SPEAr300中文资料Embedded MPU optimized for VoIP, HMI and security applications数据手册ST规格书

特性 Features

• SecurityC3 cryptographic accelerator
• Connectivity2 x USB 2.0 HostUSB 2.0 DeviceFast Ethernet (MII port)1x SSP Synchronous serial peripheral (SPI, Microwire or TI protocol)1x I2C1x I2S,1x fast IrDA interface1x UART interfaceTDM bus (512 timeslots)Up to 8 additional I2C/SPI chip selects
• Miscellaneous functionsIntegrated real time clock, watchdog, and system controller8-channel 10-bit ADC, 1 Msps1-bit DACJPEG codec acceleratorSix 16-bit general purpose timers with capture mode and programmable prescalerUp to 62 GPIOs
• ARM926EJ-S core up to 333 MHz
• Dynamic power-saving features
• High-performance 8-channel DMA
• Memory32 KB ROM and 56 KB internal SRAMLPDDR-333/DDR2-666 external memory interface (up to 1 GB addressable memory)SDIO/MMC card interfaceSerial Flash memory interface (SMI)Flexible static memory controller (FSMC) up to 16-bit data bus width, supporting external SRAM, NAND/NOR Flash and FPGAsSerial SPI Flash interface
• Peripherals supportedCamera interface (ITU-601/656 and CSI2 support)TFT/STN LCD controller (resolution up to 1024 x 768 and up to 24 bpp)Touchscreen support (using the ADC)9 x 9 keyboard controllerGlueless management of up to 8 SLICs/CODECs
• Configurable peripheral functions on 102 shared I/Os

简介

SPEAr300属于集成电路（IC）的微处理器。由制造生产的SPEAr300微处理器微处理器产品是用于信息和数据处理的集成电路。与主要按照制造商所选术语而视为微控制器的类似产品相比，这些器件有所不同。但是按照传统，微处理器不会在设备内集成工作存储器，不太可能集成混合信号外设，并且可能在更为复杂的软件范式下使用，这些范式涉及使用操作系统来管理多任务同时执行。