参数资料
型号: WJLXT361LEA2
厂商: INTEL CORP
元件分类: 数字传输电路
英文描述: DATACOM, PCM TRANSCEIVER, PQFP44
封装: 10 X 10MM, LQFP-44
文件页数: 21/55页
文件大小: 1045K
代理商: WJLXT361LEA2
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
0ERLOOP1
1 = Enable Remote loopback mode
0 = Disable Remote loopback mode
0
Transmit TPOS/TNEG
1
ELLOOP1
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
10
In-band Loop Up Code
00001
3ENLOOP
1 = Enable Network loopback detection
0 = Disable Network loopback detection
11
In-band Loop Down Code
001
4ETAOS
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.
4EQZMON
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.
6PLCKE
0 = RPOS/RNEG valid on the rising edge of RCLK.
1 = RPOS/RNEG valid on the falling edge of RCLK.
7JA6HZ
1 = Set bandwidth of jitter attenuation loop to 6 Hz.
0 = Set bandwidth of jitter attenuation loop to 3 Hz.
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