W83627EHG Nuvoton Technology Corporation of America, W83627EHG Datasheet - Page 167

• Manufacturer Part Number: W83627EHG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627EHG

• 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

10. PARALLEL PORT
10.1 Printer Interface Logic
The W83627EHF/EHG/EF/EG parallel port can be attached to devices that accept eight bits of parallel
data at standard TTL level.
parallel port (SPP), the bi-directional parallel port (BPP), the Enhanced Parallel Port (EPP), and the
Extended Capabilities Parallel Port (ECP) on the parallel port.
The following tables show the pin definitions for different modes of the parallel port.
Notes:
n<name > : Active Low
1. Compatible Mode
2. High Speed Mode
3. For more information, please refer to the IEEE 1284 standard.
CONNECTOR
HOST
2-9
10
11
12
13
14
15
16
17
1
W83627EHF/EHG/
PIN NUMBER
31-26, 24-23
EF/EG
OF
36
22
21
19
18
35
34
33
32
The W83627EHF/EHG/EF/EG supports the IBM XT/AT compatible
PIN ATTRIBUTE
I/O
O
O
O
O
W83627EHF/EF, W83627EHG/EG
I
I
I
I
I
- 156 -
PD<0:7>
BUSY
nSLIN
nACK
SLCT
nAFD
nERR
nSTB
nINIT
SPP
PE
PD<0:7>
nDStrb
nAStrb
nWrite
Select
nError
nWait
EPP
nInit
Intr
PE
nSTB, HostClk
PD<0:7>
nACK, PeriphClk
BUSY, PeriphAck
PEerror, nAckReverse
SLCT, Xflag
nAFD, HostAck
nFault
nINIT
nSLIN
1
1
1
, nReverseRqst
, nPeriphRequest
, ECPMode
ECP
2
2
2
2
2
2
2
2
2