ATMEGA329PA-MU vs ATMEGA329A-MUR Comparison
Detailed side-by-side comparison of ATMEGA329PA-MU by Microchip Technology and ATMEGA329A-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
ATMEGA329PA-MU - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-QFN | Microchip
ATMEGA329PA-MU ✓ ActiveMicrochip Technology
ATMEGA329A-MUR - 8-bit AVR MCU, 32KB Flash, 64-QFN | Microchip
ATMEGA329A-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329PA-MU | ATMEGA329A-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.18 | $3.61 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Program Memory Type | Flash (ISP, read-while-write) | — |
| Program Memory Size | 32 KB (16K x 16) | — |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Max CPU Clock | 20 MHz | — |
| Supply Voltage (Vcc) | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) |
| I/O Pins | 54 | 32 |
| General Purpose Registers | 32 | — |
| ADC | 8-channel, 10-bit | 10-bit |
| Timers/Counters | 2 x 8-bit, 1 x 16-bit | 2 x 8-bit, 1 x 16-bit |
| PWM Channels | 4 | — |
| Communication Interfaces | USART, SPI, TWI (I2C), JTAG | — |
| Package | 64-QFN (9x9 mm) | 64-pin QFN (9 x 9 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| RoHS Status | Compliant (lead-free, Green) | Compliant ("Green") |
| Program Memory (Flash) | — | 32 KB (16K x 16) |
| Maximum CPU Speed | — | 20 MHz |
| On-chip LCD Driver | — | Yes (segmented LCD) |
| Communication | — | USART, SPI, TWI (I2C-compatible) |
| Instruction Set | — | 131 instructions, mostly single-cycle |