Microchip Technology's ATMEGA164P-20AQR Microcontroller

The ATMEGA164P-20AQR is a high-performance, low-power Atmel 8-bit AVR RISC-based microcontroller from Microchip Technology, combining 16KB ISP flash memory, 1KB EEPROM, 2KB SRAM, 32 general purpose I/O lines, 32 general purpose working registers, a real-time counter, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented 2-wire serial interface, SPI serial port, a six-channel 10-bit A/D converter (eight channels in TQFP and QFN/MLF packages), programmable watchdog timer with internal oscillator, and five software selectable power saving modes.

The device operates at a maximum frequency of 20MHz with a voltage range of 1.8-5.5 volts. The on-chip analog-to-digital converter allows the microcontroller to interface directly with analog sensors and other input devices. The ATMEGA164P-20AQR's advanced RISC architecture enables the microcontroller to execute powerful instructions in a single clock cycle, enhancing the device's performance while maintaining energy efficiency.

This microcontroller is ideal for a wide range of applications, including industrial control, consumer electronics, medical devices, and automotive systems. Its robust set of peripherals and interfaces make it particularly well-suited for sensor management, actuator control, and other data-intensive tasks. The ATMEGA164P-20AQR also supports in-system programming, allowing for firmware updates and application code changes without the need for external programming hardware.

The ATMEGA164P-20AQR is available in a 44-pin QFN package, ensuring a compact footprint for space-constrained applications. Its extended temperature range makes it reliable in extreme environments, and its power-saving modes help to preserve battery life in portable applications.

With its combination of performance, power efficiency, and versatile features, the ATMEGA164P-20AQR from Microchip Technology is an excellent choice for designers looking to leverage a powerful microcontroller within their next embedded system project.