STM-1/4 Single Chip Add/Drop Multiplexer System Device
OVERVIEW
The CP1121A is one of the OPTRANS series chips designed by Chiphomer Technology Limited. It is extended to provide a flexible, low cost System-on-chip (SOC) solution for fast growing metropolitan transmission market, especially in Multi-service Transport Platform (MSTP) and Customer Premises Equipment (CPE) applications. It integrated one SDH overhead processor for dual STM-4 or dual STM-1, one extend interface for dual STM-4s or dual STM-1s, a tributary unit payload processor for 8 STM-1, E1 mapper for asynchronous mapping and demapping of 21 port E1, a 18 X 18 high and low order cross connecter.
FEATURES
• SDH Overhead Processor
• Dual channel SDH STM-4 or STM-1 Serial LVDS interfaces
• Dual channel multi-rate CDR macro is integrated
• High jitter performance complies with ITU-T specification
• Regenerator and multiplex section overheads are terminated
• High order AU-4 pointer interpretation and generation
• VC-4 path overheads termination
• Full access SOH through external serial interfaces
• Support path loop-back
• Support Multiplex Section Protection Switch
• TUPP
• Process TU-12/TU-3 Pointer
• Aligns SDH tributary unit within 8 STM-1.
• TU3 or TU12 modefor every TUG3 in AU4
• Bypass mode for VC-4 Applications
• Extended interface supports
• Two byte-width 19.44 Telecom Bus, or two byte-wide 77.76MHz Telecom Bus, or
• Two 2bit-width 77.76MHz Telecom Bus
• 21 channel E1 mapper
• 21 channels E1 asynchronous mapping and de-mapping to/from a STM-1.
• 1+1 path protection, re-timing mode for channel #0 to #7
• High and low order cross connecter
• 18 X 18 STM-1 non-blocking switching for high order or low order
• Provides 16-bit Intel/Motorola microprocessor interface
• 1.8V/3.3V power supply. 3.3V CMOS I/O. LVDS I/O
• Supports IEEE 1149.1 boundary scan
• Operating Industrial temperature range: -40℃ ~ 85℃
• Maximum power consumption less then 2.9W
• TEBGA-421 package
