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EKF5280 Datasheet(PDF) 5 Page - ELAN Microelectronics Corp |
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EKF5280 Datasheet(HTML) 5 Page - ELAN Microelectronics Corp |
5 / 14 page eKF5280 USB2.0 Flash Controller Product Specification (V1.0) 02.23.2006 • 1 (This specification is subject to change without further notice) 1 Description The eKF5280 Flash Controller provides a high-performance interface for bridging USB2.0 and NAND Flash compliance device, thus allowing the device to implement flash memory storage function through USB interface. The eKF5280 contains an 8- bit RISC processor which could significantly reduce efforts of firmware development. Furthermore, the Controller is embedded with a Phase Lock Loop (PLL). The PLL provides all the internal clocks needed by the Controller. However, the required 12 MHz external clock has to be provided externally. The eKF5280 is capable of controlling up to 8 pieces of NAND Flash memory with flash capacity ranging from 16M bytes to 512M bytes. The Controller can be available in a number of feature combinations to accommodate customer’s requirements. It has been optimized to support Toshiba, Samsung and Hynix/ST SLC (single level cell) flash memory designs. The controller has a write-protect feature for preventing accidental writing to flash. 2 Features USB Specification v2.0 Compliant USB Mass Storage Class v1.0 Compliant Supports 480 MBits/s Full High Speed Serial Data Transmission Support USB Mass Storage Class Bulk-Only Spec USB bus-powered capability Build in PLL used to generate clock for USB and MCU Oscillator: 12MHz Supports a total of 4 Endpoints: • Endpoint 0 is the default control endpoint • Endpoint 1 is the Bulk-in endpoint • Endpoint 2 is the Bulk-out endpoint • Endpoint 3 is the Interrupt-in endpoint Support ping-pong buffer(two 2120x8 bits) for data transfer to/from NAND Flash Support up to 8 pieces of NAND Flash memory 1 LED sink pins with internal serial resistor Support wear leveling Support write-protected ability Higher reliability: ECC on the fly Support untested/downgrade NAND Flash Embedded 5-3.3 regulator, and 3.3-2.5 regulator One 8-bit general purpose timer |
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