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參數(shù)資料
| 型號： | W89C940 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | ELANC-PCI (TWISTED-PAIR ETHER-LAN CONTROLLER WITH PCI INTERFACE) |
| 中文描述： | ELANC -的PCI（雙絞線醚局域網(wǎng)控制器帶有PCI接口） |
| 文件頁數(shù)： | 8/61頁 |
| 文件大小： | 353K |
| 代理商： | W89C940 |
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W89C940
8
POWER PINS
NAME
NUMBER
TYPE
DESCRIPTION
AGND
80
I
Analog Ground:
Ground pin for internal analog circuitry.
It is recommended that there is a decoupling capacitor connected between the
power supply pins and ground pins. A RC low pass filter is also recommended to
be used for analog power supply.
Note: Signal Type Definition
in
out
t/s
s/t/s
Input is a standard input-only signal
Totem Pole output is a standard active driver.
Tri-State is a bi-directional, tri-state input/output pin.
Sustained Tri-State is an active low tri-state signal owned and driven by one and only one agent
at a time. The agent that drives an s/t/s pin low must drive it high for at least one clock before
letting it float. A new agent cannot start driving a s/t/s signal any sooner than one clock after the
previous owner tri-states it. A pull-up is required to sustain the inactive state until another agent
drives it, and must be provided by the central resource.
Open Drain allows multiple devices to share as a wire-OR.
o/d
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