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Block diagram specification, Features – Silicon Motion SM2246EN User Manual

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Host Standards
ATA Protocol
Flash I/F
CE/Channel
Commercial Temperature
Industrial Temperature
Package

SATA 6Gb/s
ATA-8
4 Channel
8
0°C ~ 70°C
-40°C ~ +85°C
288-ball TFBGA

BLOCK DIAGRAM

SPECIFICATION

Host Interface

Industrial Standard SATA Revision 3.1 compliant
Industrial Standard ATA/ATAPI-8 and ACS2 command
compliant
Supports SATA interface rate of 6Gb/s (backward compatible
to 1.5Gb/s and 3Gb/s)
Native Command Queuing up to 32 commands
SATA Device Sleep (DevSleep)
Data Set Management command (TRIM)
Self-Monitoring, Analysis, and Reporting Technology
(S.M.A.R.T.)
Supports PHY Sleep mode (CFast PHYSLP)
Supports 28-bit and 48-bit LBA (Logical Block Addressing)
mode commands

NAND Flash Support

Supports 4 channels of NAND flash devices with up to 8 Chip
Selects per channel
Supports 1.8V/3.3V Flash I/O
ONFI 3.0 Synchronous/Asynchronous interface
Toggle 2.0 interface
EDO mode support
Supports 1x/1y/2x/2ynm MLC, TLC and SLC

*

Supports 8KB and 16KB page size
Supports 1-plane, 2-plane, and 4-plane operation

DRAM Interface

16-bit wide DRAM interface
Supports DDR2/DDR3/DDR3L

Data Protection and Reliability

Supports ATA8 security feature set
Supports data security erase and quick erase
Hardware BCH ECC capable of correcting errors up to
66-bit/1KB
Internal data shaping technique increases data endurance
Global wear leveling algorithm evens program/erase count
and maximizes SSD lifespan
Software/Hardware write protect option
StaticDataRefresh technology ensures data integrity
Early weak block retirement option

Architecture

32-bit RISC CPU
High-efficiency 64-bit system bus
Automatic sleep and wake-up mechanism to save power
Built-in voltage detectors for power failure protection
Built-in power-on reset and voltage regulators
Built-in temperature sensor for SSD temperature detection
Supports JTAG emulator interface, bidirectional UART
(RS-232) interface, and I2C master/slave interface for
on-system debug

Upgradeable Firmware

Supports firmware in system programming (ISP) function for
firmware upgrade

FEATURES

www.siliconmotion.com

8F-1, No. 36, Taiyuan St., Jhubei City,
Hsinchu County 30265, Taiwan
Tel: +886-3-552-6888

Silicon Motion, Inc.

Headquarter

U.S. Office

1591 McCarthy Boulevard, Milpitas,
CA 95035, USA
Tel: +1-408-519-7200

* The TLC NAND support and the Enhanced Security firmware support will be available in Q4 2013.
** 256GB SSD with Toshiba 19nm MLC