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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： | 69/76页 |
| 文件大小： | 1004K |
| 代理商： | WBLXT975BHCA8 |
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Fast Ethernet 10/100 Quad Transceivers — LXT974/LXT975
Datasheet
71
19.3
Scrambler
Bypass
(100BASE-T
only)
1 = Bypass transmit scrambler and receive descrambler.
0 = Normal operation (scrambler and descrambler enabled).
R/W
Note 3
19.2
100BASE-FX
1 = Enable 100BASE fiber interface.
0 = Enable 100BASE twisted pair interface.
R/W
Note 4
19.1
Reserved
Write as 0; ignore on read.
R/W
0
19.0
Transmit
Disconnect
1 = Disconnect TP transmitter from line.
0 = Normal operation.
R/W
0
Table 55. Port Status Register (Address 20, Hex 14)
Bit
Name
Description
Type
1
Default
20.15:14
Reserved
Write as 0, ignore on read.
R/W
N/A
20.13
Link
1 = Link is up.
0 = Link is down.
Link bit 20.13 is a duplicate of bit 1.2, except that it is a dynamic
indication, whereas bit 1.2 latches Low.
RO
0
20.12
Duplex
Mode
1 = Full-Duplex.
0 = Half-Duplex.
RO
Note 2
20.11
Speed
1 = 100 Mbps operation.
0 = 10 Mbps operation.
RO
Note 2
20.10
Reserved
Ignore.
RO/LH
N/A
20.9
Auto-Negotiation
Complete
1 = Auto-negotiation process complete.
0 = Auto-negotiation process not complete.
Auto-Negotiation Complete bit 20.9 is a duplicate of bit 1.5.
RO/LH
0
20.8
Page
Received
1 = Three identical and consecutive link code words received.
0 = Three identical and consecutive link code words not received.
Page Received bit 20.8 is a duplicate of bit 6.1.
RO/LH
0
20:7
Reserved
Write as 0, ignore on read.
R/W
0
20.6
Stream cipher
lock (100BASE-
TX only)
1 = Stream cipher locked.
0 = Stream cipher not locked.
RO
0
20.5
Symbol Error
1 = Symbol error detected.
0 = No symbol error detected.
RO/
LH
N/A
1. R/W = Read /Write
RO = Read Only
LH = Latching High
2. Bits 20.12 and 20.11 reflect the current operating mode of the LXT974/975.
Table 54. Port Configuration Register (Address 19, Hex 13) (Continued)
Bit
Name
Description
Type 1
Default
1. R/W = Read/Write
2. If auto-negotiation is disabled, the default value of bit 19.8 is determined by pin 115 (CFG_1). If CFG_1 is High, the default
value of
bit 19.8 = 1.
If CFG_1 is Low, the default value of bit 19.8 = 0. If auto-negotiation is enabled, the default value of bit 19.8 = 0.
3. The default value of bit 19.3 is determined by BYPSCR. If BYPSCR is High, the default value of bit 19.3 = 1.
If BYPSCR is Low, the default value of bit 19.3 = 0.
4. The default value of bit 19.2 is determined by the SD/TPn pin for the respective port.
If SD/TPn is tied Low, the default value of bit 19.2 = 0. If SD/TPn is not tied Low, the default value of bit 19.2 = 1.
On the LXT975, this bit is ignored on ports 0 and 2 that operate in twisted-pair mode only.
相关PDF资料 |
PDF描述 |
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| WBLXT974BHCA8 | DATACOM, ETHERNET TRANSCEIVER, PQFP160 |
| WBLXT974BHCA8 | DATACOM, ETHERNET TRANSCEIVER, PQFP160 |
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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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