ATMEGA32U4-AUR vs ATMEGA16U4-AU Comparison

Detailed side-by-side comparison of ATMEGA32U4-AUR by Microchip Technology and ATMEGA16U4-AU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Microchip Technology
ATMEGA32U4-AUR ATMEGA32U4-AUR - 8-Bit AVR MCU, USB, 16MHz | Microchip

ATMEGA32U4-AUR - 8-Bit AVR MCU, USB, 16MHz | Microchip

ATMEGA32U4-AUR ✓ Active
Microchip Technology
ATMEGA16U4-AU ATMEGA16U4-AU - 8-Bit AVR MCU 16KB Flash USB 16MHz | Microchip

ATMEGA16U4-AU - 8-Bit AVR MCU 16KB Flash USB 16MHz | Microchip

ATMEGA16U4-AU ✓ Active

Specification Comparison

Parameter ATMEGA32U4-AUR ATMEGA16U4-AU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Core Architecture 8-bit AVR RISC —
Flash Program Memory 32 KB (16K x 16), self-programming ISP —
SRAM 2.5 KB 2.5 KB
EEPROM 1 KB 1 KB (1024 B)
Maximum Clock Frequency 16 MHz —
Throughput 16 MIPS at 16 MHz —
Instructions 131 powerful instructions, most single-cycle —
USB Interface USB 2.0 full-speed/low-speed device with on-chip transceiver —
ADC 12-channel, 10-bit 12-channel, 10-bit
Debug Interface JTAG for on-chip debug —
Operating Voltage Range 2.7 V to 5.5 V —
Package 44-TQFP (10x10 mm) 44-TQFP (10x10 mm)
Mounting Type Surface Mount Surface Mount
Temperature Range Industrial (-40C to +85C) —
RoHS Status Compliant (lead-free, green) —
Packaging Tape & Reel (R suffix) —
Instruction Set AVR 133 powerful instructions, most single-cycle
Core Processor — AVR 8-bit RISC
Core Size — 8-bit
Speed — 16 MHz
Flash Memory — 16 KB (8K x 16)
Boot Flash Section — 8 KB
Supply Voltage Range — 2.7 V to 5.5 V
USB Controller — USB 2.0 full-speed / low-speed device
JTAG Interface — Yes, on-chip debug
Peripherals — High-speed PWM, USB, JTAG, brown-out detect, power-on reset
Life Cycle Stage — Active
Operating Temperature — [DATA_NEEDED: Operating temperature range]
Number of I/O — [DATA_NEEDED: Number of I/O pins]

Datasheets & Resources

Browse All Products Create BOM Request Quote