参数资料
型号: KSZ8041TL
厂商: Micrel Inc
文件页数: 2/58页
文件大小: 0K
描述: TRANSCEIVER 10/100BASE 48-TQFP
标准包装: 250
类型: 收发器
驱动器/接收器数: 1/1
规程: MII,RMII
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 48-TQFP
供应商设备封装: 48-TQFP(7x7)
包装: 托盘
产品目录页面: 1080 (CN2011-ZH PDF)
配用: 576-3295-ND - BOARD EVALUATION KSZ8041TL
其它名称: 576-1619
Micrel, Inc.
KSZ8041TL/FTL
April 2007
10
M9999-042707-1.1
Pin Description
Pin Number
Pin Name
Type
(1)
Pin Function
1
GND
Gnd
Ground
2
GND
Gnd
Ground
3
GND
Gnd
Ground
4
VDDA_1.8
P
1.8V analog VDD
5
VDDA_1.8
P
1.8V analog VDD
6
V1.8_OUT
P
1.8V output voltage from chip
7
VDDA_3.3
P
3.3V analog VDD
8
VDDA_3.3
P
3.3V analog VDD
9
RX-
I/O
Physical receive or transmit signal (- differential)
10
RX+
I/O
Physical receive or transmit signal (+ differential)
11
TX-
I/O
Physical transmit or receive signal (- differential)
12
TX+
I/O
Physical transmit or receive signal (+ differential)
13
GND
Gnd
Ground
14
XO
O
Crystal feedback
This pin is used only in MII mode when a 25 MHz crystal is used.
This pin is a no connect if oscillator or external clock source is used, or if RMII
mode or SMII mode is selected.
15
XI /
REFCLK /
CLOCK
I
Crystal / Oscillator / External Clock Input
MII Mode:
25MHz +/-50ppm (crystal, oscillator, or external clock)
RMII Mode:
50MHz +/-50ppm (oscillator, or external clock only)
SMII Mode:
125MHz +/-100ppm (oscillator, or external clock only)
16
REXT
I/O
Set physical transmit output current
Connect a 6.49K
resistor in parallel with a 100pF capacitor to ground on this
pin. See KSZ8041TL-FTL reference schematics.
17
GND
Gnd
Ground
18
MDIO
I/O
Management Interface (MII) Data I/O
This pin requires an external 4.7K
pull-up resistor.
19
MDC
I
Management Interface (MII) Clock Input
This pin is synchronous to the MDIO data interface.
20
RXD3 /
PHYAD0
Ipu/O
MII Mode:
Receive Data Output[3]
(2)
/
Config Mode:
The pull-up/pull-down value is latched as PHYADDR[0] during
power-up / reset. See “Strapping Options” section for details.
21
RXD2 /
PHYAD1
Ipd/O
MII Mode:
Receive Data Output[2]
(2)
/
Config Mode:
The pull-up/pull-down value is latched as PHYADDR[1] during
power-up / reset. See “Strapping Options” section for details.
22
RXD1 /
RXD[1] /
PHYAD2
Ipd/O
MII Mode:
Receive Data Output[1]
(2)
/
RMII Mode:
Receive Data Output[1]
(3)
/
Config Mode:
The pull-up/pull-down value is latched as PHYADDR[2] during
power-up / reset. See “Strapping Options” section for details.
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