參數(shù)資料
型號: W83977TF(EOL)
英文描述: W83877TF plus KBC. CIR. RTC
中文描述: W83877TF加比聯(lián)。稅務(wù)局局長。時鐘
文件頁數(shù): 73/161頁
文件大?。?/td> 592K
代理商: W83977TF(EOL)
W83977EF/ CTF
PRELIMINARY
Publication Release Date: March 1999
-64 -
Revision A1
TABLE 5-1-2
PARALLEL PORT CONNECTOR AND PIN DEFINITIONS
HOST
CONNECTOR
PIN NUMBER OF
W83977EF/CTF
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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