ATMEGA329P-20MUR vs ATMEGA3290P-20AUR Comparison
Detailed side-by-side comparison of ATMEGA329P-20MUR by Microchip Technology and ATMEGA3290P-20AUR 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
ATMEGA329P-20MUR - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-QFN | Microchip
ATMEGA329P-20MUR ✓ ActiveMicrochip Technology
ATMEGA3290P-20AUR - AVR 8-Bit MCU 32KB 20MHz | Microchip
ATMEGA3290P-20AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329P-20MUR | ATMEGA3290P-20AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.40 | $0.00 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC CMOS |
| Program Memory (Flash) | 32 KB (16K x 16) | 32 KB (16K x 16) ISP, read-while-write |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Maximum CPU Frequency | 20 MHz | — |
| Supply Voltage (Vcc) | 1.8 V to 5.5 V (5V operation at 20 MHz) | — |
| General-Purpose I/O | 54 | 69 lines |
| General-Purpose Registers | 32 | — |
| ADC | 10-bit successive approximation | — |
| Package | 64-QFN (9x9 mm) | 100-TQFP (14x14 mm) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Mounting Type | Surface Mount | Surface Mount |
| LCD Controller | Yes (integrated) | Yes, on-chip segment LCD driver |
| JTAG Interface | Yes | — |
| picoPower Technology | Yes | — |
| RoHS Status | Compliant (Green) | Green / RoHS compliant per distributor data |
| MSL Level | [DATA_NEEDED: MSL level] | — |
| Maximum Clock Frequency | — | 20 MHz |
| Peak Performance | — | 20 MIPS (approx. 1 MIPS/MHz) |
| Instruction Set | — | 130 instructions, most single-cycle |
| Working Registers | — | 32 |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Debug / Programming | — | JTAG on-chip debug, ICSP self-programming |
| Low-Power Technology | — | picoPower |
| Packing | — | Tape & Reel (R suffix) |