| Model Number |
| ATMEGA328-PU |
ATMEGA2561-16AUR |
| Model Name |
| Microchip Tech ATMEGA328-PU |
Microchip Tech ATMEGA2561-16AUR |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| Microchip Tech |
Microchip Tech |
| Description |
| 32KB 1.8V~5.5V AVR 20MHz 23 PDIP-28 Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
256KB 4.5V~5.5V AVR 16MHz 54 TQFP-64(14x14) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 3.814 grams / 0.134535 oz |
0.790 grams / 0.027866 oz |
| Package / Case |
| PDIP-28 |
TQFP-64(14x14) |
| Package / Arrange |
| Tube-packed |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Low-Voltage Detect |
| Yes |
Yes |
| Program Storage Size |
| 32KB |
256KB |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| Operating Voltage Range |
| 1.8V~5.5V |
4.5V~5.5V |
| CPU Core |
| AVR |
AVR |
| Watchdog |
| Yes |
Yes |
| Internal Oscillator |
| Yes |
Yes |
| CPU Maximum Speed |
| 20MHz |
16MHz |
| ADC (Bit) |
| 10bit |
10bit |
| GPIO Ports Number |
| 23 |
54 |
