ATMEGA329A-MUR vs ATMEGA329PA-MUR Comparison
Detailed side-by-side comparison of ATMEGA329A-MUR by Microchip Technology and ATMEGA329PA-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
ATMEGA329A-MUR - 8-bit AVR MCU, 32KB Flash, 64-QFN | Microchip
ATMEGA329A-MUR β ActiveMicrochip Technology
ATMEGA329PA-MUR - 8-bit AVR 20MHz 32KB Flash MCU 64-QFN | Microchip
ATMEGA329PA-MUR β ActiveSpecification Comparison
| Parameter | ATMEGA329A-MUR | ATMEGA329PA-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.61 | $3.85 |
| Core Architecture | 8-bit AVR RISC | β |
| Program Memory (Flash) | 32 KB (16K x 16) | 32 KB |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Maximum CPU Speed | 20 MHz | 20 MHz |
| Supply Voltage (Vcc) | 4.5 V to 5.5 V | 1.8 V to 5.5 V |
| I/O Pins | 32 | β |
| Package | 64-pin QFN (9 x 9 mm) with exposed pad | 64-lead QFN (9x9 mm) |
| On-chip LCD Driver | Yes (segmented LCD) | β |
| ADC | 10-bit | 8-channel 10-bit |
| Communication | USART, SPI, TWI (I2C-compatible) | β |
| Timers/Counters | 2 x 8-bit, 1 x 16-bit | β |
| Operating Temperature | -40 C to +85 C (Industrial) | -40C to +85C (industrial) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant ("Green") | Compliant |
| Instruction Set | 131 instructions, mostly single-cycle | β |
| Core | β | AVR 8-bit RISC |
| General-Purpose I/O | β | 54 |
| Working Registers | β | 32 x 8-bit |
| LCD Controller | β | Yes (up to 4x40 segments) |
| Communication Interfaces | β | USART, SPI, I2C (TWI) |
| Program Memory Type | β | In-System Programmable Flash (read-while-write) |
| MSL Level | β | 3 (per JEDEC J-STD-020, reflow 260C) |
| Packing | β | Tape & Reel |