1.2V analog V
參數(shù)資料
型號： KSZ9021GN TR
廠商： Micrel Inc
文件頁數(shù)： 2/53頁
文件大?。?/td> 0K
描述： TXRX ETHERNET GB GMII/MII 64MLF
標準包裝： 1,000
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： 64-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 64-QFN（8x8）
包裝： 帶卷 (TR)
配用： 576-3873-ND - BOARD EVALUATION FOR KSZ9021GN
Micrel, Inc.
KSZ9021GN
September 2010
10
M9999-091010-1.1
Pin Number
Pin Name
Type
(1)
Pin Function
12
AVDDL
P
1.2V analog VDD
13
AVDDL
P
1.2V analog VDD
14
TXRXP_D
I/O
Media Dependent Interface[3], positive signal of differential pair
1000Base-T Mode:
TXRXP_D corresponds to BI_DD+ for MDI configuration and BI_DC+ for
MDI-X configuration, respectively.
10Base-T / 100Base-TX Mode:
TXRXP_D is not used.
15
TXRXM_D
I/O
Media Dependent Interface[3], negative signal of differential pair
1000Base-T Mode:
TXRXM_D corresponds to BI_DD- for MDI configuration and BI_DC- for
MDI-X configuration, respectively.
10Base-T / 100Base-TX Mode:
TXRXM_D is not used.
16
AVDDH
P
3.3V analog VDD
17
LED2 /
PHYAD1
I/O
LED Output:
Programmable LED2 Output /
Config Mode:
The pull-up/pull-down value is latched as PHYAD[1] during
power-up / reset. See “Strapping Options” section for details.
The LED2 pin is programmed by the LED_MODE strapping option (pin 55, and is
defined as follows.
Single LED Mode
Link
Pin State
LED Definition
Link off
H
OFF
Link on (any speed)
L
ON
Tri-color Dual LED Mode
Pin State
LED Definition
Link / Activity
LED2
LED1
LED2
LED1
Link off
H
OFF
1000 Link / No Activity
L
H
ON
OFF
1000 Link / Activity (RX, TX)
Toggle
H
Blinking
OFF
100 Link / No Activity
H
L
OFF
ON
100 Link / Activity (RX, TX)
H
Toggle
OFF
Blinking
10 Link / No Activity
L
ON
10 Link / Activity (RX, TX)
Toggle
Blinking
For Tri-color Dual LED Mode, LED2 works in conjunction with LED1 (pin 19 to
indicate 10 Mbps Link and Activity.
18
DVDDH
P
3.3V or 2.5V digital VDD
19
LED1 /
PHYAD0
I/O
LED Output:
Programmable LED1 Output /
Config Mode:
The pull-up/pull-down value is latched as PHYAD[0] during
power-up / reset. See “Strapping Options” section for details.
The LED1 pin is programmed by the LED_MODE strapping option (pin 55, and is
defined as follows.
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