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參數資料
型號: W83977TF
廠商: WINBOND ELECTRONICS CORP
英文描述: Multi-Function I/O Port Controller(用于個人計算機的多功能輸入/輸出口控制器)
中文描述: 多功能I / O端口控制器(用于個人計算機的多功能輸入/輸出口控制器)
文件頁數: 59/160頁
文件大?。?/td> 1012K
代理商: W83977TF
W83977TF
PRELIMINARY
Publication Release Date: March 1998
- 50 -
Revision 0.62
TABLE 5-1-2
PARALLEL PORT CONNECTOR AND PIN DEFINITIONS
HOST
CONNECTOR
PIN NUMBER OF
W83977TF
PIN
ATTRIBUTE
SPP
PIN
ATTRIBUTE
EXT2FDD
PIN
ATTRIBUTE
EXTFDD
1
36
O
nSTB
---
---
---
---
2
31
I/O
PD0
I
INDEX2
I
INDEX2
3
30
I/O
PD1
I
TRAK02
I
TRAK02
4
29
I/O
PD2
I
WP2
I
WP2
5
28
I/O
PD3
I
RDATA2
I
RDATA2
6
27
I/O
PD4
I
DSKCHG2
---
I
DSKCHG2
---
7
26
I/O
PD5
---
---
8
24
I/O
PD6
OD
MOA2
---
---
9
23
I/O
PD7
OD
DSA2
---
---
10
22
I
nACK
OD
DSB2
OD
DSB2
11
21
I
BUSY
OD
MOB2
OD
MOB2
12
19
I
PE
OD
WD2
OD
WD2
13
18
I
SLCT
OD
WE2
OD
WE2
14
35
O
nAFD
OD
RWC2
OD
RWC2
15
34
I
nERR
OD
HEAD2
OD
HEAD2
16
33
O
nINIT
OD
DIR2
OD
DIR2
17
32
O
nSLIN
OD
STEP2
OD
STEP2
5.2 Enhanced Parallel Port (EPP)
TABLE 5-2
PRINTER MODE AND EPP REGISTER ADDRESS
A2
0
0
0
0
0
1
1
1
1
A1
0
0
1
1
1
0
0
1
1
A0
0
1
0
0
1
0
1
0
1
REGISTER
NOTE
1
1
1
1
2
2
2
2
2
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)
Notes:
1. These registers are available in all modes.
2. These registers are available only in EPP mode.
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W83977TF-P 制造商:WINBOND 制造商全稱:Winbond 功能描述:I/O chip disk drive adapter