ATMEGA329PA-MUR vs ATMEGA3290P-20AUR Comparison
Detailed side-by-side comparison of ATMEGA329PA-MUR 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
ATMEGA329PA-MUR - 8-bit AVR 20MHz 32KB Flash MCU 64-QFN | Microchip
ATMEGA329PA-MUR β ActiveMicrochip Technology
ATMEGA3290P-20AUR - AVR 8-Bit MCU 32KB 20MHz | Microchip
ATMEGA3290P-20AUR β ActiveSpecification Comparison
| Parameter | ATMEGA329PA-MUR | ATMEGA3290P-20AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.85 | $0.00 |
| Core | AVR 8-bit RISC | β |
| Program Memory (Flash) | 32 KB | 32 KB (16K x 16) ISP, read-while-write |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Maximum CPU Speed | 20 MHz | β |
| Supply Voltage (Vcc) | 1.8 V to 5.5 V | β |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) |
| General-Purpose I/O | 54 | 69 lines |
| Working Registers | 32 x 8-bit | 32 |
| ADC | 8-channel 10-bit | β |
| LCD Controller | Yes (up to 4x40 segments) | Yes, on-chip segment LCD driver |
| Communication Interfaces | USART, SPI, I2C (TWI) | β |
| Package | 64-lead QFN (9x9 mm) | 100-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Program Memory Type | In-System Programmable Flash (read-while-write) | β |
| RoHS Status | Compliant | Green / RoHS compliant per distributor data |
| MSL Level | 3 (per JEDEC J-STD-020, reflow 260C) | β |
| Packing | Tape & Reel | Tape & Reel (R suffix) |
| Core Architecture | β | AVR 8-bit RISC CMOS |
| Maximum Clock Frequency | β | 20 MHz |
| Peak Performance | β | 20 MIPS (approx. 1 MIPS/MHz) |
| Instruction Set | β | 130 instructions, most single-cycle |
| Supply Voltage Range | β | 2.7 V to 5.5 V |
| Debug / Programming | β | JTAG on-chip debug, ICSP self-programming |
| Low-Power Technology | β | picoPower |