CD2231 Intel Corporation, CD2231 Datasheet - Page 22

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

CD2231 — Intelligent Two-Channel LAN and WAN Communications Controller
4.1.4
4.1.4.1
4.1.5
4.1.6
22
Name
CCR
STCR
CSR
MSVR-RTS
MSVR-DTR
Name
LIVR
IER
LICR
STK
Name
RPILR
RIR
RISR
RISRl
RISRh
RFOC
RDR
REOIR
Name
TPILR
TIR
TISR
TFTC
TDR
TEOIR
Description
Description
Receive Priority Interrupt Level Register
Receive Interrupt Register
Receive Interrupt Status Register
Receive Interrupt Status Register low
Receive Interrupt Status Register high
Receive FIFO Output Count
Receive Data Register
Receive End of Interrupt Register
Description
Local Interrupt Vector Register
Interrupt Enable Register
Local Interrupting Channel Register
Stack Register
Transmit Priority Interrupt Level Register
Transmit Interrupt Register
Transmit Interrupt Status Register
Transmit FIFO Transfer Count
Transmit Data Register
Transmit End of Interrupt Register
Description
Channel Command Register
Special Transmit Command Register
Channel Status Register
Modem Signal Value Registers
Channel Command and Status Registers
Interrupt Registers
Receive Interrupt Registers
Transmit Interrupt Registers
Mode
Mode
Mode
Mode
Addr.
Addr.
Addr.
Addr.
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
P
P
P
P
P
P
P
P
1
1
1
1
INT
INT
INT
INT
EF
DC
DD
E3
8A
8A
8B
F8
EE
0A
12
25
E0
33
87
E2
89
83
F8
86
10
11
19
2
2
2
2
MOT
MOT
MOT
MOT
ED
DE
E1
F8
EC
DF
09
26
E2
88
89
88
30
84
E0
8A
80
F8
85
13
1A
11
12
3
3
3
3
Size
Size
Size
Size
W
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
Access
Access
Access
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
R
R
R
R
R
R
W
W
R
R
R
R
R
Datasheet
Page
Page
Page
Page
125
126
127
127
130
131
131
131
112
115
117
121
121
122
123
124
125
133
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136
136