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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： | 49/82頁 |
| 文件大小： | 918K |
| 代理商： | W89C840AF |
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W89C840AF
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49
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Publication Release Date:October 2000
Revision 1.01
C14/CISR Interrupt Status Register
Most bits of the C14/CISR report the interrupt status. The assertion of the interrupt status, reported by bits 0, 1, 2,
3, 4, 5, 6, 7, 8, 10, 11 and 13, and the corresponding interrupt mask bits will cause a hardware interrupt to the
host.
A write with 1
value the status bit will clear them and write 0 will have no effect.
Bit
Attribute
Bit name
Description
31:26
R
---
Reserved. Fixed at 0.
25:23
R
BET
Bus Error Type.
The field indicates the error type of bus error and is valid only when
bit 13, bus error, is set.
the assertion of these bits does not generate interrupt.
The definition of bus error is as follows.
BET[25:23] Error State
--------------- ------------------
000 Parity Error
001 Master Abort
010 Target Abort
011 Reserved.
1xx Reserved.
The meanings of the error type is described as following.
* Parity Error
--- When W89C840AF operates as a bus master, it can detect a
data parity error during a read transaction or sample PERRB
asserted on a write transaction if Parity Error Response bit (F04[6])
is set.
* Master Abort
--- When W89C840AF operates as a bus master, W89C840AF
terminates the read or write transaction with master abort.
* Target Abort
--- When W89C840AF operates as a bus master, the read or write
transaction is terminated with target abort.
The initial state of this field after reset is zero.
22:20
R
TPS
Transmit Process State.
This field indicates the transmit state. This field does not generate
interrupt.
19:17
R
RPS
Receive Process State.
This field indicates the receive state. This field does not generate
interrupt.
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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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