參數(shù)資料
型號: KSZ8051MNL TR
廠商: Micrel Inc
文件頁數(shù): 14/59頁
文件大小: 0K
描述: TXRX PHY 10/T100 3.3V MII 32-QFN
特色產(chǎn)品: KSZ8051/8031/8021 Series
標準包裝: 1
類型: PHY 收發(fā)器
驅(qū)動器/接收器數(shù): 1/1
規(guī)程: MII
電源電壓: 1.8V,2.5V,3.3V
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤
供應商設備封裝: 32-QFN(5x5)
包裝: 標準包裝
配用: 576-3865-ND - BOARD EVALUATION FOR KSZ8051MNL
其它名稱: 576-3777-6
Micrel, Inc.
KSZ8051MNL/RNL
July 2010
21
M9999-070910-1.0
Figure 1. Auto-Negotiation Flow Chart
MII Data Interface (KSZ8051MNL only)
The Media Independent Interface (MII) is compliant with the IEEE 802.3 Specification. It provides a common interface
between MII PHYs and MACs, and has the following key characteristics:
Pin count is 15 pins (6 pins for data transmission, 7 pins for data reception, and 2 pins for carrier and collision
indication).
10Mbps and 100Mbps data rates are supported at both half and full duplex.
Data transmission and reception are independent and belong to separate signal groups.
Transmit data and receive data are each 4-bit wide, a nibble.
By default, the KSZ8051MNL is configured to MII mode after it is powered up or hardware reset with the following:
A 25MHz crystal connected to XI, XO (pins 9, 8), or an external 25MHz clock source (oscillator) connected to XI.
The CONFIG[2:0] strapping pins (pins 18, 29, 28) set to ‘000’ (default setting).
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