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參數資料
型號: W89C840AF
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 100/10Mbps Ethernet Controller
中文描述: 1 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP128
封裝: PLASTIC, QFP-128
文件頁數: 43/82頁
文件大小: 918K
代理商: W89C840AF
W89C840AF
-
43
-
Publication Release Date:October 2000
Revision 1.01
Code
Abbr.
Meaning
Base offset from
FBIOA, FBMA
C00
CBCR
Bus Control
00H
C04
CTSDR
Transmit Start Demand
04H
C08
CRSDR
Receive Start Demand
08H
C0C
CRDLA
Receive Descriptor List Address
0CH
C10
CTDLA
Transmit Descriptor List Address
10H
C14
CISR
Interrupt Status
14H
C18
CNCR
Network Configuration
18H
C1C
CIMR
Interrupt Mask
1CH
C20
CFDCR
Frame Discarded Counter
20H
C24
CMIIR
MII Management and ROM
24H
C28
CBROA
Boot ROM Offset Address
28H
C2C
CGTP
General Timer
2CH
C30
CRDAR
Current Receive Descriptor Address
30H
C34
CRBAR
Current Receive Buffer Address
34H
C38
CMA0
Multicast Address 0
38H
C3C
CMA1
Multicast Address 1
3CH
C40
CPA0
Physical Address 0
40H
C44
CPA1
Physical Address 1
44H
C48
CBRCR
Boot ROM Size Configuration
48H
C4c
CTDAR
Current Transmit Descriptor Address
4cH
C50
CTBAR
Current Transmit Buffer Address
50H
C54~CFF
reserved
reserved
reserved
This table lists the initial state of each register in the W89C840AF after hardware reset and software reset
separately.
Code
Abbr.
hardware reset
software reset
C00
CBCR
00000010H
00000010H
C04
CTSDR
00000000H
00000000H
C08
CRSDR
00000000H
00000000H
C0C
CRDLA
00000000H
00000000H
C10
CTDLA
00000000H
00000000H
C14
CISR
03800000H
03800000H
C18
CNCR
20000030H
20000030H
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