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W83627DHG
Publication Release Date: Aug, 22, 2007
-146- Version
1.4
Continued
HOST CONNECTOR
PIN NUMBER OF W83627DHG
PIN ATTRIBUTE
SPP
12 19 I
PE
13 18 I
SLCT
14 35 O
nAFD
15 34 I
nERR
16 33 O
nINIT
17 32 O
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 7
6 5 4 3 2 1 0
Data Port (R/W)
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
Status Buffer (Read)
BUSY# ACK#
PE
SLCT
ERROR#
1
1
TMOUT
Control Swapper (Read)
1
1
1
IRQEN
SLIN
INIT#
AUTOFD# STROBE#
Control Latch (Write)
1
1
DIR
IRQ
SLIN
INIT#
AUTOFD# STROBE#
EPP Address Port R/W)
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
EPP Data Port 0 (R/W)
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
EPP Data Port 1 (R/W) PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
EPP Data Port 2 (R/W)
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
EPP Data Port 3 (R/W)
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
Each register (or pair of registers, in some cases) is discussed below.
Содержание W83627DHG
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