ATMEGA128-16MU vs ATMEGA1281-16MUR Comparison
Detailed side-by-side comparison of ATMEGA128-16MU 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
ATMEGA128-16MU - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA128-16MU ✓ ActiveMicrochip Technology
ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA1281-16MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA128-16MU | ATMEGA1281-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| CPU Speed | 16 MHz | — |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | — |
| EEPROM | 4 KB | — |
| SRAM | 4 KB | — |
| GPIO Count | 53 I/O lines | — |
| ADC | 8-channel 10-bit | — |
| Timers/Counters | 4 with compare modes and PWM | 6 (flexible, with compare modes and PWM) |
| USART | 2 | — |
| TWI (I2C) | Yes, byte-oriented Two-Wire Interface | — |
| SPI | Yes | — |
| JTAG | Yes, on-chip debugging and boundary scan | — |
| Package | 64-QFN (9x9 mm, MLF) | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | 2.7 V to 5.5 V |
| RoHS Status | [DATA_NEEDED: RoHS status] | — |
| Compatibility | 100% pin compatible with ATmega103 | — |
| 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 |
| Number of I/O Lines | — | 54 |
| General Purpose Working Registers | — | 32 |
| 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 |