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CD1865 Datasheet(PDF) 97 Page - Intel Corporation

Part # CD1865
Description  Intelligent Eight-Channel Communications Controller
PDF  150 Pages
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Manufacturer  INTEL [Intel Corporation]
Direct Link  http://www.intel.com
Logo INTEL - Intel Corporation

CD1865 Datasheet(HTML) 97 Page - Intel Corporation

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Intelligent Eight-Channel Communications Controller — CD1865
Datasheet
97
9.2
Global Registers
Global registers provide a function common to all channels. There are two groups of Global
registers: those that control the configuration of the CD1865 and those that control service
requests/interrupts.
Indexed Indirect Registers
RDCR
0
0
0
0
CT3
CT2
CT1
CT0
RDR
D7
D6
D5
D4
D3
D2
D1
D0
RCSR
Time-Out
SC Det2
SC Det1
SC Det0
Break
PE
FE
OE
TDR
D7D6
D5D4D3
D2
D1D0
EOSRR
Irrelevant Value
Channel Registers
SRER
DSR
CD
CTS
RxD
RxSC
TxRdy
TxMpty
NNDT
CCR
RESET
CHAN
COR
CHNG
SEND SP
CH
CHAN CTL
D3
D2
D1
D0
COR1
Parity
PArM1
ParM0
Ignore
Stop 1
Stop 0
CHL 1
CHL 0
COR2
IXM
TxIBE
ETC
LLM
RLM
RtsAO
CtsAE
DsrAE
COR3
Xon CH
Xoff CH
FCT
SCDE
RxTH3
RxTH2
RxTH1
RxTH0
CCSR
RxEN
RxFloff
RxFlon
Not Used
TxEn
TxFloff
TxFlon
Not Used
RBR
Reserved
RxD
Start Hunt
Reserved
Reserved
Reserved
Reserved
Reserved
RTPR
Receiver Data Time Out Period
RBPRH
Receive Bit Rate Divisor Byte High
RBPRL
Receive Bit Rate Divisor Byte Low
TBPRH
Transmit Bit Rate Divisor Byte High
TBPRL
Transmit Bit Rate Divisor Byte Low
SCHR1
Special Character 1
SCHR2
Special Character 2
SCHR3
Special Character 3
SCHR4
Special Character 4
MCR
DSRchg
Cdchg
CTSchg
0
0
0
0
0
MCOR1
DSRzd
Cdzd
CTSzd
0
DTRth3
DTRth2
DTRth1
DTRth0
MCOR2
DSRod
Cdod
CTSod
0
0
0
0
0
MSVR
DSR
CD
CTS
Not Used
Not Used
Not Used
DTR
RTS
MSVRTS
00
000
00
RTS
MSVDTR
00
000
0
DTR
0
Table 9.
Register Summary (Sheet 2 of 2)
Name
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0



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