82V2042EPF8 IDT, Integrated Device Technology Inc, 82V2042EPF8 Datasheet - Page 33

• Manufacturer Part Number: 82V2042EPF8
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82V2042EPF8

• Screening Level: Industrial
• Mounting: Surface Mount
• Package Type: TQFP
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Not Compliant

3.8.3
nel is configured in Remote Loopback mode. In this mode, the recovered
clock and data output from Clock and Data Recovery on the receive path
FUNCTIONAL DESCRIPTION
IDT82V2042E
When the RLP bit (MAINT1, 0DH...) is set to ‘1’, the corresponding chan-
TDn/TDPn
RDn/RDPn
CVn/RDNn
TDn/TDPn
RDn/RDPn
CVn/RDNn
TCLKn
RCLKn
RCLKn
TDNn
TCLKn
LOSn
REMOTE LOOPBACK
TDNn
LOSn
Detection
LOS/AIS
HDB3/AMI
HDB3/AMI
Decoder
Encoder
B8ZS/
B8ZS/
Detection
HDB3/AMI
LOS/AIS
HDB3/AMI
Decoder
Encoder
B8ZS/
B8ZS/
Attenuator
Attenuator
Jitter
Jitter
Attenuator
Attenuator
Jitter
Jitter
Loopback
Digital
Figure-14 Analog Loopback
Figure-15 Digital Loopback
Clock and
Recovery
Waveform
Data
Shaper
Clock and
Recovery
Waveform
Data
Shaper
DUAL CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
33
is looped back to the jitter attenuator (if enabled) and Waveform Shaper in
transmit path.
LPn[1:0] pins to ‘11’ on a per channel basis.
In hardware control mode, Remote Loopback can be selected by setting
Slicer
Data
Slicer
Data
Driver
Figure-16
Line
Equalizer
Adaptive
Driver
Line
One of the Two Identical Channels
shows the process.
Equalizer
One of the Two Identical Channels
Adaptive
Termination
Termination
Transmitter
Receiver
Internal
Internal
Termination
Transmitter
Termination
Internal
Receiver
Internal
Loopback
Analog
December 12, 2005
TTIPn
TRINGn
RRINGn
RTIPn
RTIPn
RRINGn
TTIPn
TRINGn