ATMEGA128-16MI vs ATMEGA1281-16MUR Comparison
Detailed side-by-side comparison of ATMEGA128-16MI 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
ATMEGA128-16MI - 8-Bit AVR MCU 128KB Flash 16MHz | Microchip
ATMEGA128-16MI ✓ ActiveMicrochip Technology
ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA1281-16MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128-16MI | ATMEGA1281-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed | 16 MHz | — |
| Program Memory Size | 128 KB (128K x 8) Flash | 128 KB (64K x 16) Flash |
| EEPROM Size | 4 KB | 4 KB |
| RAM Size | 4 KB SRAM | — |
| Number of I/O | 53 | — |
| Peripherals | SPI, UART, TWI (I2C), JTAG, PWM, WDT, Brown-out Detect/Reset | — |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8 | 16-channel |
| Operating Voltage | 4.5 V to 5.5 V | — |
| Operating Temperature | [DATA_NEEDED: Operating Temperature Range] | — |
| Oscillator Type | Internal | — |
| Package | 64-VFQFN Exposed Pad | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Data Converters | A/D 8x10-bit | — |
| Connectivity | SPI, UART/USART, TWI | — |
| Core | — | AVR 8-bit RISC |
| Maximum Clock Frequency | — | 16 MHz |
| SRAM Size | — | 8 KB |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| 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 |
| Data Bus Width | — | 8 Bit |
| Temperature Range | — | Industrial (-40C to +85C) |
| Life Cycle Stage | — | Active |