W83977A Winbond Electronics Corp America, W83977A Datasheet - Page 158

• Manufacturer Part Number: W83977A
• Description: Winbond I/O
• Manufacturer: Winbond Electronics Corp America

14.0 APPLICATION CIRCUITS
14.1 Parallel Port Extension FDD
14.2 Parallel Port Extension 2FDD
MOB2/BUSY
HEAD2/ERR
STEP2/SLIN
TRK02/PD1
MOB2/BUSY
RWC2/AFD
STEP2/SLIN
HEAD2/ERR
WE2/SLCT
DSB2/ACK
DCH2/PD4
RDD2/PD3
TRK02/PD1
RWC2/AFD
WE2/SLCT
MOA2/PD6
DSB2/ACK
DSA2/PD7
DCH2/PD4
RDD2/PD3
WP2/PD2
DIR2/INIT
IDX2/PD0
DIR2/INIT
IDX2/PD0
WP2/PD2
WD2/PE
WD2/PE
PD7
PD6
PD5
STB
PD5
STB
Parallel Port Extension FDD Mode Connection Diagram
Parallel Port Extension 2FDD Connection Diagram
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PRINTER PORT
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PRINTER PORT
JP13
JP13
- 147 -
Publication Release Date: March 1998
PRELIMINARY
HEAD2
TRK02
DSB2
MOA2
DCH2
RDD2
WP2
WE2
WD2
STEP2
DIR2
MOB2
IDX2
RWC2
DSA2
RWC2
HEAD2
DCH2
RDD2
WP2
TRK02
WE2
WD2
STEP2
DIR2
MOB2
DSB2
IDX2
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EXT FDC
EXT FDC
W83977TF
JP 13A
JP 13A
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Revision 0.62
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