ATMEGA32U4-MUR vs ATMEGA32U4-AU Comparison
Detailed side-by-side comparison of ATMEGA32U4-MUR by Microchip Technology and ATMEGA32U4-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-MUR - 8-Bit AVR USB MCU 16MHz 32KB | Microchip
ATMEGA32U4-MUR ✓ ActiveMicrochip Technology
ATMEGA32U4-AU - 8-bit AVR MCU, 16MHz, 32KB Flash, USB | Microchip
ATMEGA32U4-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA32U4-MUR | ATMEGA32U4-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.86 | $4.25 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Core Frequency | 16 MHz | — |
| Program Memory (Flash) | 32 KB (16K x 16) | — |
| SRAM | 2.5 KB | 2.5 KB |
| EEPROM | 1 KB | 1 KB |
| USB Interface | USB 2.0 full-speed/low-speed device | — |
| ADC Resolution / Channels | 10-bit, 12-channel | — |
| Debug Interface | JTAG (on-chip debug) | JTAG / debugWIRE |
| Package | 44-VQFN (7x7 mm), exposed pad | 44-pin TQFP (10x10 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Throughput | Up to 16 MIPS (approx. 1 MIPS/MHz) | 16 MIPS at 16 MHz |
| Operating Temperature | [DATA_NEEDED: Operating Temperature Range] | -40 C to +85 C (industrial) |
| Operating Voltage Range | [DATA_NEEDED: Operating Voltage Range] | — |
| MSL Level | [DATA_NEEDED: Moisture Sensitivity Level] | — |
| RoHS Status | Compliant (Green) | Compliant |
| Program Memory Type | Self-programming Flash | — |
| CPU Speed | — | 16 MHz |
| Flash Program Memory | — | 32 KB (16K x 16) |
| Supply Voltage | — | 2.7 V to 5.5 V (verified 4.5-5.5V in some sources; full range per datasheet) |
| I/O Pins | — | 32 programmable |
| USB | — | USB 2.0 full-speed / low-speed device, on-chip transceiver |
| ADC | — | 12-channel, 10-bit |
| Timers | — | 4 (2x 8-bit, 2x 16-bit) |
| Communication | — | USB, USART, SPI, TWI (I2C) |
| Instruction Set | — | 131 instructions, mostly single-cycle |