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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 32/82頁(yè) |
| 文件大小： | 918K |
| 代理商： | W89C840AF |
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W89C840AF
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32
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Publication Release Date:October 2000
Revision 1.01
29
R/W
RMA
Received Master Abort.
The RMA will be set if 840 master transaction take a master
abort.
28
R/W
RTA
Received Target Abort.
The RTA will be set if the 840 master transaction is terminated by
a target abort.
27
R/W
STA
Signaled Target Abort.
The STA will be set if the W89C840AF slave transaction take a
target abort.
26:25
R
DT
DEVSEL# Timing:
Fixed at 01 to indicate a medium DEVSEL# assert timing.
24
R/W
DPED
Data Parity Error Detected.
The DPED will be set if the following three conditions are met:
1). The W89C840AF asserts PERRB or detects out that PERRB
asserted by other device.
2). The W89C840AF acts as a master in the transaction that the
error occurs.
3). The parity error response bit (bit 6) is set.
23
R
FBTBC
Fast Back to Back Capable.
Fixed at 1 to indicate capability of accepting fast back to back
transactions which are not accessing to the same target.
22:21
R
---
Reserved. Fixed at 0.
20
R
CAPS
Capabilities
Set 1 to indicate that W89C840A implements the PCI power
management capability.
After Hard-Reset, if PMCSP=1 then CAPS is fixed at 1.
After Hard-Reset, if PMCSP=0 then CAPS is fixed at 0.
19:9
R
---
Reserved. Fixed at 0.
8
R/W
SE
SERR# Enable.
Set SE high to enable the W89C840AF to assert SERR# if an
address parity error is detected. This bit and bit 6 must be set 1 to
signal SERR event.
7
R
----
Reserved. Fixed at 0.
6
R/W
PER
Parity Error Response.
Set PER to high to enable the W89C840AF to respond to parity
error.
When PER is reset, the W89C840AF will ignore any parity error
and continue the normal operation.
The W89C840AF internal parity checking and generation
function will not be disabled even PER is reset.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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 |
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