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參數資料
型號: W89C841F
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 3-IN - 1 10/100M FAST ETHERNET CONTROLLER
中文描述: 2 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP128
封裝: 14 X 20 X 2.75 MM, QFP-128
文件頁數: 41/102頁
文件大小: 1154K
代理商: W89C841F
W89C841F/D
Publication Release Date: October 18, 2001
- 41 -
Revision A3
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
31:13
R/W
EROMB
Expansion ROM Base Address
Written by power-on software to specify expansion ROM
base address. W89C841F will request up to 256K bytes
memory space for the on board Boot ROM according the
configuration of bit BROMSEL of register
Dc0/DBRAR[30:28].
12:1
R
---
Reserved. Fixed at 0.
0
R/W
ROME
Expansion ROM Enable
Set both of this bit and memory space bit of register
F04/FCS[1] to 1 to enable expansion ROM access ability.
F34/FCAPPR Capabilities Pointer Register
W89C841F has the capabilities of Power Management and/or Vital Product Data. This register is read-
only and is used as the start pointer of capabilities list.
BIT
ATTRIBUTE
BIT NAME
DESCRIPTION
31:8
R
---
Reserved. Fixed at 0.
7:0
R
CAPPR
Capabilities Pointer
The value is dependent on the PMEn and VPDEn loaded
from EEPROM to decide the W89C841F power
management and VPD capability.
If PMEn = 1, CAPPR is set to DCh.
If PMEn = 0 and VPDEn = 1, CAPPR is set to E4h.
If PMEn = 0 and VPDEn = 0, CAPPR is set to 00h.
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相關代理商/技術參數
參數描述
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
W89C92 制造商:WINBOND 制造商全稱:Winbond 功能描述:PCMCIA ETHERNET NETWORK TWISTED PAIR INTERFACE CONTROLLER
W89C926 制造商:WINBOND 制造商全稱:Winbond 功能描述:PCMCIA ETHERNET NETWORK TWISTED PAIR INTERFACE CONTROLLER
W89C926F 制造商:WINBOND 制造商全稱:Winbond 功能描述:10M PCMCIA Ethernet Network Interface Controller