W83627DHG Nuvoton Technology Corporation of America, W83627DHG Datasheet - Page 158

• Manufacturer Part Number: W83627DHG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627DHG

• Applications: PC's, PDA's
• Interface: LPC
• Voltage - Supply: 3.3V
• Package / Case: 128-XFQFN
• Mounting Type: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Continued
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.
Notes:
1. These registers are available in all modes.
2. These registers are available only in EPP mode.
Each register (or pair of registers, in some cases) is discussed below.
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)
HOST CONNECTOR
REGISTER
A2
0
0
0
0
0
1
1
1
1
12
13
14
15
16
17
A1
PD7
BUSY# ACK#
1
1
PD7
PD7
PD7
PD7
PD7
0
0
1
1
1
0
0
1
1
7
PIN NUMBER OF W83627DHG
PD6
1
1
PD6
PD6
PD6
PD6
PD6
6
A0
0
1
0
0
1
0
1
0
1
PD5
PE
1
DIR
PD5
PD5
PD5
PD5
PD5
19
18
35
34
33
32
5
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)
PD4
SLCT
IRQEN
IRQ
PD4
PD4
PD4
PD4
PD4
-146-
4
REGISTER
PD3
ERROR#
SLIN
SLIN
PD3
PD3
PD3
PD3
PD3
3
PIN ATTRIBUTE
Publication Release Date: Aug, 22, 2007
PD2
1
INIT#
INIT#
PD2
PD2
PD2
PD2
PD2
O
O
O
I
I
I
2
W83627DHG
PD1
1
AUTOFD# STROBE#
AUTOFD# STROBE#
PD1
PD1
PD1
PD1
PD1
1
NOTE
nSLIN
nERR
SLCT
nAFD
nINIT
1
1
1
1
2
2
2
2
2
PD0
TMOUT
PD0
PD0
PD0
PD0
PD0
Version 1.4
SPP
PE
0