W78E58B_06 Datasheet, PDF (25/36 Pages) Winbond – 8-BIT MICROCONTROLLER

W78E58B/W78E058B
8. TIMING WAVEFORMS
8.1 Program Fetch Cycle
XTAL1
S1 S2 S3 S4 S5 S6 S1 S2 S3 S4 S5 S6
ALE
T_APL
T_ALW
PSEN
PORT 2
T_PSW
T_AAS
T_AAH
T_PDA
T_PDH, T_PDZ
PORT 0
Code A0-A7
Data ^A0-A7
Code A0-A7
Data A0-A7
8.2 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
DATA
TDAR
TDDA
TDDH, TDDZ
TDRD
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Publication Release Date: December 4, 2006
Revision A8