CD2231 Intel Corporation, CD2231 Datasheet - Page 31

• Manufacturer Part Number: CD2231
• Description: CD2231 Intelligent Two-channel Lan And Wan Communications Controller
• Manufacturer: Intel Corporation

4.2.5.2
4.2.5.3
4.2.6
Datasheet
Transmit Interrupt Registers
Transmit Priority Interrupt Level Register (TPILR)
Transmit Interrupt Register (TIR)
Transmit Interrupt Status Register (TISR)
Transmit FIFO Transfer Count (TFTC)
Transmit Data Register (TDR)
Transmit End of Interrupt Register (TEOIR)
Modem/Timer Interrupt Registers
Modem Priority Interrupt Level Register (MPILR)
Modem Interrupt Register (MIR)
Modem (/Timer) Interrupt Status Register (MISR)
Modem End of Interrupt Register (MEOIR)
DMA Registers
DMA Mode Register (DMR)
TermBuff
DSRChg
EnSync
Men
Berr
Ten
D7
0
0
Intelligent Two-Channel LAN and WAN Communications Controller — CD2231
CDChg
EOF
EOF
Mact
Tact
D6
0
0
0
CTSChg
SetTm2
SetTm2
EOE
Meo
Teoi
D5
0
0
SetTm1
SetTm1
TxCt4
UE
D4
res
0
0
0
ByteDMA
Notrans
Mvct [1]
Tvct [1]
BA/BB
TxCt3
D3
res
0
Mvct [0]
Tvct [0]
E2
EE
89
83
F8
86
E1
ED
88
85
F4
TxCt2
D2
res
0
0
0
0
EC
EF
E0
8A
80
F8
85
E3
8B
86
F6
TxEmpty
TxCt1
Timer2
B
B
B
B
B
B
B
B
F8
B
B
D1
0
0
0
0
0
R/W
R
R
R
W
W
R/W
R
R
W
W
Mcn [0]
Tcn [0]
TxCt0
Timer1
TxDat
D0
0
0
0
31