ATMEGA329A-MUR vs ATMEGA329P-20MUR Comparison
Detailed side-by-side comparison of ATMEGA329A-MUR by Microchip Technology and ATMEGA329P-20MUR 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
ATMEGA329A-MUR - 8-bit AVR MCU, 32KB Flash, 64-QFN | Microchip
ATMEGA329A-MUR ✓ ActiveMicrochip Technology
ATMEGA329P-20MUR - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-QFN | Microchip
ATMEGA329P-20MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329A-MUR | ATMEGA329P-20MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.61 | $5.40 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 32 KB (16K x 16) | 32 KB (16K x 16) |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Maximum CPU Speed | 20 MHz | — |
| Supply Voltage (Vcc) | 4.5 V to 5.5 V | 1.8 V to 5.5 V (5V operation at 20 MHz) |
| I/O Pins | 32 | — |
| Package | 64-pin QFN (9 x 9 mm) with exposed pad | 64-QFN (9x9 mm) |
| On-chip LCD Driver | Yes (segmented LCD) | — |
| ADC | 10-bit | 10-bit successive approximation |
| Communication | USART, SPI, TWI (I2C-compatible) | — |
| Timers/Counters | 2 x 8-bit, 1 x 16-bit | — |
| Operating Temperature | -40 C to +85 C (Industrial) | -40C to +85C (Industrial) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant ("Green") | Compliant (Green) |
| Instruction Set | 131 instructions, mostly single-cycle | — |
| Maximum CPU Frequency | — | 20 MHz |
| General-Purpose I/O | — | 54 |
| General-Purpose Registers | — | 32 |
| LCD Controller | — | Yes (integrated) |
| JTAG Interface | — | Yes |
| picoPower Technology | — | Yes |
| MSL Level | — | [DATA_NEEDED: MSL level] |