CD2231

Manufacturer Part NumberCD2231
DescriptionCD2231 Intelligent Two-channel Lan And Wan Communications Controller
ManufacturerIntel Corporation
CD2231 datasheet
 
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Intelligent Two-Channel LAN and WAN Communications Controller — CD2231
4.2.5.2
Transmit Interrupt Registers
Transmit Priority Interrupt Level Register (TPILR)
Transmit Interrupt Register (TIR)
Ten
Tact
Transmit Interrupt Status Register (TISR)
Berr
EOF
Transmit FIFO Transfer Count (TFTC)
0
0
Transmit Data Register (TDR)
D7
D6
Transmit End of Interrupt Register (TEOIR)
TermBuff
EOF
4.2.5.3
Modem/Timer Interrupt Registers
Modem Priority Interrupt Level Register (MPILR)
Modem Interrupt Register (MIR)
Men
Mact
Modem (/Timer) Interrupt Status Register (MISR)
DSRChg
CDChg
Modem End of Interrupt Register (MEOIR)
0
0
4.2.6
DMA Registers
DMA Mode Register (DMR)
EnSync
0
Datasheet
Teoi
0
Tvct [1]
EOE
UE
BA/BB
0
TxCt4
TxCt3
D5
D4
D3
SetTm2
SetTm1
Notrans
Meo
0
Mvct [1]
CTSChg
res
res
SetTm2
SetTm1
0
0
0
ByteDMA
E2
E0
B
R/W
EE
EC
B
R
Tvct [0]
0
Tcn [0]
89
8A
B
R
0
TxEmpty
TxDat
83
80
B
R
TxCt2
TxCt1
TxCt0
F8
F8
B
W
D2
D1
D0
86
85
B
W
0
0
0
E1
E3
B
R/W
ED
EF
B
R
Mvct [0]
0
Mcn [0]
88
8B
B
R
res
Timer2
Timer1
85
86
B
W
0
0
0
F4
F6
F8
W
0
0
0
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