w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 187

• Manufacturer Part Number: w83877atd
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

11.0 APPLICATION CIRCUITS
11.1 Parallel Port Extension FDD
MOB2/BUSY
STEP2/SLIN
HEAD2/ERR
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
13
25
12
24
11
23
10
22
21
20
19
18
17
16
15
14
9
8
7
6
5
4
3
2
1
PRINTER PORT
JP13
- 183 -
Publication Release Date: April 1998
HEAD2
RWC2
DCH2
RDD2
WP2
TRK02
WE2
WD2
STEP2
DIR2
MOB2
DSB2
IDX2
W83877ATF
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
EXT FDC
JP 13A
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
Version 0.51