w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 138

• Manufacturer Part Number: w83977eg
• Description: Winbond Isa I/o W83977ef W83977eg
• Manufacturer: Winbond Electronics Corp America

15. APPLICATION CIRCUITS
15.1 Parallel Port Extension FDD
MOB2#/BUSY
HEAD2#/ERR#
STEP2#/SLIN#
TRK02#/PD1
RWC2#/AFD#
WE2#/SLCT
DSB2#/ACK
DCH2#/PD4
RDD2#/PD3
DIR2#/INIT#
IDX2#/PD0
WP2#/PD2
WD2#/PE
PD7
PD6
PD5
STB#
Parallel Port Extension FDD Mode Connection Diagram
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PRINTER PORT
JP13
W83977EF-AW/W83977EG-AW
-136-
RWC2#
HEAD2#
DCH2#
RDD2#
WP2#
TRK02#
WE2#
WD2#
STEP2#
DIR2#
MOB2#
DSB2#
IDX2#
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10
8
6
4
2
EXT FDC
JP 13A
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