SD & eMMC Controller | S8 NAND Flash Memory Controller
Reliable SD, microSD & eMMC NAND Flash Controller for SD cards, MMCs, eMMC, DoB and eSD storage systemsThe Hyperstone S8 NAND Flash Controller offers an easy-to-use turnkey platform for industrial high endurance robust Flash Memory Cards or modules compatible to host systems with (e)SD or (e)MMC interfaces.
- Designed to satisfy industrial requirements
- hyReliability™ Flash Management including superior wear leveling, read disturb management, and power fail management ensuring highest reliability and endurance
- Continuously updated Flash Memory chip support and long term availability
- Flexible ECC engine supporting all Flash Memory handling
- High performance on-the-fly AES encryption engine
- Custom features can be implemented with simple firmware upgrades
- 16 GPIO for customer specific applications supporting SDIO 3.0, SPI, I2C, and ISO7816
- ASSP with minimal external active components
- Turnkey solution including firmware, manufacturing kit, test and development hardware, as well as reference schematics
S8 Product Information
Target Application
- SecureDigital (SD) card
- microSD and Smart microSD
- eMMC
- Legacy MMC and SD cards
- Embedded flash modules
- Multi-Chip-Package (MCP)
- Disk-on-Board
Performance
- Host transfer rate of up to 104 MB/s in SD 3.0 SDR 104 and eMMC 4.4 DDR modes
- Sequential read and write up to 90 MB/s using toggle mode or ONFI 2 SLC Flash
- Sequential read and write up to 60 and 25 MB/s respectively using toggle mode or ONFI 2 MLC Flash
- 4K random write IOPS: up to 1500 using SLC Flash
- All SD Speed Classes possible
Host Interface & Compliance
- Fully compliant to SD 3.0 (UHS-I), SD 2.0 and eSD 2.1
- CPRM and ASSD 2.0 or Mc-EX can be supported
- Fully compliant to eMMC 4.4, and MMC 4.2 specifications
- Support backward compatible, high speed and DDR modes in eMMC 4.4
- Optional support for eMMC 4.5 features Power-Off Notification, Discard, and Sanitize
- Supports DS, HS, SDR12, SDR 25, SDR50, SDR104 and DDR50 modes of SD 3.0
- Host transfer rate of up to 104 MB/s in SD 3.0 SDR104 and eMMC 4.4 DDR modes
- Hardware support for the C2 encryption and decryption functions (CPRM)
- On-chip voltage regulator for 1.8V signalling voltage in SD 3.0 transfer modes
Flash Memory Management
- hyReliability™ Flash Memory Management optimizing reliability, power fail safety, endurance, data retention, and performance
- Complete Flash Translation Layer (FTL) for random Flash data access including mapping of logical block addresses (LBA) to physical block addresses (PBA)
- Bad Block Management
- Static and Global Wear leveling to maximize write endurance
- Inherent on-the-fly garbage collection
- Read Disturb Management, dynamic data refresh 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 redundantly for recovery and refresh
- In-Field Firmware update without user data loss
- Customized firmware, optimizations und feature implementations possible upon request
Controller & CPU
- High performance 32-Bit Hyperstone RISC microprocessor
- Large internal RAM provides firmware flexibility
- 16 GPIO pins for customer specific applications, multiplexed interface options include: 16 GPIO, SDIO 3.0, SPI, I2C, 4 x CE and ISO7816
- Unique ID for security applications
- AES encryption engine 128 and 256-Bit, ECB, CBC, and XTS modes supported, high performance on-the-fly encryption/decryption
- Flexible clock frequency generation through internal oscillator and PLL
- Automatic power down mode during wait periods for host data of Flash Memory operation completion, automatic sleep mode during host inactivity periods
- On-chip voltage regulator for 1.2V controller core power
Flash Memory & Interface Handling
- Direct Flash Memory Access (DFA) co-processor including page buffers and interleaving capability
- Synchronous DDR interface compliant with Toggle DDR and ONFI 2.1, compatible with all DDR Flash Memory devices
- Asynchronous SDR interface, ONFI 1.0 compliant, compatible with all legacy interface Flashes
- Data transfer rate to Flash up to 200 MB/s
- Flexible ECC engine supporting all Flashes
- CRC for additional reliability
- Direct connection of up to 8 Flash Memory chip enables (CE)
- Flash memory power down logic and Flash Memory write protect control
- Supporting all Flash technologies and all page sizes up to 16 KB
- On-chip voltage regulator for 1.8V Flash Memory I/O power
Block Diagram
Order Information
- S8-LBK07 (LGA 52, 7.5 x 4.0 x 0.7mm, 4 CEs, RoHs, -40 to +85 °C)
- S8-0BBD0 (Tested Die / Wafer)