w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 188
w83877atd
Manufacturer Part Number
w83877atd
Description
Winbond I/o
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83877ATD.pdf
(191 pages)
- Current page: 188 of 191
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11.2 Parallel Port Extension 2FDD
11.3 Four FDD Mode
MOB2/BUSY
HEAD2/ERR
STEP2/SLIN
TRK02/PD1
RWC2/AFD
MOA2/PD6
WE2/SLCT
DSB2/ACK
DSA2/PD7
DCH2/PD4
RDD2/PD3
WP2/PD2
DIR2/INIT
IDX2/PD0
WD2/PE
PD5
STB
W83777ATF
MOB
MOA
DSB
DSA
Parallel Port Extension 2FDD Connection Diagram
13
25
12
24
11
23
10
22
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9
8
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1
PRINTER PORT
JP13
G1
A1
B1
G2
A2
B2
74LS139
- 184 -
1Y0
1Y1
1Y2
1Y3
2Y0
2Y1
2Y2
2Y3
Publication Release Date: April 1998
7407(2)
HEAD2
TRK02
DSB2
MOA2
DCH2
RDD2
WP2
WE2
WD2
STEP2
DIR2
MOB2
DSA2
IDX2
RWC2
W83877ATF
34
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24
22
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8
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EXT FDC
JP 13A
DSA
DSB
DSC
DSD
MOA
MOB
MOC
MOD
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31
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27
25
23
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15
13
11
9
7
5
3
1
Version 0.51
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