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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: 34/82頁
文件大小: 918K
代理商: W89C840AF
W89C840AF
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34
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Publication Release Date:October 2000
Revision 1.01
F10/FBIOA Base I/O Address Register
This register is written by software after power-on to specify W89C840AF base I/O address in the system.
Bit
Attribute
Bit name
Description
31: 7
R/W
BIOA
Base I/O Address.
Written by power-on software to specify base I/O address. The
W89C840AF requires a 128 bytes wide I/O space.
6:1
R
---
Reserved. Fixed at 0.
0
R
IO
I/O Space Indicator.
Fixed at 1.
F14/FBMA Base Memory Address Register
This register is written by power-on software
to specify W89C840AF base memory address in the system.
Bit
Attribute
Bit name
Description
31: 7
R/W
BMA
Base Memory Address.
Written by power-on software to specify base memory address. The
W89C840AF requires a 128 bytes wide memory space.
6:1
R
---
Reserved. Fixed at 0.
0
R
MEM
Memory Space Indicator.
Fixed at 0.
F2C/FSSID Subsystem ID Register
This register is loaded from the external EEPROM. The W89C840AF will issue a Retry signals to host when
the host tries to access to this register while the EEPROM auto-loading is not yet completed.
Bit
Attribute
Bit name
Description
31:16
R
SBID
Subsystem ID.
Loaded from EEPROM after Hardware reset de-asserted.
15:0
R
SBVID
Subsystem Vendor ID.
Loaded from EEPROM after Hardware reset de-asserted
F30/FERBA Expansion ROM Base Address Register
This register is written by power-on software
to specify the on-board boot ROM base address in the system.
Bit
Attribute
Bit name
Description
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相關代理商/技術參數
參數描述
W89C840F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN NODE CONTROLLER
W89C841D 制造商:WINBOND 制造商全稱:Winbond 功能描述:3-IN - 1 10/100M FAST ETHERNET CONTROLLER
W89C841F 制造商:WINBOND 制造商全稱:Winbond 功能描述:3-IN - 1 10/100M FAST ETHERNET CONTROLLER
W89C841F/D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:3-IN-1 100BASE-TX/FX & 10BASE-T Ethernet Controller
W89C880F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Hub Controller