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參數(shù)資料
| 型號： | RTL8019AS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Realtek Full-Duplex Ethernet Controller with Plug and Play Function (RealPNP) |
| 中文描述： | 瑞昱全雙工以太網(wǎng)控制器即插即用功能（RealPNP） |
| 文件頁數(shù)： | 34/50頁 |
| 文件大小： | 992K |
| 代理商： | RTL8019AS |
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8019AS.doc
2001-05-10
·R￥bééa￥÷|3--¤￥q
SPECIFICATION
RTL8019AS
34
6.2.3. Plug and Play Isolation Sequence
The Plug and Play isolation sequence is divided into four states:
Wait for Key
,
Sleep
,
Isolation
,
and
Config
states. The state transitions for the Plug and Play ISA card are shown below.
Power up
RSTDRV or
Reset command
Wait for Key
State
Active Commands
no active
commands
Sleep
State
Active Commands
Reset
Reset CSN
Wait for Key
Wake [CSN]
Isolation
State
Active Commands
Reset
Reset CSN
Wait for Key
Set RD_DATA Port
Serial isolation
Wake [CSN]
Set CSN
Config
State
Active Commands
Reset
Reset CSN
Wait for Key
Wake [CSN]
Resource Data
Status
Logical Device
I/O Range Check
Activate
Configuration Registers
Set CSN
(WAKE=0) AND (CSN=0)
(WAKE<>0) AND (WAKE=CSN)
Lose serial isolation OR
(WAKE<>CSN)
WAKE<>CSN
NOTES:
1. CSN= Card Select Number
2. RSTDRV causes a state transition
from the current state to Wait for Key and sets all CSNs to zero
3. The Wait for Key command causes a state transition from the
current state to Wait for Key
4. The Reset CSN commands include PnP Reset CSN and RT Reset CSN commands.
The former sets all ISA PnP cards' CSNs to zero while the latter only sets RTL8019
PnP cards' CSNs to zero. Both commands do not cause a state transition.
Set CSN=0
initiation key
Figure 4. Plug and Play ISA Card State Transitions
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相關代理商/技術參數(shù) |
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|---|---|
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| RTL8029AS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Realtek PCI Full-Duplex Ethernet Controller with built-in SRAM |
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