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LXT351QE 参数 Datasheet PDF下载

LXT351QE图片预览
型号: LXT351QE
PDF下载: 下载PDF文件 查看货源
内容描述: PCM收发器|单| CEPT PCM - 30 / E - 1 | CMOS | QFP | 44PIN |塑料\n [PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|QFP|44PIN|PLASTIC ]
分类和应用: 电信集成电路PC
文件页数/大小: 46 页 / 1070 K
品牌: INTEL [ INTEL ]
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LXT351 T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation  
Table 9. Control Register #2 Read/Write, Address (A7-A0) = x010001x  
Pattern  
Bit  
Name  
Function  
EPAT0  
EPAT1  
Selected  
1 = Enable Transmit All Ones  
0 = Disable Transmit All Ones  
4
ETAOS  
5
6
EPAT0  
EPAT1  
Selects internal data pattern transmission. See  
right hand section of table for codes.  
1 = Reset device states and clear all registers.  
0 = Reset complete.  
7
RESET  
1. To enable Dual loopback (DLOOP), set both ERLOOP = 1 and ELLOOP = 1.  
Table 10. Control Register #3 Read/Write, Address (A7-A0) = x010010x  
Bit  
Name  
Description  
1 = Disable jamming of Elastic Store read out clock (1/ bit-time adjustment for over/underflow).  
8
0
ESJAM  
0 = Enable jamming of Elastic Store read out clock  
1 = Center ES pointer for a difference of 16 or 32, depending on depth (clears automatically).  
0 = Centering completed  
1
ESCEN  
1 = Set elastic store depth to 64 bits.  
0 = Set elastic store depth to 32 bits.  
2
3
4
ES64  
-
Reserved. Set to 0 for normal operation.  
1 = Configure receiver equalizer for monitor mode application (DSX-1 monitor).  
0 = Configure receiver equalizer for normal mode application  
EQZMON  
1 = Start Built-In Self Test.  
5
6
7
SBIST  
-
0 = Built-In Self Test complete.  
Reserved. Set to 0 for normal operation.  
1 = Set bandwidth of jitter attenuation loop to 6 Hz.  
0 = Set bandwidth of jitter attenuation loop to 3 Hz.  
JA6HZ  
Table 11. Interrupt Clear Register Read/Write, Address (A7-A0) = x010011x  
Bit  
Name  
Function1  
1 = Clear/Mask Loss of Signal interrupt.  
0 = Enable Loss of Signal interrupt.  
0
1
2
CLOS  
-
Reserved. Set to 1 for normal operation.  
1 = Clear/Mask Alarm Indication Signal interrupt.  
0 = Enable Alarm Indication Signal interrupt.  
CAIS  
1 = Clear/Mask Quasi-Random Signal Source interrupt.  
0 = Enable Quasi-Random Signal Source interrupt.  
3
4
CQRSS  
-
Reserved. Set to 1 for normal operation.  
1. Leaving a 1 of in any of these bits masks the associated interrupt.  
26  
Datasheet