功能特点
• 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.
参数指标
• 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
应用领域
SDH Add/Drop Multiplexers、SDH Ternimal Multiplexers、Multi-service Transport Platform (MSTP)、Customer Premises Equipment (CPE)
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