SPI4.2 (GSPI4.2-MC)
SPI-4 Phase 2 is an interface defined for packet or cell transfer between physical layer device and link layer device, for aggregate bandwidth of OC-192 ATM, Packet over SONET/SDH, and 10 Gbps Ethernet applications.
GDA's SPI4P2 Interface controller is a highly configurable and efficient implementation, fully compliant to Optical Internet working forum's OIF-SPI4-02.0, System packet level interface Level 4 Phase 2 implementation agreement. SPI4P2 is a fully digital, multi-module design created to provide complete solution in variety of application scenarios: from dynamic alignment through protocol and FIFO management.
The core's simple, configurable and layered architecture is independent of applications, PHY designs, implementation tools and, most importantly, target technologies. GDA's SPI4P2 Interface Controller is a cost-effective, end-to-end system validated solution that allows the licensees to easily migrate to FPGA, Gate array and Standard cell technologies optimally.
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Features:
- Compliant to OIF-SPI4-02.0, OIF's SPI-4.2
implementation agreement
- Modular structure with optional digital serdes
and FIFO manager blocks
- Supports 64 or 128 bit user logic interface
- Supports single and multi link operations
- scalable from 1 to 256 links
- Supports "LVTTL" or "LVDS" or "LVTTL&LVDS"
signaling for status path
- Supports micro level de-skew and bit level
de-skew on the receive paths
- Single user logic interface or multiple user logic interfaces
- Interrupt generation for reserved control
words, DIP4 error, SOP error, EOP error
- Bandwidth optimized design using
shared sop-eop control word without filling idle control words
- Supports flexible FIFO schemes
* - Rambus IP; Sold under GDA's Re-seller agreement with Rambus, Inc.
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