Microchip Technology ATMEGA3209-MFR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.74 | $1.74 |
| 15+ | $1.68 | $25.20 |
| 25+ | $1.65 | $41.25 |
| 50+ | $1.56 | $78.00 |
| 100+ | $1.37 | $137.00 |
| N+ | $0.27 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | megaAVR® 0, Functional Safety (FuSa) |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, WDT |
| Number of I/O | 41 |
| Program Memory Size | 32KB (16K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 16x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-UQFN (6x6) |
| Package / Case | 48-UFQFN Exposed Pad |
| ROHS |  |
The ATMEGA3209-MFR is an 8-bit AVR microcontroller from Microchip, designed for extended temperature applications. It features 32 KB Flash and 4 KB SRAM, with a 20 MHz core. The device operates from 1.8V to 5.5V and is housed in a 48-UFQFN package with an exposed pad for improved thermal performance. Its robust feature set makes it ideal for harsh environments.
- Extended temperature range: -40°C to 125°C enables use in automotive and industrial settings.
- High I/O count: 48-pin package provides ample GPIO for complex interfaces.
- Wide voltage range: 1.8V to 5.5V simplifies power supply design.
- Reliable operation: Integrated brown-out reset and watchdog timer enhance system stability.
Automotive Sensor Interface
The 125°C rating and 5V operation allow direct connection to automotive sensors without level shifters.
Industrial Process Controller
With 32 KB Flash and robust WDT, it can handle complex state machines for temperature or pressure control.
Smart Grid Metering
Its low-power modes and wide voltage range make it suitable for utility meter reading and communication.
HVAC Zone Controller
The 48-pin package provides enough I/O for multiple thermostat inputs and damper motor outputs.
Battery-Powered Data Logger
With 4 KB RAM, it can buffer data from external sensors before writing to an SD card or transmitting.
Safety-Critical Switch
Brown-out detection and WDT ensure fail-safe operation in emergency stop systems.
- Q: What is the maximum operating temperature?
- A: This variant is rated for -40°C to 125°C, suitable for automotive and industrial environments.
- Q: What is the core speed?
- A: The AVR core runs at up to 20 MHz.
- Q: How much Flash and RAM does it have?
- A: It has 32 KB Flash (16K x 16) and 4 KB SRAM.
- Q: What package is used?
- A: It comes in a 48-UFQFN exposed pad package, which aids thermal dissipation.
- Q: Does it support 5V operation?
- A: Yes, the supply voltage range is 1.8V to 5.5V.
ATMEGA3209-MFR.pdf
- Q: What is the maximum operating temperature?
- A: This variant is rated for -40°C to 125°C, suitable for automotive and industrial environments.
- Q: What is the core speed?
- A: The AVR core runs at up to 20 MHz.
- Q: How much Flash and RAM does it have?
- A: It has 32 KB Flash (16K x 16) and 4 KB SRAM.
- Q: What package is used?
- A: It comes in a 48-UFQFN exposed pad package, which aids thermal dissipation.
- Q: Does it support 5V operation?
- A: Yes, the supply voltage range is 1.8V to 5.5V.
