ATMEGA32U4-AUR vs ATMEGA32U4 Comparison
Detailed side-by-side comparison of ATMEGA32U4-AUR by Microchip Technology and ATMEGA32U4 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 - 8-bit AVR MCU, 32KB Flash, USB 2.0 | Microchip
ATMEGA32U4 ✓ ActiveSpecification Comparison
| Parameter | ATMEGA32U4-AUR | ATMEGA32U4 |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.20 | $3.72 |
| 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 |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Throughput | 16 MIPS at 16 MHz | Up to 16 MIPS (1 MIPS per MHz) |
| Instructions | 131 powerful instructions, most single-cycle | — |
| USB Interface | USB 2.0 full-speed/low-speed device with on-chip transceiver | USB 2.0 full-speed / low-speed device, 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-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | — |
| Temperature Range | Industrial (-40C to +85C) | — |
| RoHS Status | Compliant (lead-free, green) | Compliant (per ATMEGA32U4-AU DigiKey listing) |
| Packaging | Tape & Reel (R suffix) | — |
| Instruction Set | AVR | — |
| Architecture | — | AVR enhanced RISC, 8-bit |
| Program Memory (Flash) | — | 32 KB (16K x 16), In-System Programmable |
| General Purpose I/O Lines | — | 26 |
| General Purpose Working Registers | — | 32 |
| Timer/Counters | — | 4 flexible + 1 high-speed (compare modes, PWM) |
| Communication Interfaces | — | 1x USART, 1x SPI, 1x I2C (TWI) |
| JTAG Interface | — | Yes (on-chip debug) |
| Operating Voltage | — | 2.7 V to 5.5 V |
| Operating Temperature | — | -40 C to +85 C |
| Programming Method | — | ISP via SPI, JTAG, USB bootloader |