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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： | 50/82頁 |
| 文件大小： | 918K |
| 代理商： | W89C840AF |
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W89C840AF
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50
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Publication Release Date:October 2000
Revision 1.01
16
R
NIR
Normal Interrupt Report.
The normal interrupt report includes transmit completed interrupt,
transmit buffer unavailable interrupt and the receive completed
interrupt.
The NIR is a logical OR result of the bits 0, 2, 6 of the register
C14/CISR. Only the bits corresponding to the unmasked bits of
C1C/CIMR will affect this bit.
15
R
AIR
Abnormal Interrupt Report.
The abnormal interrupt includes transmit process in idle state
interrupt, receive early interrupt, receive error interrupt, transmit
FIFO under-flow interrupt, receive buffer unavailable interrupt,
receive idle state interrupt, transmit early interrupt, timer expire
interrupt and the bus error interrupt.
The AIR is a logical OR result of the bits 1, 3, 4, 5, 7, 8, 10, 11, 13
of the register C14/CISR. Only these bits corresponding to the
unmasked bits of the C1C/CIMR will affect this bit.
14
R
---
Reserved. Fixed at 0.
13
R/W
BE
Bus Error.
A high indicates a bus error happened. The error type will be shown
by bit 25~23.
12
R
---
Reserved. Fixed at 0.
11
R/W
TE
Timer Expired.
A high indicates the general timer (C2C/CGTR) expired.
10
R/W
TEI
Transmit Early Interrupt
The W89C840AF will has Transmit Early Interrupt status set after
the packet to be transmitted is completely transferred into the
transmit FIFO if Transmit Early Interrupt On bit of C18/CNCR is
set.
The TEI will be cleared automatically after the packet is transmitted
out from the transmit FIFO completely.
9
R
---
Reserved. Fixed at 0.
8
R/W
RIDLE
Receive in Idle State.
Set means the receive DMA state machine is in the idle state.
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相關代理商/技術參數 |
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| 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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