| Model Number |
| ATMEGA64A-MU |
AT89C2051-12SU |
| Model Name |
| Microchip Tech ATMEGA64A-MU |
Microchip Tech AT89C2051-12SU |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| Microchip Tech |
Microchip Tech |
| Description |
| 32KB 2.7V~5.5V AVR 4KB 16MHz FLASH 53 QFN-64-EP(9x9) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
2KB 2.7V~6V 51Series 12MHz FLASH 15 SOIC-20-300mil Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 0.278 grams / 0.009806 oz |
1.530 grams / 0.053969 oz |
| Package / Case |
| QFN-64-EP(9x9) |
SOIC-20-300mil |
| Package / Arrange |
| Tray |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Infrared Data Association |
| - |
- |
| Low-Voltage Detect |
| Yes |
- |
| CCP Capture/Compare |
| - |
- |
| Program Storage Size |
| 32KB |
2KB |
| Internal Comparator |
| - |
- |
| communication protocol |
| - |
- |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| Operating Voltage Range |
| 2.7V~5.5V |
2.7V~6V |
| Watchdog |
| Yes |
- |
| CPU Core |
| AVR |
51Series |
| Peripheral/Function |
| PWM |
- |
| Real-Time Clock |
| - |
- |
| Secure Digital Input and Output |
| - |
- |
| Universal Serial Bus |
| - |
- |
| Direct Memory Access |
| - |
- |
| RAM Size |
| 4KB |
N/A |
| PWM (Bit) |
| - |
- |
| Internal Oscillator |
| Yes |
Yes |
| CPU Maximum Speed |
| 16MHz |
12MHz |
| DAC (Bit) |
| - |
- |
| Program Memory Type |
| FLASH |
FLASH |
| ADC (Bit) |
| 10bit |
- |
| GPIO Ports Number |
| 53 |
15 |
