ST7267C8 USB 2.0高速大容量存储的微控制器
Storage microcontroller. The USB 2.0 highspeed interface including PHY and function supports USB 2.0 Mass Storage Device Class.The Mass Storage Controller Interface (MSCI) features a 16-bit RISC ALU core combined with the Reed-Solomon Encoder/Decoder on-the-fly correction
on 512 data byte blocks provides a flexible,high transfer rate solution for interfacing all types
of NAND Flash memory devices.The internal 60 MHz PLL driven by the 12 MHz oscillator is used to generate the 480 MHz frequency for the USB 2.0 PHY.The ST7 CPU runs the application program from the internal ROM and RAM. USB data and patch code are stored in internal RAM. The I/O ports provide functions for EEPROM connection,LEDs and write protect switch control.The internal 3.3V to 1.8V voltage regulator provides the 1.8V supply voltage to the digital part of the circuit.
1.1 Related Documentation For details on the programming model of the ST7 CPU and the MSCI, please refer to the following manuals:
■ Mass Storage Controller Interface MSCI 16-bit Core Programming Manual
■ ST7 Programming Manual
| Features | ST7267C8 | ST7267R8 |
| Program memory | 54K | |
| User RAM (stack) - bytes | 4K (256) | |
| Peripherals | WDG, TBU, Timer, SPI, MSCI | |
| USB interface | USB 2.0 | |
| # of NAND devices supported | 4 | |
| Operating Supply | 2.7V to 3.6V | |
| Operating Temperature | 0°C to +70°C | |
| Packages | LQFP48 7x7 | LQFP64 10x10 |
ST7267C8 产品特点
- 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 - 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 - LQFP48 7x7 and LQFP64 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 2.0 Flash Drive application
ST7267C8 技术支持与电子电路设计开发资源下载
- ST7267C8 数据手册 DataSheet 下载.pdf
- ST7 微控制器选型指南.pdf
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