參數(shù)資料
型號： KSZ9021GQI
廠商： Micrel Inc
文件頁數(shù)： 4/59頁
文件大?。?/td> 0K
描述： TXRX GIG ETH GMII/MII 128-PQFP
標(biāo)準(zhǔn)包裝： 66
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 8/8
規(guī)程： 千兆位以太網(wǎng)
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 128-BFQFP
供應(yīng)商設(shè)備封裝： 128-PQFP（14x20）
包裝： 托盤
其它名稱： 576-3790
Micrel, Inc.
KSZ9021GQ
September 2010
12
M9999-091010-1.2
Pin Number
Pin Name
Type
(1)
Pin Function
43
LED4 /
PHYAD3
I/O
LED Output:
Programmable LED4 Output /
Configuration Mode:
The pull-up/pull-down value is latched as PHYADD[3]
during power-up / reset. See “Strapping Options”
section for details.
The LED4 pin is programmed via register 11h bits [7:6], LED_SEL[1:0], and is
defined as follows:
LED_SEL[1:0] = (1,1)
// 6-LED Configuration (default)
LED_SEL[1:0] = (0,1)
// 5-LED Configuration
1000Base-T Link
Pin State
LED Definition
Link off
H
OFF
Link on
L
ON
LED_SEL[1:0] = (1,0)
// 4-LED Configuration
1000Base-T – Link / Activity
Pin State
LED Definition
Link off
H
OFF
Link on
L
ON
Activity (RX, TX)
Toggle
Blinking
LED_SEL[1:0] = (0,0)
// Reserved – not used
44
LED3 /
PHYAD2
I/O
LED Output:
Programmable LED3 Output /
Configuration Mode:
The pull-up/pull-down value is latched as PHYADD[2]
during power-up / reset. See “Strapping Options”
section for details.
The LED3 pin is programmed via register 11h bits [7:6], LED_SEL[1:0], and is
defined as follows:
LED_SEL[1:0] = (1,1)
// 6-LED Configuration (default)
LED_SEL[1:0] = (0,1)
// 5-LED Configuration
LED_SEL[1:0] = (1,0)
// 4-LED Configuration
Duplex / Collision
Pin State
LED Definition
Half Duplex
H
OFF
Full Duplex
L
ON
Collision
Toggle
Blinking
LED_SEL[1:0] = (0,0)
// Reserved – not used
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