W83L517D Datasheet, PDF (94/138 Pages) Winbond – LPC SUPER I/O

W83L517D
TABLE 6-1-2 PARALLEL PORT CONNECTOR AND PIN DEFINITIONS
Host
Connector
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Pin Number of
W83627HF
36
31
30
29
28
27
26
24
23
22
21
19
18
35
34
33
32
Pin Attribute
SPP Pin Attribute EXT2FDD
O
nSTB
---
---
I/O
PD0
I
INDEX2#
I/O
PD1
I
TRAK02#
I/O
PD2
I
WP2#
I/O
PD3
I
RDATA2#
I/O
PD4
I
DSKCHG2#
I/O
PD5
---
---
I/O
PD6
OD
MOA2#
I/O
PD7
OD
DSA2#
I
nACK
OD
DSB2#
I
BUSY
OD
MOB2#
I
PE
OD
WD2#
I
SLCT
OD
WE2#
O
nAFD
OD
RWC2#
I
nERR
OD
HEAD2#
O
nINIT
OD
DIR2#
O
nSLIN
OD
STEP2#
Version 0.6
Pin Attribute EXTFDD
---
---
I
INDEX2#
I
TRAK02#
I
WP2#
I
RDATA2#
I
DSKCHG2#
---
---
---
---
---
---
OD
DSB2#
OD
MOB2#
OD
WD2#
OD
WE2#
OD
RWC2#
OD
HEAD2#
OD
DIR2#
OD
STEP2#
6.2 Enhanced Parallel Port (EPP)
TABLE 6-2 PRINTER MODE AND EPP REGISTER ADDRESS
A2
A1
A0
REGISTER
0
0
0
Data port (R/W)
0
0
1
Printer status buffer (Read)
0
1
0
Printer control latch (Write)
0
1
0
Printer control swapper (Read)
0
1
1
EPP address port (R/W)
1
0
0
EPP data port 0 (R/W)
1
0
1
EPP data port 1 (R/W)
1
1
0
EPP data port 2 (R/W)
1
1
1
EPP data port 2 (R/W)
Notes:
1. These registers are available in all modes.
2. These registers are available only in EPP mode.
NOTE
1
1
1
1
2
2
2
2
2
6.2.1 Data Swapper
The system microprocessor can read the contents of the printer's data latch by reading the data swapper.
87
Publication Release Date: Apr. 2000
Revision 0.60