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SCD1283 bảng dữ liệu(PDF) 20 Page - Intel Corporation

tên linh kiện SCD1283
Giải thích chi tiết về linh kiện  IEEE 1284-Compatible Parallel Interface
PDF  94 Pages
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nhà sản xuất  INTEL [Intel Corporation]
Trang chủ  http://www.intel.com
Logo INTEL - Intel Corporation

SCD1283 bảng dữ liệu(HTML) 20 Page - Intel Corporation

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CD1283 — IEEE 1284-Compatible Parallel Interface
20
Datasheet
Table 2.
Virtual Registers
Name
Hex
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
EOSRR
60
X †
XX
XXX
XX
56
PIVR
40
X
X
X
X
X
IT2
IT1
IT0
56
†
‘X’ indicates ‘don’t care’.
Table 3.
Parallel Pipeline Registers
Name
Hex
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
DER
33
DMAwrerr
DMArderr
Bufwrerr
Bufrderr
HR1wrerr
HR1rderr
HR2wrerr
HR2rderr
57
DMABUF
(High
byte)
30
15
14
13
12
11
10
9
8
58
DMABUF
(Low byte)
30
7
6
5
4
3
2
1
0
58
HRSR
34
HR1full
HR1tag
HR2full
HR2tag
DMAfull
DMAempty
DMAact
Ctnot0
58
HTVR
24
HTVR[7]
HTVR[6]
HTVR[5]
HTVR[4]
HTVR[3]
HTVR[2]
HTVR[1]
HTVR[0]
59
LIVR
18
User-Defined Bits
IT2
IT1
IT0
60
PACR
3F
ShrtTen
ShrtStal
StaleOff
FIFOlock
ClearTO
0
AsyncDM
A
0
61
PCRR
6C
0
0
0
0
0
0
0
PChReset
61
PFCR
31
FIFOres
DMAen
DMAdir
IntEn
RLEen
setTAG
ErrEn
DMAbufWe
62
PFEP
39
0
0
6-Bit Binary FIFO Pointer Value
63
PFFP
38
0
0
6-Bit Binary FIFO Pointer Value
63
PFHR1
35
8-Bit Character Data
63
PFHR2
36
8-Bit Character Data
63
PFQR
3A
Data or Space Available in FIFO — Max 0x40
64
PFSR
32
FFfull
FFempty
Timeout
HRtag
HRdata
Stale
OneChar
DataErr
64
PFTR
3B
0
DMA Transfer Threshold
65
RLCR
37
0
7-Bit Unsigned Binary Count
66
SDTCR
3D
8-Bit Stale Data Timer Count
66
SDTPR
3C
8-Bit Stale Data Timeout Value
67
Table 4.
Parallel Port Registers (Sheet 1 of 2)
Name
Hex
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
EAR
25
8-Bit Binary Value
67
IVR
2E
0
0
0
0
A1284
nInit
HstBsy
HstClk
67
MDR
21
8-Bit Binary Data
68
NER
28
0
RID
0
EPP
RLE
ECP
RVB
RVN
68
NSR
29
NegOK
NegFl
HostTO
Invalid
4-Bit Negotiation Result Code
69



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