ATMEGA32U4-MU

The ATMEGA32U4-MU is a high performance, low power 8bit AVR RISC based microcontroller in 44 pin VQFN package. This device achieves throughputs approaching 1MIPS per MHz by executing powerful instructions in a single clock cycle. This allows system designer to optimize power consumption versus processing speed. The device has 32 general purpose working registers, four flexible timer/counters with compare modes and PWM, high speed timer/counter with compare modes and PLL adjustable source, 12 channels 10bit ADC with optional differential input stage, on-chip calibrated temperature sensor and programmable watchdog timer with internal oscillator.

• Maximum operating frequency of 16MHz
• 32KB of in-system self programmable flash
• 2.5KB internal SRAM
• JTAG (IEEE std 1149.1 compliant), USB 2.0, USART and SPI interfaces
• Operating voltage range from 2.7V to 5.5V
• 26 general purpose I/O lines
• Power-on reset and programmable brown out detection
• External and internal interrupt sources
• Internal 8MHz calibrated oscillator
• Operating temperature range from -40°C to 85°C

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