peb2255 Infineon Technologies Corporation, peb2255 Datasheet - Page 364

• Manufacturer Part Number: peb2255
• Description: E1/t1/j1 Framer And Line Interface Component For Long And Short Haul Applications
• Manufacturer: Infineon Technologies Corporation

PEB 2255
FALC-LH V1.3
Appendix
13.4
Differences to Version PEB 2255 V1.1
The main feature improvements are:
• Crystal-less jitter attenuation (optionally)
• Serial CAS signaling access on the PCM highway (optionally)
• Additional CAS-BR register organization (for T1)
• Additional transmit data input for fractional E1/T1/J1
• selectable receiver transparent mode
• Additional synchronization mode according to NTT requirements (for J1)
• External reference clock for DCO-X (DCO2) circuitry (SYNC2 pin)
• Optional transmit clock sourced by DCO-R (DCO1) circuitry (for E1)
• Software reset for DCO-R and DCO-X (DCO1 and DCO2)
• Enhanced loop-timed mode (optionally)
• Version register code changed from 10
to 13
H
H
• Boundary Scan version register changed from 1
to 4
(same part number)
H
H
• Boundary Scan file changed due to additional pin functions
For a detailed description of differences to the previous version see the actual version of
PEB 2255 Version 1.3/Delta Sheet.
All erratas described in ’PEB 2255 Version 1.1/Errata Sheet’ have been fixed.
Erratas described in ’PEB 2255 Version 1.3/Errata Sheet’ have not been fixed.
Due to compatibility with future products, the following naming conventions have been
changed:
’DCO-1’ to ’DCO-R’ and ’DCO-2’ to ’DCO-X’
Data Sheet
364
2000-07