OR3T55-7 General Description
OR3T55-7 Features
`UTOPIA Level 1/Level 2 with parity generation/ checking. In Level 2, all multi-PHY modes are supported:
- 1 RxClav/1 TxClav
- Direct status
- Multiplexed status polling
`8-/16-bit bus width
`Programmable cell length
`25/33/50 MHz operation
`Meets all UTOPIA setup and clock-to-output specifications
`FIFO control/monitoring with the following options:
- Internal 128* 9/64 *17 ORCA® FIFOs (scalable)
`Flexible control inputs with options for the following:
- Internal/external hardwiring
- Access via a parallel or serial microprocessor interface
`Supports the ORCA Series 2 and Series 3 families of FPGAs
`VHDL* source code for easy design integration
`ORCA-specific optimization, tailor-made for high performance
`Ample design flexibility using built-in interface and function options
`Verified functionality and standards compliance
OR3T55-7 Typical Application
·ORCA ATM Physical Layer CSC Application Note (AP97-050FPGA available from Lucent Technologies)
·ORCA OR2CxxA and OR2TxxA Series Field Programmable Gate Arrays Data Sheet (DS98-022), January 1998
·ORCA OR3CxxA and OR3TxxA Series Field Programmable Gate Arrays Data Sheet (DS98-163-1), August 1998
·Asynchronous Transfer Mode: ATM Architecture and Implementation, Martin et al., Prentice Hall 1996
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