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