参数资料
型号: WJLXT384LEB1
厂商: CORTINA SYSTEMS INC
元件分类: 数字传输电路
英文描述: DATACOM, PCM TRANSCEIVER, PQFP144
封装: 20 X 20MM, ROHS COMPLIANT, LQFP-144
文件页数: 101/140页
文件大小: 1514K
代理商: WJLXT384LEB1
63
Document Number: 248994
Revision Number: 005
Revision Date: November 28, 2005
Intel LXT384 Octal T1/E1/J1 S/H PCM Transceiver with JA
6.7.2
Digital Loopback
The digital loopback function is available in the Host Processor mode only.
As Figure 9 shows, when digital loopback is selected, the transmit clock TCLK and transmit data
inputs TPOS and TNEG are looped back and are output on the RCLK, RPOS, and RNEG pins. The
data on TPOS and TNEG is also output on the TTIP and TRING pins. (To select digital loopback,
When the LXT384 Transceiver is in a digital loopback, it ignores input signals on RTIP and
RRING.
Figure 9. Intel
LXT384 Transceiver Digital Loopback
Timing &
Control
Timing
Recovery
TTIP
TRING
RTIP
RRING
RCLK
RPOS
RNEG
TCLK
TPOS
TNEG
* If Enabled
JA*
HD
B
3
/B
8
Z
S
En
c
o
d
e
r*
HD
B
3
/B
8
Z
S
De
c
o
d
e
r*
相关PDF资料
PDF描述
WJLXT385LEB1 DATACOM, PCM TRANSCEIVER, PQFP144
WJLXT385LEB1 DATACOM, PCM TRANSCEIVER, PQFP144
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WJLXT386LEB2 DATACOM, PCM TRANSCEIVER, PQFP100
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