ATmega32U4 Datasheet 8-bit Microcontroller

Manufacturer: Atmel (now Microchip Technology)

Download the ATmega32U4 datasheet PDF. This datasheet also includes the ATmega16U4 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

ATmega32U4 8-bit microcontroller by Atmel (now Microchip Technology) - Datasheet Preview — Note: The manufacturer provides a single datasheet file (ATmega16U4-ATMEL.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	ATmega32U4
Manufacturer	Atmel (now Microchip Technology)
File Size	5.35 MB
Description	8-bit Microcontroller
Datasheet	ATmega32U4 Datasheet

Overview

ATmega16U4/ATmega32U4 8-bit Microcontroller with 16/32K bytes of ISP Flash and USB.

Key Features

High Performance, Low Power AVR® 8-Bit Microcontroller.
Advanced RISC Architecture.
135 Powerful Instructions.
Most Single Clock Cycle Execution.
32 x 8 General Purpose Working Registers.
Fully Static Operation.
Up to 16 MIPS Throughput at 16MHz.
On-Chip 2-cycle Multiplier.
Non-volatile Program and Data Memories.
16/32KB of In-System Self-Programmable Flash.
1.25/2.5KB Internal SRAM.
512B.

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