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ATmega16U4
  • ATmega16U4
  • ATmega16U4

ATmega16U4

In Production

The low power, high-performance Microchip 8-bit AVR® RISC-based microcontroller featuring 16 KB ISP flash memory, 8 KB boot code section, 2.5 KB SRAM, 1024B EEPROM, USB 2.0 full-speed/low-speed device, high-speed PWMs, 12-channel 10-bit A/D-converter, and JTAG interface for on-chip-debug. The device achieves up to 16 MIPS throughput at 16 MHz. 2.7-5.5V operation. By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching one MIPS per MHz, allowing you to optimize power consumption versus processing speed....

Microchip Technology ATmega16U4 Product Info

16 April 2026 0

Parameters

Program Memory Size (KB)

16

RAM

1256

Data EEPROM (bytes)

512

Pin Count

44

Operation Voltage Max.(V)

5.5

Operation Voltage Min.(V)

2.7

ADC Resolution Max

10

ADC Channels

12

Zero Cross Detect

False

Number of Comparators

1

SPI

2

I2C

1

Stand alone PWM

8

Low Power

No

Numerically Controlled Oscillator (NCO)

0

Data Signal Modulator (DSM)

0

Description

The low power, high-performance Microchip 8-bit AVR® RISC-based microcontroller featuring 16 KB ISP flash memory, 8 KB boot code section, 2.5 KB SRAM, 1024B EEPROM, USB 2.0 full-speed/low-speed device, high-speed PWMs, 12-channel 10-bit A/D-converter, and JTAG interface for on-chip-debug. The device achieves up to 16 MIPS throughput at 16 MHz. 2.7-5.5V operation.

By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching one MIPS per MHz, allowing you to optimize power consumption versus processing speed.

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