W83977ATF Datasheet, PDF (130/207 Pages) Winbond – WINBOND I/O

14.0 APPLICATION CIRCUITS
14.1 Parallel Port Extension FDD
JP13
WE2/SLCT
13
25
WD2/PE
12
24
MOB2/BUSY
11
23
DSB2/ACK
10
22
PD7
9
21
8
PD6
20
PD5
7
19
6
DCH2/PD4
18
RDD2/PD3
5
STEP2/SLIN
17
WP2/PD2
4
DIR2/INIT
16
TRK02/PD1
3
15
HEAD2/ERR
2
IDX2/PD0
14
RWC2/AFD
1
STB
PRINTER PORT
W83977ATF
PRELIMINARY
DCH2
HEAD2
RDD2
WP2
TRK02
WE2
WD2
STEP2
DIR2
MOB2
DSB2
IDX2
RWC2
JP 13A
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
EXT FDC
Parallel Port Extension FDD Mode Connection Diagram
14.2 Parallel Port Extension 2FDD
JP13
WE2/SLCT
WD2/PE
MOB2/BUSY
DSB2/ACK
DSA2/PD7
MOA2/PD6
PD5
DCH2/PD4
RDD2/PD3
STEP2/SLIN
WP2/PD2
DIR2/INIT
TRK02/PD1
HEAD2/ERR
IDX2/PD0
RWC2/AFD
STB
13
25
12
JP 13A
24
11
23
10
22
9
DCH2
34
33
HEAD2
32
31
RDD2
30
29
WP2
28
27
TRK02
26
25
21
WE2
24
23
8
WD2
22
21
20
STEP2
20
19
7
DIR2
18
17
19
MOB2
16
15
6
DSA2
14
13
18
DSB2
12
11
5
17
MOA2
10
9
IDX2
8
7
4
6
5
16
3
4
3
RWC2
2
1
15
EXT FDC
2
14
1
PRINTER PORT
Parallel Port Extension 2FDD Connection Diagram
Publication Release Date: April 1998
185-
Revision 0.52