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SCD1284 датащи(PDF) 26 Page - Intel Corporation

номер детали SCD1284
подробное описание детали  IEEE 1284-Compatible Parallel Interface Controller with Two High-Speed Asynchronous Serial Ports
PDF  176 Pages
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производитель  INTEL [Intel Corporation]
домашняя страница  http://www.intel.com
Logo INTEL - Intel Corporation

SCD1284 датащи(HTML) 26 Page - Intel Corporation

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CD1284 — IEEE 1284-Compatible Parallel Interface Controller
26
Datasheet
Table 6.
Channel Registers — Parallel Pipeline
(Selected by Channel 0 in CAR)
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
136
DMABUF
(H)
30
15
14
13
12
11
10
9
8
137
DMABUF
(L)
30
7
6
5
4
3
2
1
0
137
HRSR
34
HR1full
HR1tag
HR2full
HR2tag
DMAfull
DMAmpty
DMAact
Ctnot0
138
LIVR
18
User-Defined Bits
IT2
IT1
IT0
138
PACR
3F
ShrtTen
ShrtStal
StaleOff
FIFOlock
ClearTO
0
AsyncDMA
Unfair
139
PCRR
6C
0
0
0
0
0
0
0
PChReset
140
PFCR
31
FIFOres
DMAen
DMAdir
IntEn
RLEen
setTAG
ErrEn
DMAbufWe
140
PFEP
39
0
0
6-Bit Binary FIFO Pointer Value
141
PFFP
38
0
0
6-Bit Binary FIFO Pointer Value
142
PFHR1
35
8-Bit Character Data
142
PFHR2
36
8-Bit Character Data
142
PFQR
3A
Data or Space Available in FIFO — Max 0x’40
143
PFSR
32
FFfull
FFempty
Timeout
HRtag
HRdata
Stale
OneChar
DataErr
143
PFTR
3B
0
DMA Transfer Threshold
144
RLCR
37
0
7-Bit Unsigned Binary Count
144
SDTCR
3D
8-Bit Stale Data Timer Count
145
SDTPR
3C
8-Bit Stale Data Timeout Value
145
Table 7.
Channel Registers — Parallel Port
(Selected by Channel 0 in CAR) (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
146
HTVR
24
HTVR[7]
HTVR[6]
HTVR[5]
HTVR[4]
HTVR[3]
HTVR[2]
HTVR[1]
HTVR[0]
146
IVR
2E
0
0
0
0
A1284
nInit
HstBsy
HstClk
147
MDR
21
8-Bit Binary Data
148
NER
28
0
RID
0
EPP
RLE
ECP
RVB
RVN
148
NSR
29
NegOK
NegFl
HostTO
ImedTerm
4-Bit Negotiation Result Code
148
ODR
2D
0
0
0
0
A1284
nInit
HstBsy
HstClk
149
OVR
2B
PerBsy
PerClk
AkDaRq
xFlag
nDatAv
0
0
0
150
PCIER
22
0
TimEn
NegCh
SigCh
EPPAW
DirCh
IDReq
nINIT
150
PCISR
23
0
TimeOvr
NegCh
SigCh
EPPAW
DirCh
IDReq
nINIT
150
PCR
20
ManMd
E1284
ETxfr
Ig_SEL
HTmrTst[1:0]
MMDir
ManOE
151
SCR
2A
0
0
0
TstMux
ClrPs
SetPs
EPIrq
RevRq
152



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