Microchip Technology AT90USB647-AU

The AT90USB647-AU is a high-performance, low-power 8-bit microcontroller from Microchip Technology's esteemed AT90 series, designed to provide an optimal solution for a wide range of embedded applications. This microcontroller is based on the advanced RISC architecture, which enables it to execute powerful instructions in a single clock cycle, thus achieving throughputs approaching 1 MIPS per MHz. This balance of performance and power consumption makes the AT90USB647-AU an excellent choice for battery-powered devices and other applications where efficiency is key.

The AT90USB647-AU comes in a 64-pin TQFP (Thin Quad Flat Package) and features 64KB of in-system programmable flash, allowing the device to be programmed while installed in the end application. This feature significantly reduces development time and facilitates firmware updates. The microcontroller also includes 4KB of EEPROM and 4KB of internal SRAM, providing ample storage for application code and data.

One of the standout features of the AT90USB647-AU is its USB 2.0 full-speed/low-speed device module with interrupt on transfer completion. It supports data transfer rates of up to 12 Mbit/s and is compliant with USB 2.0 specifications. This makes the microcontroller ideal for USB-enabled applications such as PC peripherals, game controllers, and other devices that require a reliable USB interface.

Additional features of the AT90USB647-AU include a 10-bit ADC (Analog-to-Digital Converter) with 8 channels, allowing for precise analog signal measurement. It also offers a variety of peripherals such as USART, SPI, and two-wire serial interfaces, which provide flexible connection options for serial communications. The device operates within a voltage range of 2.7V to 5.5V, accommodating a broad spectrum of power supplies and ensuring compatibility with both 3.3V and 5V systems.

Overall, the AT90USB647-AU from Microchip Technology is a robust microcontroller that combines USB connectivity, a rich set of peripherals, and high performance with low power consumption, making it a versatile choice for designers looking to enhance their embedded systems.