Microchip megaAVR® 0, Functional Safety (FuSa) series, ATMEGA3209-AFR, 8-Bit AVR MCU, 20MHz, 32KB Flash, 4K x 8 RAM, 256 x 8 EEPROM, 1.8V-5.5V, -40°C~125°C, 48-TQFP, Surface Mount.
| Parameter | Value |
|---|---|
| Series | megaAVR® 0, Functional Safety (FuSa) |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 5.5V |
| Operating temperature | -40°C~125°C(TA) |
| Speed | 20MHz |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| RAM size | 4K x 8 |
| Core size | 8-Bit |
| EEPROM size | 256 x 8 |
| Peripherals | Brown-out Detect/Reset, POR, WDT |
| Connectivity | I²C, SPI, UART/USART |
| Number of i (O) | 41 |
| Core processor | AVR |
| Case | 48-TQFP |
| Data converters | A/D 16x10b |
| Program memory size | 32KB (16K x 16) |
The Microchip ATMEGA3209-AFR is an 8-bit AVR microcontroller from the megaAVR® 0 series, which carries a Functional Safety (FuSa) designation.
This part is qualified for engine-bay, outdoor telecom cabinet, and factory-floor applications where ambient heat or cold cycling is routine.
Yes, the ATMEGA3209-AFR includes an internal oscillator, so no external crystal or clock source is required for basic operation.