ATMEGA32U4 vs ATMEGA32U4-MUR Comparison
Detailed side-by-side comparison of ATMEGA32U4 by Microchip Technology and ATMEGA32U4-MUR 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 ✓ ActiveMicrochip Technology
ATMEGA32U4-MUR - 8-Bit AVR USB MCU 16MHz 32KB | Microchip
ATMEGA32U4-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA32U4 | ATMEGA32U4-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.72 | $4.86 |
| Architecture | AVR enhanced RISC, 8-bit | — |
| Program Memory (Flash) | 32 KB (16K x 16), In-System Programmable | 32 KB (16K x 16) |
| SRAM | 2.5 KB | 2.5 KB |
| EEPROM | 1 KB | 1 KB |
| General Purpose I/O Lines | 26 | — |
| General Purpose Working Registers | 32 | — |
| Maximum Clock Frequency | 16 MHz | — |
| Throughput | Up to 16 MIPS (1 MIPS per MHz) | Up to 16 MIPS (approx. 1 MIPS/MHz) |
| USB Interface | USB 2.0 full-speed / low-speed device, on-chip transceiver | USB 2.0 full-speed/low-speed device |
| ADC | 12-channel, 10-bit | — |
| 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 | [DATA_NEEDED: Operating Temperature Range] |
| Package | 44-pin TQFP (10x10 mm) | 44-VQFN (7x7 mm), exposed pad |
| RoHS Status | Compliant (per ATMEGA32U4-AU DigiKey listing) | Compliant (Green) |
| Programming Method | ISP via SPI, JTAG, USB bootloader | — |
| Core Architecture | — | 8-bit AVR RISC |
| Core Frequency | — | 16 MHz |
| ADC Resolution / Channels | — | 10-bit, 12-channel |
| Debug Interface | — | JTAG (on-chip debug) |
| Mounting Type | — | Surface Mount |
| Operating Voltage Range | — | [DATA_NEEDED: Operating Voltage Range] |
| MSL Level | — | [DATA_NEEDED: Moisture Sensitivity Level] |
| Program Memory Type | — | Self-programming Flash |