ATmega1280
Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.
This Microchip datasheet covers the ATmega640, 1280, 1281, 2560, and 2561, which are 8-bit AVR microcontrollers featuring 64KB to 256KB of in-system programmable flash. The document details their high-performance RISC architecture, low power consumption with modes down to 0.1µA, and extensive peripherals including multiple timers, PWM channels, USART interfaces, and a 10-bit ADC. It highlights memory endurance of 10,000 Flash cycles and 100-year data retention, alongside QTouch capacitive touch support and JTAG debugging capabilities. Available in various packages like TQFP and CBGA, these chips operate at speeds up to 16MHz with industrial temperature ranges.
Datasheet parameters
| Parameter | Min | Typ | Max | Conditions |
|---|---|---|---|---|
| supply voltage range | 1.8 V | — | 5.5 V | |
| operating temperature | -40 °C | — | 85 °C | |
| clock frequency | — | 16 MHz | — | |
| cpu speed | — | 16 MHz | — | |
| program memory size | — | 128 kB | — | |
| ram size | — | 8 kB | — | |
| eeprom size | — | 4 kB | — | |
| io count | — | 86 | — | |
| adc resolution | — | 10 bit | — | |
| core size | — | 8 bit | — |
Closest matches to ATmega1280
Frequently asked questions
What is the ADC resolution of the ATmega1280?
The ADC resolution is 10 bit.
What is the maximum clock frequency of the ATmega1280?
The maximum clock frequency is 16 MHz.
What is the core size of the ATmega1280?
The core size is 8 bit.
What is the maximum CPU speed of the ATmega1280?
The maximum CPU speed is 16 MHz.
What is the EEPROM size of the ATmega1280?
The EEPROM size is 4 kB.
What is the I/O count for the ATmega1280?
The ATmega1280 has 86 I/O pins.
What is the maximum operating temperature for the ATmega1280?
The maximum operating temperature is 85 °C.
What is the program memory size of the ATmega1280?
The program memory size is 128 kB.