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參數資料
| 型號： | W89C880F |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 通信及網絡 |
| 英文描述： | 100Base-Tx/T4 Multiport Repeater Controller(100Base-Tx/T4多端口中繼器控制器) |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP160 |
| 封裝： | PLASTIC, QFP-160 |
| 文件頁數： | 9/26頁 |
| 文件大小： | 313K |
| 代理商： | W89C880F |
W89C880F FastMPR
Publication Release Date: January 1997
- 9 -
Revision A1
SYSTEM DIAGRAM
Inter FastMPR
Interface
MII Mngrmnt
Bus
SRAM
Interface
MII interface
Port status report interface
Extension port
1
11
FastMPR
Figure 2
BLOCK DIAGRAM
MUX
Inter FastMPR
Logic
FIFO
Receive
Control Logic
FIFO
Control
Repeat
Data
Handler
Main State
Machine
Carrier
Integrity
Monitor
Timers &
Counters
Port Partition/Jabber Logic
Transmit
Control
Logic
Extension
Port
Management
Control
Logic
Transceiver
Transmit
Interface
Transceiver
Receive
Interface
SRAM
Interface
Inter FastMPR
Interface
Figure 3
FUNCTIONAL DESCRIPTION
Basic MII Port Functions
The Media Independent Interface (MII) is an interface bus composed of 18 signal pins that is defined
by the IEEE802.3u specification. The MII offers a path for transferring data, status signals, and
control signals between MAC and PHY. Its functions are summarized below.
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