AT32UC3A4256S

The AT32UC3A4256S is designed as one kind of complete system-on-chip microcontroller device that incorporates on-chip Flash and SRAM memories for secure and fast access. And this device includes a powerfull External Bus Interface to interface all standard memory device like SRAM, SDRAM, NAND Flash or parallel interfaces like LCD Module.

Features of the AT32UC3A4256S are:(1)Two Master/Slave Serial Peripheral Interfaces (SPI) with Chip Select Signals;(2)One Synchronous Serial Protocol Controller Supports I2S and Generic Frame-Based Protocols;(3)Two Master/Slave Two-Wire Interface (TWI), 400kbit/s I2C-compatible;(4)Single 3.3V Power Supply;(5)One 8-channel 10-bit Analog-To-Digital Converter, multiplexed with Digital IOs;(6)Two Three-Channel 16-bit Timer/Counter (TC);(7)Four Universal Synchronous/Asynchronous Receiver/Transmitters (USART);(8)Prefetch Buffer Optimizing Instruction Execution at Maximum Speed;(9)4 ms Page Programming Time and 8ms Full-Chip Erase Time;(10)Flash Security Locks and User Defined Configuration Area.

The absolute maximum ratings of the AT32UC3A4256S can be summarized as:(1)Operating Temperature: -40°C to +85°C;(2)Storage Temperature: -60°C to +150°C;(3)Voltage on Input Pin with respect to Ground: -0.3V to 3.6V;(4)Maximum Operating Voltage (VDDCORE): 1.95 V;(5)Maximum Operating Voltage (VDDIO): 3.6 V. If you want to know more information about AT32UC3A4256S, please download the datasheet in www.seekic.com or www.chinaicmart.com .