PM8388 Overview
Preview 24-Port SAS Expander • • • • • Flexible 24-port SAS Expander device Virtual SSP target/initiator port Low-latency connection arbitration Supports table routing of 1024 entries, direct routing and subtractive routing Integrated a non-blocking cross bar switch allowing any-port to any-port connections Arbitrary SAS wide port configurations STP bridge function allows either SAS or SATA target devices to be attached to any port Integrated RISC processor for SAS SMP functions and SES support Three configurable multi-master or slave mode TWI interfaces for device configration and control of external interfaces UART interface for debugging support SFF-8485 pliant Serial GPIO (SGPIO) interface provides expansion for up to 144 GPIOs .. HIGH-SPEED I/O • 1.5 Gbit/s and 3.0 Gbit/s operation • Automatic negotiation of link speed • Accepts Spread Spectrum Clocking (SSC) from SATA HDDs •...
PM8388 Key Features
- Flexible 24-port SAS Expander device Virtual SSP target/initiator port Low-latency connection arbitration Supports table
- 1.5 Gbit/s and 3.0 Gbit/s operation
- Automatic negotiation of link speed
- Accepts Spread Spectrum Clocking (SSC) from SATA HDDs
- Programmable transmit pre-emphasis and receiver equalization
- Programmable transmit output swing to support both SATA and SAS levels
- Integrated resistive termination and receiver AC coupling