W83977EF Winbond Electronics Corp America, W83977EF Datasheet - Page 62

• Manufacturer Part Number: W83977EF
• Description: Description = W83877TF Plus Kbc, GP I/O, Wake-Up, Power Fail Resume ;; Package = QFP 128
• 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
5.2.1
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
Data Swapper
A1
0
0
1
1
1
0
0
1
1
W83977EF
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)
-56 -
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
---
---
I
I
I
I
I
Publication Release Date: April 2003
DSKCHG2#
EXT2FDD
RDATA2#
TRAK02#
INDEX2#
HEAD2#
STEP2#
RWC2#
MOA2#
MOB2#
DSA2#
DSB2#
WD2#
DIR2#
WP2#
WE2#
---
---
ATTRIBUTE
W83977EF
PIN
OD
OD
OD
OD
OD
OD
OD
OD
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---
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I
I
I
I
I
Revision 1.1
NOTE
DSKCHG2#
RDATA2#
TRAK02#
1
1
1
1
2
2
2
2
2
INDEX2#
EXTFDD
HEAD2#
STEP2#
RWC2#
MOB2#
DSB2#
WD2#
DIR2#
WP2#
WE2#
---
---
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