RD
S4 S5 S6 S1 S2 S3 S4 S5 S6 S1 S2 S3
A0-A7
A8-A15
TDAR
TDDA
DATA
TDDH, TDDZ
TDRD
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- 12 -

12 Page





SeitenGesamt 18 Seiten
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