w83977ctf Winbond Electronics Corp America, w83977ctf Datasheet - Page 73

• Manufacturer Part Number: w83977ctf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

TABLE 5-1-2 PARALLEL PORT CONNECTOR AND PIN DEFINITIONS
5.2 Enhanced Parallel Port (EPP)
TABLE 5-2 PRINTER MODE AND EPP REGISTER ADDRESS
Notes:
1. These registers are available in all modes.
2. These registers are available only in EPP mode.
CONNECTOR
HOST
A2
0
0
0
0
0
1
1
1
1
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
PIN NUMBER OF
W83977EF/CTF
A1
0
0
1
1
1
0
0
1
1
36
31
30
29
28
27
26
24
23
22
21
19
18
35
34
33
32
A0
0
1
0
0
1
0
1
0
1
ATTRIBUTE
PIN
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
I
I
I
I
I
Data port (R/W)
Printer status buffer (Read)
Printer control latch (Write)
Printer control swapper (Read)
EPP address port (R/W)
EPP data port 0 (R/W)
EPP data port 1 (R/W)
EPP data port 2 (R/W)
EPP data port 2 (R/W)
-64 -
BUSY
nERR
nSLIN
nACK
SLCT
nAFD
nSTB
nINIT
SPP
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PE
ATTRIBUTE
REGISTER
PIN
OD
OD
OD
OD
OD
OD
OD
OD
OD
OD
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I
I
I
I
I
Publication Release Date: March 1999
DSKCHG2#
EXT2FDD
RDATA2#
TRAK02#
INDEX2#
HEAD2#
STEP2#
RWC2#
MOA2#
MOB2#
DSA2#
DSB2#
WD2#
DIR2#
WP2#
WE2#
W83977EF/ CTF
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PRELIMINARY
ATTRIBUTE
PIN
OD
OD
OD
OD
OD
OD
OD
OD
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I
I
I
I
I
Revision A1
NOTE
DSKCHG2#
RDATA2#
TRAK02#
1
1
1
1
2
2
2
2
2
INDEX2#
EXTFDD
HEAD2#
STEP2#
RWC2#
MOB2#
DSB2#
WP2#
WD2#
WE2#
DIR2#
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