SD & MMC Controller | S6 NAND Flash Memory Controller
Reliable SD, microSD & MMC NAND Flash Controller for SD cards, MMCs, DoB and eSD storage systemsThe Hyperstone S6 NAND Flash Controller offers an easy-to-use turnkey platform for highly reliable flash solutions compliant to MMC4.2 and SD 2.0 interfaces.
- Patented wear leveling together with ECC ensuring highest reliability and endurance
- Optimized 32-Bit RISC core, instruction set, and firmware for flash handling
- Dual channel Direct Flash Access unit (DFA) for interleaved operations
- Large sector buffers for highest MLC performance
- Most power efficient design together with power saving features
- Smart and custom features possible by simple firmware upgrades
- Additional UART to connect external devices such as security controllers
- ASSP with no need for external voltage regulators, detectors or diodes
- Exceptional power loss protection also with MLC flash through optimized firmware handling
- Turnkey solution including firmware, manufacturing kit, test and development hardware, and reference schematics for SD Card or MMC
Product Information
Target Application
- SecureDigitialTM - SD Cards for industrial and consumer applications
- microSD cards for consumer and mobile applications
- MultiMediaCardsTM (MMC)
- eMMC embedded flash
- Multi-Chip-Packages (MCP)
- SmartCards
Performance
- 2 times 4KB large page buffers per channel achieving optimal performance for SLC and MLC flash chips with 4KB page size
- Sustained read and write up to 24 and 23 MB/s respectively using SLC in SD mode
- Sustained read and write up to 22 and 9 MB/s respectively using MLC in SD mode
- Sustained read and write up to 42 and 25 MB/s respectively using SLC in MMC mode
- Sustained read and write up to 42 and 9 MB/s respectively using MLC in MMC mode
- Data transfer rate to flash-memory of up to 40MB/s per channel
Host Interface & Compliance
- Fully compliant to the SD 1.01, 1.10 and 2.0 (SDHC) standards
- Fully compliant to MMC 3.31, 4.1 and 4.2 standards
- Additional General Purpose UART and optional ISO 7816-3 interface
Controller & CPU
- High performance 32-Bit Hyperstone RISC microprocessor
- 10 to 60 MHz clock frequency using adjustable internal oscillator
- 16 KB internal Boot ROM
- 20 KB internal RAM
- Card operation current of less than 25 mA
- Automatic power-down mode during wait periods, power saving mode incl. automatic wake-up and sleep mode with Icc < 120 µA
- Dual supply voltage 1.8V and 3.3V
- On-chip voltage regulator for 1.8V and charge pump for 3.0V flash memory power supply
- On-chip voltage regulator for 1.8V processor core supply
- Internal voltage detector
- Optimized die size, shape and pad layout for multi die packages and die stacking
Flash Memory & Interface Handling
- Dual channel direct flash memory access (DFA)
- Supporting all control signal for NAND type flash memory connection
- Supporting direct connection of up to 4 flash memory chip enables (CE) - 2 per channel
- 2 times 4KB large page buffers per channel achieving optimal performance for SLC and MLC flash chips with 4KB page size
- Flash memory power down logic and flash memory write protect control
- Error Correcting Code (ECC) capable of correcting 4 symbols in a 512 Bytes sector with additional CRC
- Supporting all current and future vendor flashes and technologies (NAND, AG-AND, MLC/SLC, NROM, ...) by firmware upgrades
- Firmware storage in flash memory
- Firmware is loaded into internal memory by the boot ROM
- Flash management including mapping of logical block addresses (LBA) to corresponding physical block addresses (PBA)
- Bad Block Management
- Wear leveling
- Power Loss Protection
- Interleaving, cache, and multi-plane programming
Order Information
- S6-LAK05 (LGA 54, 7.5 x 4.0 x 0.7mm, RoHS, -25 to +85 °C)
- S6-0ABD0 (Tested Die / Wafer