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參數(shù)資料
| 型號(hào)： | LXT363QE |
| 英文描述： | PCM TRANSCEIVER|SINGLE|T-1(DS1)|CMOS|QFP|44PIN|PLASTIC |
| 中文描述： | 的PCM收發(fā)器|單|的T 1（DS1的）|的CMOS | QFP封裝| 44PIN |塑料 |
| 文件頁數(shù)： | 28/52頁 |
| 文件大?。?/td> | 1187K |
| 代理商： | LXT363QE |
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LXT361
—
Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications
28
Datasheet
Table 9. Control Register #2
Read/Write, Address (A7-A0) = x010001x
Bit
Name
Function
Pattern
EPAT0
EPAT1
Selected
0
ERLOOP
1
1 = Enable Remote loopback mode
0 = Disable Remote loopback mode
0
0
Transmit TPOS/TNEG
1
ELLOOP
1
1 = Enable Local loopback mode
0 = Disable Local loopback mode
0
1
Detect and transmit QRSS
2
EALOOP
1 = Enable Analog loopback mode
0 = Disable Analog loopback mode
1
0
In-band Loop Up Code
00001
3
ENLOOP
1 = Enable Network loopback detection
0 = Disable Network loopback detection
1
1
In-band Loop Down Code
001
4
ETAOS
1 = Enable Transmit All Ones
0 = Disable Transmit All Ones
5
EPAT0
Selects internal data pattern transmission. See right
hand section of table for codes.
6
EPAT1
7
RESET
1 = Reset device states and clear all registers.
0 = Reset complete.
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
0
ESJAM
1 = Disable jamming of Elastic Store read out clock (
1
/
8
bit-time adjustment for over/underflow).
0 = Enable jamming of Elastic Store read out clock
1
ESCEN
1 = Center ES pointer for a difference of 16 or 32, depending on depth (clears automatically).
0 = Centering completed
2
ES64
1 = Set elastic store depth to 64 bits.
0 = Set elastic store depth to 32 bits.
3
-
reserved
–
set to 0 for normal operation.
4
EQZMON
1 = Configure receiver equalizer for monitor mode application (DSX-1 monitor).
0 = Configure receiver equalizer for normal mode application
5
SBIST
1 = Start Built-In Self Test.
0 = Built-In Self Test complete.
6
PLCKE
0 = RPOS/RNEG valid on the rising edge of RCLK.
1 = RPOS/RNEG valid on the falling edge of RCLK.
7
JA6HZ
1 = Set bandwidth of jitter attenuation loop to 6 Hz.
0 = Set bandwidth of jitter attenuation loop to 3 Hz.
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