ATMEGA329P-20ANR vs ATMEGA329A-MUR Comparison
Detailed side-by-side comparison of ATMEGA329P-20ANR 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
ATMEGA329P-20ANR - 8-bit AVR MCU 32KB Flash 20MHz 64-TQFP | Microchip
ATMEGA329P-20ANR ✓ ActiveMicrochip Technology
ATMEGA329A-MUR - 8-bit AVR MCU, 32KB Flash, 64-QFN | Microchip
ATMEGA329A-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329P-20ANR | ATMEGA329A-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.30 | $3.61 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Program Memory Type | Flash (In-System Programmable) | — |
| Program Memory Size | 32 KB (16K x 16) | — |
| SRAM Size | 2 KB | — |
| EEPROM Size | 1 KB | — |
| Maximum CPU Speed | 20 MHz | 20 MHz |
| MIPS Throughput | 16 MIPS (up to 20 MHz) | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Operating Temperature Range | -40 C to +105 C | — |
| Number of I/O Pins | 54 | — |
| Number of General-Purpose Registers | 32 | — |
| ADC | 8-channel, 10-bit | 10-bit |
| Timers/Counters | Two 8-bit, One 16-bit | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | USART, SPI (Master/Slave), TWI (I2C) | — |
| Debug Interface | JTAG | — |
| Package | 64-TQFP (14x14 mm) | 64-pin QFN (9 x 9 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Lead-Free / RoHS | Compliant | — |
| Program Memory (Flash) | — | 32 KB (16K x 16) |
| SRAM | — | 2 KB |
| EEPROM | — | 1 KB |
| Supply Voltage (Vcc) | — | 4.5 V to 5.5 V |
| I/O Pins | — | 32 |
| On-chip LCD Driver | — | Yes (segmented LCD) |
| Communication | — | USART, SPI, TWI (I2C-compatible) |
| Operating Temperature | — | -40 C to +85 C (Industrial) |
| RoHS Status | — | Compliant ("Green") |
| Instruction Set | — | 131 instructions, mostly single-cycle |