CD2231 Intel Corporation, CD2231 Datasheet - Page 24

• 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
4.1.8
4.2
4.2.1
24
Name
ATBSTS
BTBSTS
TCBADRL
TCBADRU
Name
TPR
RTPR
RTPRl
RTPRh
GT1
GT1l
GT1h
GT2
TTR
Description
Description
Timer Period Register
Receive Timeout Period Register
Receive Timeout Period Register low
Receive Timeout Period Register high
General Timer 1
General Timer 1 low
General Timer 1 high
General Timer 2
Transmit Timer Register
A Transmit Buffer Status
B Transmit Buffer Status
Transmit Current Buffer Address Lower
Transmit Current Buffer Address Upper
Timer Registers
Register Definitions
Global Registers
Global Firmware Revision Code Register (GFRCR)
Channel Access Register (CAR)
0
0
0
Firmware Revision Code
Mode
Mode
Addr.
Addr.
G
P
P
P
P
P
P
P
P
P
P
P
P
0
1
1
INT
INT
5C
5D
D8
2A
2A
3A
26
26
27
28
28
29
38
2
2
0
MOT
MOT
DA
2A
2B
2A
5F
5E
3A
38
24
25
24
29
29
82
EC
3
3
0
81
EE
Size
Size
W
W
W
W
B
B
B
B
B
B
B
B
B
B
B
0
Access
Access
Async
Async
Async
Async
Sync
Sync
Sync
Sync
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R/W
R/W
Datasheet
C0
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Page
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