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    參數(shù)資料
    型號: 78Q2133R/F
    廠商: Maxim Integrated Products
    文件頁數(shù): 5/38頁
    文件大小: 0K
    描述: TXRX 10/100 MDIX 3.3V IND 32-QFN
    產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
    Obsolescence Mitigation Program
    標(biāo)準(zhǔn)包裝: 2,500
    類型: PHY 收發(fā)器
    驅(qū)動器/接收器數(shù): 4/4
    規(guī)程: IEEE 802
    電源電壓: 3 V ~ 3.6 V
    安裝類型: 表面貼裝
    封裝/外殼: 32-VFQFN 裸露焊盤
    供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(5x5)
    包裝: 帶卷 (TR)
    DS_21x3_001
    78Q2123/78Q2133 Data Sheet
    Rev. 1.6
    13
    2.7
    LED Signals (Programmability Is Secondary Requirement)
    Signal
    Pin
    Type
    Description
    LED0
    4
    CO
    PROGRAMMABLE LED. Active low. Default status: LINK OK. Active to
    indicate link with far end PHY.
    LED1
    3
    CO
    PROGRAMMABLE LED. Active low. Default status: RX or TX ACTIVITY.
    Active to indicate TX or RX activity on the MDI.
    Other LED options selectable via MR23:
    TRANSMIT: ON when there is a transmission (normally OFF).
    RECEIVE: ON when there is a reception (normally OFF).
    COLLISION: In half duplex mode, this is a collision indicator and turns-ON when
    a collision occurs. In full duplex mode, this LED is held OFF.
    BASE-TX: ON for 100BASE-TX connection and OFF for other
    connections. LEDBTX is OFF during auto-negotiation.
    BASE-T: ON for 10BASE-T connection and OFF for other connections.
    LEDBT is OFF during auto-negotiation.
    FULL DUPLEX: ON when in full duplex mode and OFF when in half
    duplex mode.
    LINK/ACT: ON for link, blink for activity.
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