PM8060数据手册Microchip中文资料规格书

描述 Description

The  SRCv 12G 8-port RAID-on-Chip (ROC) Controller offers performance improvements with an extremely efficient and scalable architecture, eliminating system performance limitations of traditional ROC devices. In addition to its highly optimized architecture, the SRCv 12G, provides an easy-to-port application programming environment for rapid time-to-market.

The SRCv 12 Gbps architecture is featured on Adaptec® Series 8 RAID Adapters.



For product comparison, please consider:PM8063

特性 Features

• RoCstar contention-free architecture
• 8 GB/s PCIe 3.0 interface with I/O virtualization (IOV) support
• MIPS 1004K 32-bit Coherent Symmetric processing cluster with multi-threading to enable dramatically-increased processing capability
• Green backup to improve system robustness and decrease system maintenance costs
• Inline XOR to reduce DDR3 access and improve performance
• Preserves legacy system support through backward compatibility with SAS-1, SAS-2, PCIe 1.1, and PCIe 2.0
Ultra-High Performance RoCstar Architecture
• Large ECC-protected global shared memory with hardware FIFO and semaphores supporting 78.6 GB/s throughput
• Internal high-speed interconnect for the device processors, SAS ports, PCIe lanes, and peripherals
• Memory mapped into processor address spaces and accessible as cached/ uncached
PCI Express (PCIe) Interface
• Eight PCIe PHYs compliant with base specification 3.0
• Each PHY operates at either 8 Gbps (3.0), 5 Gbps (Gen2), or 2.5 Gbps (Gen1) per link
• Supports x1, x2, x4, and x8 lane configurations
• Supports single-root I/O virtualization (SR-IOV) with up to 16 virtual functions (VFs)
SAS/SATA Interface
• Integrated high-performance, state-machine-based, 16-port and 8-port SAS 3G/6G/12G and SATA 1.5G/3G/6G fully offloaded protocol controller
• Supports inline hardware XOR and multiplier engines for RAID 5/6
• Addressing to support 1024 SAS devices
• Supports 4096 simultaneous I/Os
• Full simultaneous bandwidth up to 12,000 Mbps per direction per PHY or 24,000 Mbps bidirectional per PHY
• I/O virtualization with 16 virtual functions
• Each virtual function is attached with a unique world-wide SAS address
Embedded Storage Application Processors
• MIPS 1004K 32-bit Coherent Symmetric processing cluster
• Shared L2 cache with coherence management
• Flexible Thread Policy Manager with programmable QoS support
• Multi-thread EJTAG debug and RTOS visibility through Green Hills MULTI IDE
• ThreadX for MIPS 1004K with hardware thread and control awareness from Express Logic
Super Descriptor Sequencer
• Performs complex inline operations without processor intervention to accelerate descriptor flow
• Programmable to offload descriptor operations
DDR3 Memory Controller
• 32/64-bit DDR3 with optional ECC support
• Supports up to 4 GB of DDR3 DRAM scalable from DDR3‑800 to DDR3-1866
• Full initialization of memory on hardware reset
• Optimized for low latency return of CPU reads
RAID Acceleration Engine
• Supports RAID implementations 0/1/10/5/50/6/60
• Supports inline XOR/multiplier functions for RAID 5/6
• Computes RAID 6 using bit-wise XOR and Reed Solomon (RS) (P+Q) on two simultaneous data streams
• Firmware API for accessing subsystem
Configurable Peripheral Interfaces
• Interfaces for NAND and NOR flash memory, SRAM and EEPROM
• Five multi-master and two master-only two-wire interfaces (TWIs) support variable bit rates of up to 400 Kbps
• Two industry-standard 16750 UARTs
• Single Serial Peripheral interface (SPI)
• Two SFF-8485-compliant Serial GPIO (SGPIO) ports
• Up to 24 GPIO ports, depending on SGPIO port configuration
• Firmware API for peripheral control, including features such as activity LED, UART configuration, zoning configuration, interprocessor communications, and enclosure control
Green Backup
• Integrated controller automatically backs up DDR3 cache to NAND flash after a power failure
• No FPGA required
• ONFi 1.0 and 2.x support