USB2228

USB2227/USB2228 4th Generation USB2.0 Flash Media Controller with Integrated Card Power FETs PRODUCT FEATURES „ Datasheet „ „ „ „ „ „ „ „ „ „ „ „ Complete System Solution for interfacing SmartMediaTM (SM) or xD Picture CardTM (xD)1, Memory StickTM (MS), High Speed Memory Stick (HSMS), Memory Stick PRO (MSPRO), MS DuoTM, Secure Digital (SD), Mini-Secure Digital (Mini-SD), TransFlash (SD), MultiMediaCardTM (MMC), Reduced Size MultiMediaCard (RS-MMC), NAND Flash, Compact FlashTM (CF) and CF UltraTM I & II, and CF form-factor ATA hard drives to USB2.0 bus — Supports USB Bulk Only Mass Storage Compliant Bootable BIOS Support for simultaneous operation of all above devices. (only one at a time of each of the following groups supported: CF or ATA drive, SM or XD or NAND, SD or MMC) On-Chip 4-Bit High Speed Memory Stick and MS PRO Hardware Circuitry On-Chip firmware reads and writes High Speed Memory Stick and MS PRO 1-bit ECC correction performed in hardware for maximum efficiency Hardware support for SD Security Command Extensions On-chip power FETs for supplying flash media card power with minimum board components USB Bus Power Certified 3.3 Volt I/O with 5V input tolerance on VBUS/GPIO3 Complete USB Specification 2.0 Compatibility for Bus Powered Operation — Includes USB2.0 Transceiver — A Bi-directional Control and a Bi-directional Bulk Endpoint are provided. 8051 8 bit microprocessor — Provides low speed control functions — 30 Mhz execution speed at 4 cycles per instruct...