English
Language : 

UPD98404 Datasheet, PDF (2/36 Pages) NEC – ADVANCED ATM SONET FRAMER
µPD98404
• Provides abundant OAM (Operation and Maintenance) functions
Transmit side
Receive side
• Transmission of various alarm data
* Source-triggered automatic loopback transmission
Line RDI, Path RDI
• Detection of alarm and fault signals
LOS (Loss Of Signal)
OOF (Out Of Frame)
Line REI, Path REI
* Command-specified transmission
Line AIS, Path AIS
• Pseudo error generation frame transmit functions
LOS generated frame
LOF (Loss Of Frame)
LOP (Loss Of Pointer)
OCD (Out of Cell Delineation)
LOC (Loss Of Cell delineation)
Line RDI, Path RDI
OOF, LOF generated frame
LOP generated frame
OCD, LCD generated frame
B1 error generated frame
B2 error generated frame
Line AIS, Path AIS
• Detection and display of quality loss sources
B1 error, B2 error, B3 error,
Line REI, Path-REI
• On-chip error counters
B3 error generated frame
B1 byte error counter (16-bit)
B2 byte error counter (20-bit)
B3 byte error counter (16-bit)
Line REI error counter (20-bit)
Path REI error counter (16-bit)
Rx Frequency justification processing counter (12-bit)
HEC error drop cell counter (20-bit)
FIFO overflow drop cell counter (20-bit)
Idle cell counter (20-bit)
ORDERING INFORMATION
Part number
µPD98404GJ-KEU
Package
144-pin plastic QFP (fine pitch) (20 × 20 mm)
2
Data Sheet S11822EJ4V0DS00