參數(shù)資料
型號(hào): KSZ9021RN-EVAL
廠商: Micrel Inc
文件頁數(shù): 3/58頁
文件大小: 0K
描述: BOARD EVALUATION FOR KSZ9021RN
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,以太網(wǎng)控制器(PHY 和 MAC)
嵌入式:
已用 IC / 零件: KSZ9021RN
已供物品:
相關(guān)產(chǎn)品: 576-3978-ND - IC TXRX 10/100/1000 SGL 48QFN
576-3637-ND - IC TXRX 10/100/1000 SGL 48QFN
其它名稱: 576-3874
Micrel, Inc.
KSZ9021RL/RN
February 13, 2014
11
Revision 1.2
Pin Number
Pin Name
Type
(1)
Pin Function
21
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.
Single LED Mode
Activity
Pin State
LED Definition
No Activity
H
OFF
Activity (RX, TX)
Toggle
Blinking
Tri-color Dual LED Mode
Link / Activity
Pin State
LED Definition
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, LED1 works in conjunction with LED2 (pin 19) to
indicate 10 Mbps Link and Activity.
22
DVDDL
P
1.2V digital VDD
23
VSS
Gnd
Digital ground
24
TXD0
I
RGMII Mode:
RGMII TD0 (Transmit Data 0) Input
25
TXD1
I
RGMII Mode:
RGMII TD1 (Transmit Data 1) Input
26
TXD2
I
RGMII Mode:
RGMII TD2 (Transmit Data 2) Input
27
TXD3
I
RGMII Mode:
RGMII TD3 (Transmit Data 3) Input
28
VSS
Gnd
Digital ground
29
DVDDL
P
1.2V digital VDD
30
DVDDH
P
3.3V/2.5V digital VDD
31
TX_ER
I
RGMII Mode:
This pin is not used and should be left as a no connect.
32
GTX_CLK
I
RGMII Mode:
RGMII TXC (Transmit Reference Clock) Input
33
TX_EN
I
RGMII Mode:
RGMII TX_CTL (Transmit Control) Input
34
VSS
Gnd
Digital ground
35
DVDDL
P
1.2V digital VDD
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