VT82C686B

Manufacturer Part NumberVT82C686B
ManufacturerETC-unknow
VT82C686B datasheet
 


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Page 21
22
Page 22
23
Page 23
24
Page 24
25
Page 25
26
Page 26
27
Page 27
28
Page 28
29
Page 29
30
Page 30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
Page 22/128:

Parallel Port Interface

Download datasheet (2Mb)Embed
PrevNext
7HFKQRORJLHV ,QF
Signal Name
Pin #
PINIT# / DIR#
C15
D16
STROBE# / nc
AUTOFD# / DRVEN0
C16
SLCTIN# / STEP#
E15
SLCT / WGATE#
E13
ACK# / DS1#
B13
ERROR# / HDSEL#
A15
BUSY / MTR1#
C13
PE / WDATA#
D13
PD7 / nc,
A13,
E14,
PD6 / nc,
PD5 / nc,
D14,
C14,
PD4 / DSKCHG#,
B14,
PD3 / RDATA#,
A14,
PD2 / WRTPRT#,
D15,
PD1 / TRK00#,
B15
PD0 / INDEX#
As shown by the alternate functions above, in mobile applications the parallel port pins can optionally be selected to function as a
floppy disk interface for attachment of an external floppy drive using the parallel port connector (see Super I/O Configuration
Index F6[5]).
Revision 1.71 June 9, 2000

Parallel Port Interface

I/O
Signal Description
IO / O
Initialize. Initialize printer. Output in standard mode, I/O in ECP/EPP mode.
IO / -
Strobe. Output used to strobe data into the printer. I/O in ECP/EPP mode.
IO / O
Auto Feed. Output used to cause the printer to automatically feed one line after
each line is printed. I/O pin in ECP/EPP mode.
IO / O
Select In. Output used to select the printer. I/O pin in ECP/EPP mode.
I / O
Select. Status output from the printer. High indicates that it is powered on.
I / O
Acknowledge. Status output from the printer. Low indicates that it has received
the data and is ready to accept new data
I / O
Error. Status output from the printer. Low indicates an error condition in the
printer.
I / O
Busy. Status output from the printer. High indicates not ready to accept data.
I / O
Paper End. Status output from the printer. High indicates that it is out of paper.
IO / -
Parallel Port Data.
IO / -
IO / -
IO / I
IO / I
IO / I
IO / I
IO / I
-16-
VT82C686B
Pinouts