A complete system-on-chip 32-bit AVR microcontroller. It is designed for cost-sensitive embedded applications that require low power consumption, high code density and high performance.
The microcontroller's Memory Protection Unit (MPU) and fast, flexible interrupt controller support the latest real-time operating systems. Higher computation capabilities are achievable using a rich set of DSP instructions. The device incorporates on-chip flash and SRAM memories for secure and fast access. 64 KBytes of SRAM are directly coupled to the 32-bit AVR UC3 for performance optimization. Two blocks of 32 Kbytes SRAM are independently attached to the high speed bus matrix for real ping-pong management.
The microcontroller achieves exceptionally high data throughput by combining the multi-layered 32-bit AVR databus,128 KB on-chip SRAM with triple high speed interfaces, multi-channel peripheral, memory-to-memory DMA controller, high-speed USB embedded host, SD/SDIO card, MLC NAND flash with ECC, and SDRAM interfaces.
This device features 256KB internal high-speed flash, built-in hi-fi stereo audio D/A converter and full-duplex multi-channel I2S audio interface.
The AT32UC3A3256AU is the Audio version of the AT32UC3A3256. It allows the execution of Microchip licensed Audio firmware IPs.
One version is available:
| Microchip Technology, Inc. | |
|---|---|
| Product Category | Microcontrollers (MCU) |
| Product Number | AT32UC3A3256AU |
| Clock Speed | 66 MHz |
| Bits | Other; 10-bit |
| Number | 8 |
| RAM | 128 KB |
| ROM | 256 KB |
