Microchip ATMEGA8535-16AUR: An 8-Bit AVR Microcontroller for Embedded Control Applications

The Microchip ATMEGA8535-16AUR stands as a robust and highly capable 8-bit microcontroller, engineered to deliver powerful performance for a vast array of embedded control applications. As a core member of the renowned AVR family, this microcontroller combines high computational efficiency, rich peripheral integration, and low power consumption, making it a classic and enduring choice for designers.

At the heart of the device is an advanced RISC architecture capable of executing powerful instructions in a single clock cycle. This allows the ATmega8535 to achieve throughputs approaching 1 MIPS per MHz, enabling the system designer to optimize power consumption versus processing speed. The microcontroller operates at a maximum frequency of 16 MHz, as denoted by the "-16" in its part number, providing ample speed for complex control algorithms and real-time responses.

A key strength of the ATmega8535-16AUR lies in its integrated set of peripherals, which minimizes external component count and reduces total system cost. It features 8 KB of in-system self-programmable Flash memory for flexible application code storage, 512 bytes of EEPROM for critical data retention, and 512 bytes of internal SRAM. Its rich I/O capabilities include a 10-bit ADC with 8 channels, making it ideal for sensor interfacing and analog signal acquisition. Furthermore, it incorporates multiple communication interfaces such as USART, SPI, and a Two-wire Serial Interface (I2C), providing seamless connectivity with other system components.

The ATMEGA8535-16AUR is packaged in a 44-pin TQFP (Thin Quad Flat Pack), which is designated by the "UR" suffix. This compact form factor is suitable for space-constrained PCB designs while offering a sufficient number of I/O lines (32 programmable I/O lines) to interface with buttons, displays, motors, and numerous other devices. Its robust design supports operating voltages from 4.5V to 5.5V and includes features like watchdog timer, brown-out detection, and internal calibrated oscillator, enhancing system reliability and stability.

Typical applications leveraging the capabilities of the ATmega8535 span across industrial control systems, automotive electronics, sensor nodes, motor control units, and a multitude of consumer products. Its blend of performance, integration, and cost-effectiveness ensures it remains a relevant solution for both prototyping and mass production.

ICGOOODFIND: The Microchip ATMEGA8535-16AUR is a highly integrated and reliable 8-bit AVR microcontroller. Its balanced architecture of ample memory, versatile peripherals, and a 16 MHz operating speed makes it a powerful and economical core for a wide spectrum of embedded control designs, from simple automation to complex interactive systems.

Keywords: AVR Microcontroller, Embedded Control, RISC Architecture, In-System Programmable, Analog-to-Digital Converter (ADC)