Overview: www.DataSheet4U.com ST7267 USB 2.0 HIGH SPEED MASS STORAGE MICROCONTROLLER
PRELIMINARY DATA
■ ■ ■ ■ ■ ■ USB 2.0 Interface compliant with Mass Storage Device Class – Integrated USB 2.0 PHY – Supports USB High Speed and Full Speed – 1 control endpoint with two 64-byte buffers – 1 IN 64-byte bulk / interrupt endpoint – 1 OUT 64-byte bulk / interrupt endpoint – 1 IN 512-byte double buffer bulk endpoint – 1 OUT 512-byte double buffer bulk endpoint – Suspend and Resume operations Mass Storage Controller Interface (MSCI) – 16-bit RISC Core – Supports all types of NAND Flash devices – Reed-Solomon Encoder/Decoder for MLC NAND Flash support: on-the-fly correction (4 bytes of a 512-byte block) Memories – 54K of ROM – 4 Kbytes of RAM with up to 256 bytes stack – 2 Kbytes of MSCI CODE RAM – 5 Kbytes of dual-ported RAM Embedded 8-bit ST7 MCU Supply Management – 3.3V operation – Integrated 3.3V-1.8V voltage regulator Clock Management – Integrated PLL for generating core and USB 2.0 clock sources using an external 12 MHz crystal TQFP48 7x7
■ TQFP64 10x10 ■ ■ ■ ■ ■ Interrupt Management – 11 Interrupt vectors plus TRAP and RESET – 40 I/Os interrupt source mapped on 5 vectors – Nested interrupt management I/O Ports – Up to 40 general purpose I/O port pins – Two 5V tolerant I/Os Communication Interface – 1 SPI Synchronous serial interface Timers – Configurable Watchdog for system reliability – 16-bit timer – Time Base Unit TQFP48 7x7 and TQFP64 10x10 lead-free packages Development Support – Complete reference design including BOM and gerber files – Supports Windows ME, Windows 2K, Windows XP. Drivers available for Windows SE – Complete application package available to design a USB 2.
