8-bit AVR microcontroller featuring 64KB FLASH memory and 4KB RAM. Operates at up to 16MHz with an 8-bit data bus width. Includes SPI, UART, and USART interfaces, along with 3 timers/counters and a watchdog timer. Supports a supply voltage range of 1.8V to 5.5V and offers 54 programmable I/Os. Packaged in a QFN surface-mount case with tin, matte contact plating, this RoHS compliant component is suitable for operation between -40°C and 85°C.
Frequency16MHz
PackageQFN
MountingSurface Mount
Quick Jump:
Technical Specifications
Microchip ATMEGA649A-MU technical specifications.
General
| Package/Case | QFN |
| Contact Plating | Tin, Matte |
| Core Architecture | AVR |
| Data Bus Width | 8b |
| Frequency | 16MHz |
| Interface | SPI, UART, USART |
| Max Frequency | 16MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Number of I/Os | 54 |
| Number of Programmable I/O | 54 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Package Quantity | 260 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, LCD |
| RAM Size | 4KB |
| RoHS Compliant | Yes |
| Series | AVR® ATmega |
| Watchdog Timer | Yes |
Compliance
| RoHS | Compliant |
Datasheet
Microchip ATMEGA649A-MU Datasheet
Download the complete datasheet for Microchip ATMEGA649A-MU to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.