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參數(shù)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(shù): 9/102頁
文件大小: 1154K
代理商: W89C841F
W89C841F/D
Publication Release Date: October 18, 2001
- 9 -
Revision A3
4. PIN DESCRIPTION
PCI Interface
SIGNAL NAME
PIN TYP.
PIN NO.
DESCRIPTION
PCICLK
I
117
PCI Clock Input
A. Normal and MAC mode
W89C841F supports PCI clock rate ranged from
25 MHz to 33 MHz continuously. All PCI signals
except PCI_RSTB and INTAB are referenced on
the rising edge of this clock.
B. PHYceiver mode
This pin should be pulled low.
PCI_RSTB/
PHY_RSTB
I
116
PCI Hardware Reset Signal (Normal and MAC mode)
When asserted (active low), all PCI output pins of
W89C841F will be in high impedance state, and all
open drain signals will be floated.
The configurations inside W89C841F will be in its
initial state. This signal must be asserted for a period
of at least 10
PCI clocks to correctly take effect of a
reset on hardware.
PHYceiver Reset (PHYceiver Mode)
This pin is used as to reset PHYceiver.
AD[31:12]
IO/TS
123
127,
2
4, 7
9,
12
16, 29,
32
34
PCI Multiplexed Address[31:12] and Data Bus[31:12]
During the first cycle that FRAMEB asserts, they act
as an address bus; on the other cycles, they are
switched to be a data bus.
AD[11]/
PWRDN
IO/TS/
I
35
PCI Multiplexed Address[11] and Data Bus[11]
(Normal and MAC mode)
Power Down Enable (PHYceiver Mode)
1: Power Saving.
0: Normal.
AD[10]/
INT
IO/TS/
O
36
PCI Multiplexed Address[10] and Data Bus[10]
(Normal and MAC mode)
PHY Interrupt (PHYceiver Mode)
Output low that is asserted to indicate an active
interrupt event has occurred.
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