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| 型号： | WBLXT975BHCA8 |
| 厂商： | CORTINA SYSTEMS INC |
| 元件分类： | 网络接口 |
| 英文描述： | DATACOM, ETHERNET TRANSCEIVER, PQFP160 |
| 封装： | ROHS COMPLIANT, PLASTIC, MS-002DD-1, HQFP-160 |
| 文件页数： | 8/76页 |
| 文件大小： | 1004K |
| 代理商： | WBLXT975BHCA8 |
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LXT974/LXT975 — Fast Ethernet 10/100 Quad Transceivers
16
Datasheet
Table 8.
LXT974 and LXT975 Hardware Control Interface Signal Descriptions
Pin#
Symbol
Type1
Signal Description2
116
CFG_0
(Global)
I
Configuration Control 0.
When A/N is enabled, Low to High transition on CFG_0 causes auto-negotiate to restart on
all ports and 0.9 = 1.
When A/N is disabled, this input selects operating speed and directly affects bit 0.13.
When CFG_0 is High, 100 Mbps is selected and bit 0.13 = 1.
When CFG_0 is Low, 10 Mbps is selected and bit 0.13 = 0.
115
CFG_1
(Global)
I
Configuration Control 1.
When A/N is enabled, CFG_1 determines operating speed advertisement capabilities in
combination with CFG_2 and FDE on all ports. See Table 16 on page 26 for details.
When A/N is disabled, CFG_1 enables 10 Mbps link test and directly affects bit 19.8.
When CFG_1 is High, 10 Mbps link test is disabled and bit 19.8 = 1.
When CFG_1 is Low, 10 Mbps link test is enabled and bit 19.8 = 0.
114
CFG_2
(Global)
I
Configuration Control 2.
When A/N is enabled, CFG_2 determines operating speed advertisement capabilities in
combination with CFG_1 on all ports. See Table 16 on page 26 for details.
When A/N is disabled, this input selects either TP or FX interface. When FX interface is
selected, the LXT974/975 automatically disables the scrambler. For correct FX operation,
100 Mbps operation must also be selected.
Note: It is recommended to set the network interface for each port independently, via the SD/
operation.
When CFG_2 is Low, TP is enabled and bit 19.2 = 0.
When CFG_2 is High, FX is enabled and bit 19.2 = 1.
110
FDE
(Global)
I
Full-Duplex Enable - All Ports.
When High, enables full-duplex operation on all ports.
117
FDE_FX
I
Full-Duplex Enable - FX Ports only.
When High, enables full-duplex operation on all ports set for FX mode operation. This pin is
ignored on ports set for TP mode.
113
BYPSCR
(Global)
I
Bypass Scrambler.
In TP mode, enables or bypasses Scrambler operation and directly affects MDIO
register bit 19.3.
When High, Scrambler is bypassed and bit 19.3 = 1.
When Low, Scrambler is enabled and bit 19.3 = 0.
In FX mode, the LXT974/975_ automatically bypasses the Scrambler. This pin has no effect
selecting Scrambler bypass.
111
AUTOENA
(Global)
I
Auto-Negotiation Enable. When High, enables auto-negotiation on all ports.
1. Type Column Coding: I = Input, O = Output, OD = Open Drain.
2. The LXT974/975 supports the 802.3 MDIO register set. Specific bits in the registers are referenced using an “X.Y” notation,
where X is the register number (0-6 or 16-20) and Y is the bit number (0-15).
相关PDF资料 |
PDF描述 |
|---|---|
| WBLXT974BHCA8 | DATACOM, ETHERNET TRANSCEIVER, PQFP160 |
| WBLXT974BHCA8 | DATACOM, ETHERNET TRANSCEIVER, PQFP160 |
| WBLXT9785EHC.C2V | DATACOM, INTERFACE CIRCUIT, PQFP208 |
| WBLXT9785EHC.D0-865110 | DATACOM, INTERFACE CIRCUIT, PQFP208 |
| WBLXT9785EHC.D0-865111 | DATACOM, INTERFACE CIRCUIT, PQFP208 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| WBLXT9785EHC.D0865110 | 功能描述:IC TXRX 8PORT ETHERNET 208-HQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:1,000 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR) |
| WBLXT9785EHC.D0-865110 | 制造商:Cortina Systems Inc 功能描述:PHY 8-CH 10Mbps/100Mbps 208-Pin PQFP |
| WBLXT9785EHC.D0-865111 | 制造商:Cortina Systems Inc 功能描述:PHY 8-CH 10Mbps/100Mbps 208-Pin PQFP |
| WBLXT9785HC.D0 | 功能描述:IC TXRX 8PORT ETHERNET 208-HQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:1,000 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR) |
| WBLXT9785HC.D0-865112 | 功能描述:TXRX ETH OCT LP COMM 208-HQFP 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) |
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