ATMEGA329-16MUR vs ATMEGA1281-16MUR Comparison
Detailed side-by-side comparison of ATMEGA329-16MUR by Microchip Technology and ATMEGA1281-16MUR 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
ATMEGA329-16MUR - 32KB Flash 16MHz AVR MCU, 64-QFN | Microchip
ATMEGA329-16MUR ✓ ActiveMicrochip Technology
ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA1281-16MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329-16MUR | ATMEGA1281-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.95 | $8.78 |
| Core | AVR 8-bit RISC | AVR 8-bit RISC |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Flash Program Memory | 32 KB (16K x 16) | — |
| EEPROM | 1 KB | — |
| SRAM | 2 KB | — |
| Supply Voltage Range | 4.5 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 54 lines | — |
| ADC Resolution | 10-bit | — |
| LCD Controller | Segment LCD, 25 segments x 4 commons | — |
| JTAG Interface | Yes (on-chip debug and boundary scan) | — |
| Instructions | 131 instructions, mostly single-cycle | — |
| Package | 64-QFN (9x9 mm), 0.8 mm pitch, exposed pad | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Programming Interface | ISP / ICSP via SPI, JTAG | — |
| Lifecycle Status | Active | — |
| Program Memory Size | — | 128 KB (64K x 16) Flash |
| SRAM Size | — | 8 KB |
| EEPROM Size | — | 4 KB |
| Number of I/O Lines | — | 54 |
| General Purpose Working Registers | — | 32 |
| Timers/Counters | — | 6 (flexible, with compare modes and PWM) |
| USART Channels | — | 4 |
| Serial Interfaces | — | TWI (I2C-compatible), SPI |
| ADC Channels | — | 16-channel |
| Data Bus Width | — | 8 Bit |
| Temperature Range | — | Industrial (-40C to +85C) |
| Life Cycle Stage | — | Active |