W78958B Datasheet, PDF (24/28 Pages) Winbond – 8-BIT EMULATION MICROCONTROLLER

TYPICAL APPLICATION CIRCUITS
Advanced Type Application in Normal Mode
W78958B
VCC
EA
ENSTD
INT2
INT3
P8<7:0>
P0<7:0>
P1<7:0>
P2<7:0>
P3<7:0>
DP4<7:0>
AP5<7:0>
AP6<7:0>
<7:0>
<15:8>
AP7<3:0>
PSEN
DB<7:0>
ADDR<15:0>
ADDR<19:16>
<7> (RD)
<6> (WR)
Note: ENSTD can also be left unconnected.
1MB
ROM
OE
64KB
RAM
OE WR
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