Microchip Technology's ATTINY441-MUR Microcontroller

The ATTINY441-MUR from Microchip Technology is a high-performance, low-power AVR® 8-bit microcontroller that combines 4KB ISP flash memory, 256B EEPROM, 256B SRAM, 12 general purpose I/O lines, 32 general purpose working registers, and a host of other robust features. This compact yet powerful microcontroller is designed for a variety of applications, ranging from industrial control systems to consumer electronics, and is particularly well-suited for space-constrained applications.

The ATTINY441-MUR operates within a voltage range of 1.8-5.5V, making it versatile for use in both battery-powered and powered devices. Its advanced RISC architecture enables the microcontroller to achieve impressive performance with a throughput approaching 1 MIPS per MHz, balancing power consumption and processing speed effectively.

One of the key features of the ATTINY441-MUR is its QTouch® library support, which provides a simple way to implement touch sensing capabilities. This feature is ideal for applications requiring user interfaces, such as touch buttons, sliders, and wheels, without the need for additional components.

The microcontroller also boasts a range of peripherals, including an 8-channel 10-bit A/D converter, a programmable watchdog timer with an internal oscillator, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a master/slave SPI serial interface, and a two-wire serial interface. These integrated peripherals allow for a reduction in system complexity and BOM cost.

For security and data integrity, the ATTINY441-MUR includes features such as lock bits and a unique 32-bit serial number, which can be used for USB dongles, device authentication, and other security applications. Additionally, the device supports self-programming for firmware upgrades and is compatible with in-system programming and in-circuit debugging using on-chip debug capability.

Overall, the ATTINY441-MUR is a feature-rich, versatile microcontroller that offers an excellent balance of power efficiency and processing capability, making it an ideal choice for a wide array of embedded systems.