參數(shù)資料
型號(hào): 78Q2123/F
廠商: Maxim Integrated Products
文件頁數(shù): 5/38頁
文件大?。?/td> 0K
描述: TXRX 10/100 MDIX 3.3V COMM 32QFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 490
類型: PHY 收發(fā)器
驅(qū)動(dòng)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: 管件
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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