| Model Number |
| ATMEGA128A-AU |
ATMEGA4809-AFR |
| Model Name |
| Microchip Tech ATMEGA128A-AU |
Microchip Tech ATMEGA4809-AFR |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| Microchip Tech |
Microchip Tech |
| Description |
| 128KB 4KB FLASH 53 2.7V~5.5V AVR 16MHz TQFP-64(14x14) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
48KB 1.8V~5.5V AVR 6KB 20MHz FLASH 41 TQFP-48(7x7) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 2.252 grams / 0.079437 oz |
0.368 grams / 0.012981 oz |
| Package / Case |
| TQFP-64(14x14) |
TQFP-48(7x7) |
| Package / Arrange |
| Tray |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Infrared Data Association |
| - |
- |
| Low-Voltage Detect |
| - |
Yes |
| CCP Capture/Compare |
| - |
- |
| LCD Module |
| - |
N/A |
| Program Storage Size |
| 128KB |
48KB |
| Internal Comparator |
| - |
- |
| communication protocol |
| - |
- |
| Watchdog |
| - |
Yes |
| Real-Time Clock |
| - |
- |
| Universal Serial Bus |
| - |
- |
| RAM Size |
| 4KB |
6KB |
| EEPROM |
| 4KB |
N/A |
| 16Bit Timer |
| - |
N/A |
| 8Bit Timer |
| - |
N/A |
| PWM (Bit) |
| - |
- |
| Internal Oscillator |
| Yes |
Yes |
| DAC (Bit) |
| - |
- |
| Program Memory Type |
| FLASH |
FLASH |
| ADC (Bit) |
| 10bit |
10bit |
| GPIO Ports Number |
| 53 |
41 |
| Application Area |
| - |
N/A |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+125℃ |
| Operating Voltage Range |
| 2.7V~5.5V |
1.8V~5.5V |
| CPU Core |
| AVR |
AVR |
| Peripheral/Function |
| PWM;WDT |
PWM |
| Secure Digital Input and Output |
| - |
- |
| Direct Memory Access |
| - |
- |
| I2C |
| - |
N/A |
| UART/USART |
| - |
N/A |
| 32Bit Timer |
| - |
N/A |
| CPU Maximum Speed |
| 16MHz |
20MHz |
| LED Module |
| - |
N/A |
| CAN |
| - |
N/A |
| SPI |
| - |
N/A |
| I2S |
| - |
N/A |
