w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 56

• Manufacturer Part Number: w83977eg
• Description: Winbond Isa I/o W83977ef W83977eg
• Manufacturer: Winbond Electronics Corp America

TABLE 5-1-2 PARALLEL PORT CONNECTOR AND PIN DEFINITIONS
7.2
TABLE 7-2 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
Enhanced Parallel Port (EPP)
PIN NUMBER OF
A1
W83977EF
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)
W83977EF-AW/W83977EG-AW
BUSY
nERR
nSLIN
nACK
SLCT
nAFD
nSTB
nINIT
SPP
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PE
-54-
ATTRIBUT
PIN
OD
OD
OD
OD
OD
OD
OD
OD
OD
OD
---
---
E
REGISTER
I
I
I
I
I
DSKCHG2#
EXT2FDD
RDATA2#
TRAK02#
INDEX2#
HEAD2#
STEP2#
RWC2#
MOA2#
MOB2#
DSA2#
DSB2#
WD2#
DIR2#
WP2#
WE2#
---
---
ATTRIBUT
PIN
OD
OD
OD
OD
OD
OD
OD
OD
---
---
---
---
E
I
I
I
I
I
DSKCHG2#
RDATA2#
TRAK02#
INDEX2#
EXTFDD
HEAD2#
STEP2#
RWC2#
NOTE
MOB2#
DSB2#
DIR2#
WP2#
WD2#
WE2#
---
1
1
1
1
2
2
2
2
2
---
---
---