| Model Number |
| ATMEGA88A-PU |
ATMEGA644P-A15MZ |
| Model Name |
| Microchip Tech ATMEGA88A-PU |
Microchip Tech ATMEGA644P-A15MZ |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| Microchip Tech |
Microchip Tech |
| Description |
| 8KB 1.8V~5.5V AVR 1KB 20MHz FLASH 23 DIP-28 Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
32KB 2.7V~5.5V AVR 16MHz FLASH 32 QFN-44-EP(7x7) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 3.857 grams / 0.136052 oz |
0.001 grams / 0.000035 oz |
| Package / Case |
| DIP-28 |
QFN-44-EP(7x7) |
| Package / Arrange |
| Tube-packed |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Infrared Data Association |
| - |
- |
| Low-Voltage Detect |
| Yes |
- |
| CCP Capture/Compare |
| - |
- |
| Program Storage Size |
| 8KB |
32KB |
| Internal Comparator |
| - |
- |
| communication protocol |
| - |
- |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+125℃ |
| Operating Voltage Range |
| 1.8V~5.5V |
2.7V~5.5V |
| Watchdog |
| Yes |
- |
| CPU Core |
| AVR |
AVR |
| Peripheral/Function |
| PWM |
PWM;WDT |
| Real-Time Clock |
| - |
- |
| Secure Digital Input and Output |
| - |
- |
| Universal Serial Bus |
| - |
- |
| Direct Memory Access |
| - |
- |
| RAM Size |
| 1KB |
N/A |
| EEPROM |
| 4KB |
N/A |
| PWM (Bit) |
| - |
- |
| Internal Oscillator |
| Yes |
Yes |
| CPU Maximum Speed |
| 20MHz |
16MHz |
| DAC (Bit) |
| - |
- |
| Program Memory Type |
| FLASH |
FLASH |
| ADC (Bit) |
| 10bit |
10bit |
| GPIO Ports Number |
| 23 |
32 |
