ATMEGA1281-16MUR vs AT90CAN128-16MU Comparison
Detailed side-by-side comparison of ATMEGA1281-16MUR by Microchip Technology and AT90CAN128-16MU 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
ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA1281-16MUR ✓ ActiveMicrochip Technology
AT90CAN128-16MU - 16MHz 8-bit AVR MCU with CAN 128KB Flash | Microchip
AT90CAN128-16MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1281-16MUR | AT90CAN128-16MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.78 | $7.43 |
| Core | AVR 8-bit RISC | — |
| Maximum Clock Frequency | 16 MHz | — |
| Program Memory Size | 128 KB (64K x 16) Flash | — |
| SRAM Size | 8 KB | — |
| EEPROM Size | 4 KB | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| Number of I/O Lines | 54 | — |
| General Purpose Working Registers | 32 | 32 |
| Timers/Counters | 6 (flexible, with compare modes and PWM) | 4 with PWM and compare modes |
| USART Channels | 4 | — |
| Serial Interfaces | TWI (I2C-compatible), SPI | — |
| ADC Channels | 16-channel | — |
| Data Bus Width | 8 Bit | — |
| Package | 64-QFN (9x9 mm), VFQFN exposed pad | 64-pin QFN (9 mm x 9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Range | Industrial (-40C to +85C) | — |
| Life Cycle Stage | Active | — |
| Core Architecture | — | AVR 8-bit RISC |
| Program Memory (Flash) | — | 128 KB (128K x 8) |
| EEPROM | — | 4 KB |
| SRAM | — | 4 KB |
| Maximum CPU Frequency | — | 16 MHz |
| Supply Voltage (VCC) | — | 4.5 V to 5.5 V |
| General Purpose I/O Lines | — | 53 |
| Instruction Set | — | 133 instructions, mostly single-cycle |
| CAN Controller | — | CAN 2.0A / 2.0B compliant |
| UART / USART | — | 2x USART |
| Two-Wire Serial Interface (TWI/I²C) | — | Yes |
| SPI | — | Yes |
| ADC | — | 8-channel, 10-bit |
| Real-Time Counter | — | Yes, with separate oscillator |
| JTAG Debug Interface | — | Yes |
| Operating Temperature | — | [DATA_NEEDED: industrial temperature grade] |
| RoHS Status | — | Compliant |