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| 型号： | WJLXT972ALC.A4 |
| 厂商： | INTEL CORP |
| 元件分类： | 网络接口 |
| 英文描述： | DATACOM, ETHERNET TRANSCEIVER, PQFP64 |
| 封装： | ROHS COMPLIANT, LQFP-64 |
| 文件页数： | 51/97页 |
| 文件大小： | 1281K |
| 代理商： | WJLXT972ALC.A4 |
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Intel
LXT972A Single-Port 10/100 Mbps PHY Transceiver
Datasheet
55
Document Number: 249186-004
Revision Date: 25-Oct-2005
5.9.3
LED Functions
The LXT972A Transceiver has these direct LED driver pins: LED1/CFG1, LED2/CFG2, and
LED3/CFG3.
On power-up, all the drivers are asserted for approximately 1 second after reset de-asserts. Each
LED driver can be programmed using the LED Configuration Register (Table 55, “LED
Configuration Register - Address 20, Hex 14” on page 91) to indicate one of the following
conditions:
Collision Condition
Duplex Mode
Link Status
Operating Speed
Receive Activity
Transmit Activity
The LED drivers can also be programmed to display various combined status conditions. For
example, setting Register bits 20.15:12 to ‘1101’ produces the following combination of Link and
Activity indications:
If Link is down, LED is off. If activity is detected from the MAC, the LED still blinks even if
the link is down.
If Link is up, LED is on.
If Link is up and activity is detected, the LED blinks at the stretch interval selected by Register
bits 20.3:2 and continues to blink as long as activity is present.
For the LXT972A Transceiver, the LED driver pins also provide initial configuration settings. The
LED pins are sensitive to polarity and automatically pull up or pull down to configure for either
open drain or open collector circuits (10 mA Max current rating) as required by the hardware
configuration. For details, see the discussion of “Hardware Configuration Settings” on page 35.
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| WJLXT972MLC.A4 | 功能描述:IC TRANS 3.3V ETHERNET 48-LQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:25 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:4.5 V ~ 5.5 V 安装类型:通孔 封装/外壳:16-DIP（0.300"，7.62mm） 供应商设备封装:16-PDIP 包装:管件 |
| WJLXT972MLC.A4 S L7U9 | 制造商:Intel 功能描述:PHY 1-CH 10Mbps/100Mbps 64-Pin LQFP |
| WJLXT972MLC.A4-864115 | 功能描述:TXRX ETH 10/100 SGL PORT 48-LQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:通孔 封装/外壳:8-DIP（0.300"，7.62mm） 供应商设备封装:8-PDIP 包装:管件 产品目录页面:1402 (CN2011-ZH PDF) |
| WJLXT972MLCA4 | 制造商:Cortina Systems Inc 功能描述: |
| WJM1000 | 功能描述:射频模块 902-928 MHz US ISM EPC Class 1 Gen 2 RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm |
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