ATMEGA329-16AUR vs ATMEGA329A-MUR Comparison
Detailed side-by-side comparison of ATMEGA329-16AUR 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
ATMEGA329-16AUR - AVR 8-bit MCU 16MHz 32KB LCD | Microchip
ATMEGA329-16AUR β ActiveMicrochip Technology
ATMEGA329A-MUR - 8-bit AVR MCU, 32KB Flash, 64-QFN | Microchip
ATMEGA329A-MUR β ActiveSpecification Comparison
| Parameter | ATMEGA329-16AUR | ATMEGA329A-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.15 | $3.61 |
| Core Processor | AVR 8-bit RISC | β |
| Core Size | 8-bit | β |
| Speed | 16 MHz | β |
| Program Memory Size | 32 KB (16K x 16) FLASH | β |
| EEPROM Size | 1 KB | β |
| RAM Size | 2 KB SRAM | β |
| Supply Voltage Range | 4.5 V to 5.5 V | β |
| Number of I/O | 54 general purpose I/O lines | β |
| LCD Controller | Integrated segment LCD driver | β |
| ADC | 8-channel 10-bit | 10-bit |
| JTAG | Yes (IEEE 1149.1 boundary scan / on-chip debug) | β |
| Instructions | 131 powerful instructions, most single-cycle | β |
| Package | 64-TQFP (14x14 mm, 0.8 mm pitch) | 64-pin QFN (9 x 9 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial, per ATMEGA329-16AI grade family) | -40 C to +85 C (Industrial) |
| Packaging | Tape & Reel (R suffix) | β |
| Life Cycle Stage | ACTIVE | β |
| RoHS Status | Compliant | Compliant ("Green") |
| Core Architecture | β | 8-bit AVR RISC |
| Program Memory (Flash) | β | 32 KB (16K x 16) |
| SRAM | β | 2 KB |
| EEPROM | β | 1 KB |
| Maximum CPU Speed | β | 20 MHz |
| Supply Voltage (Vcc) | β | 4.5 V to 5.5 V |
| I/O Pins | β | 32 |
| On-chip LCD Driver | β | Yes (segmented LCD) |
| Communication | β | USART, SPI, TWI (I2C-compatible) |
| Timers/Counters | β | 2 x 8-bit, 1 x 16-bit |
| Instruction Set | β | 131 instructions, mostly single-cycle |