W78958B Datasheet, PDF (25/28 Pages) Winbond – 8-BIT EMULATION MICROCONTROLLER

Standard Type Application in Normal Mode
W78958B
EA
ENSTD
depends on EA
Vcc
DP4<7:0>
AP5<7:0>
AP6<6:0>
ROMS1
ROMS0
P1<7:0>
P3<7:0>
32KB
EPROM
PSEN
ALE
<7:0>
P0<7:0>
<15:8>
P2<7:0>
74373
<7> (RD)
<6> (WR)
Note: EA may be pulled high or low depending on application.
(Example shown is W78C58.)
64KB
ROM
OE
64KB
RAM
OE WR
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Publication Release Date: September 1997
Revision A3