W83627DHG Datasheet, PDF (158/268 Pages) Winbond – WINBOND LPC I/O

W83627DHG
Continued
HOST CONNECTOR
12
13
14
15
16
17
PIN NUMBER OF W83627DHG
19
18
35
34
33
32
PIN ATTRIBUTE
I
I
O
I
O
O
SPP
PE
SLCT
nAFD
nERR
nINIT
nSLIN
12.2 Enhanced Parallel Port (EPP)
The following table lists the registers used in the EPP mode and identifies the bit map of the parallel
port and EPP registers. Some of the registers are used in other modes as well.
A2
A1
A0
REGISTER
NOTE
0
0
0
Data port (R/W)
1
0
0
1
Printer status buffer (Read)
1
0
1
0
Printer control latch (Write)
1
0
1
0
Printer control swapper (Read)
1
0
1
1
EPP address port (R/W)
2
1
0
0
EPP data port 0 (R/W)
2
1
0
1
EPP data port 1 (R/W)
2
1
1
0
EPP data port 2 (R/W)
2
1
1
1
EPP data port 2 (R/W)
2
Notes:
1. These registers are available in all modes.
2. These registers are available only in EPP mode.
REGISTER
Data Port (R/W)
Status Buffer (Read)
Control Swapper (Read)
Control Latch (Write)
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 3 (R/W)
7
6
PD7 PD6
BUSY# ACK#
1
1
1
1
PD7 PD6
PD7 PD6
PD7 PD6
PD7 PD6
PD7 PD6
5
4
3
2
PD5
PD4
PD3
PD2
PE
SLCT
ERROR# 1
1
IRQEN SLIN
INIT#
DIR
IRQ
SLIN
INIT#
PD5
PD4
PD3
PD2
PD5
PD4
PD3
PD2
PD5
PD4
PD3
PD2
PD5
PD4
PD3
PD2
PD5
PD4
PD3
PD2
Each register (or pair of registers, in some cases) is discussed below.
1
0
PD1
PD0
1
TMOUT
AUTOFD# STROBE#
AUTOFD# STROBE#
PD1
PD0
PD1
PD0
PD1
PD0
PD1
PD0
PD1
PD0
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Publication Release Date: Aug, 22, 2007
Version 1.4