The Hyperstone A2 family of Flash Memory Controllers together with provided application and flash specific firmware offers an easy-to-use turnkey platform for high endurance robust flash disks of various form factors and interface standards.

• Smallest and most power efficient SSD controller
• Patented superior read and write wear leveling together with up to 24-Bit ECC ensuring highest reliability and endurance
• Exceptional power fail robustness
• Optimized 32-Bit RISC core, instruction set and firmware for flash handling
• 4 channel controller provides optimal performance for target applications
• Most power efficient design together with power saving features
• S.M.A.R.T. features supported
• Custom features can be implemented with simple firmware upgrades
• ASSP with minimal external active components
• Turnkey solution including firmware, manufacturing kit, test and development hardware, and reference schematics for applications such as 2.5" SATA solid state disk (SSD), MO-297, MO-300, and CFast.
• Patented superior wear leveling together with ECC ensuring highest reliability and endurance

• A2-RAP08 
  (TFBGA 201, 9 × 9 x 1.2 mm, 0.5 mm pitch, 32 CEs, RoHS, -40 to +85 °C)
• A2-RAP09 
  (TFBGA 201, 13 × 13 x 1.2 mm, 0.8 mm pitch, 32 CEs, RoHS, -40 to +85 °C)
• A2-0ABD0 
  (Tested Die / Wafer)

• High performance 32-Bit Hyperstone RISC microprocessor
• Large internal RAM provides firmware flexibility
• Eight GPIO pins for customer specific applications and ISO7816 interface for SmartCard applications
• Unique ID for security applications
• Typical active current consumption (@25°C and 100% utilization during stress test with 4x 3.3V Flashes) of about 250mA
• SATA partial/slumber (~150mA) and CFast PHYSLP (~5mA) power modes supported
• Supply voltage power-down detection for full power-down robustness
• Capacitor buffered power down and write recovery possible
• Supply voltage 1.2 V and for Flash I/O: 1.8 V or 3.3 V
• Flash memory interface supply voltage 3.3 V or 1.8 V

• Fully compliant with Serial ATA 2.6
• Fully compliant with ATA-7, compatible to ATA-8
• Fully compliant with CFast-1.1
• SATA Gen 1 (1.5 Gb/sec) and SATA Gen 2 (3.0 Gb/sec) transfer speeds supported
• Up to 300 MB/sec burst transfer speed
• SATA partial and slumber power modes and CFast PHYSLP power mode supported
• Native Command Queuing (NCQ) support
• TRIM support
• LBA 48 support to design drives larger than 128GB

• 4 channel with four direct flash memory access (DFA) units including sector buffers and interleaving capability
• Supporting all control signals for NAND type flash memory connection
• Asynchronous SDR interface, ONFI 1.0 compliant and compatible with ONFI 2.x.
• Supporting direct connection of up to 32 flash memory chip enables (CE) - eight per channel
• Flash memory power down logic and flash memory write protect control
• BCH Error Correcting Code (ECC) capable of correcting 6 or 8 Bit in a 512 bytes sector and 24 Bit in a 1024 bytes double-sector with additional CRC
• Supporting all flash technologies MLC and SLC and all page sizes up to 16 KB
• Flash management including mapping of logical block addresses (LBA) to corresponding physical block addresses (PBA)
• Bad Block Management
• Minimal Write Amplification
• Static and Global Wear leveling to maximize write endurance
• Inherent on-the-fly garbage collection
• Read Wear leveling to maximize data retention and refresh data subject to read disturbance
• Management of sudden power-fails
• Interleaving, cache, and multi-plane programming
• Firmware is stored in NAND Flash and loaded into internal memory by the boot ROM 
• Firmware can be stored redundantly for recovery and for periodic refresh
• Future Flashes can be supported by simple firmware upgrades
• Customized firmware, optimizations and feature implementations possible upon request