Microchip Technology ATMEGA3209-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.59 | $1.59 |
| 15+ | $1.54 | $23.10 |
| 25+ | $1.50 | $37.50 |
| 50+ | $1.42 | $71.00 |
| 100+ | $1.25 | $125.00 |
| N+ | $0.25 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | megaAVR® 0, Functional Safety (FuSa) |
| Packaging | Tray | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, 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 ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-TQFP (7x7) |
| Package / Case | 48-TQFP |
| ROHS |  |
The Microchip ATMEGA3209-AU is a high-performance 8-bit AVR microcontroller in a compact 48-TQFP package. It delivers 32KB Flash, 4KB SRAM, and a rich set of peripherals including a 12-bit ADC, PWM, and event system. With a wide 1.8V-5.5V supply range and 20MHz operation, it balances power efficiency with processing capability for demanding embedded applications.
- Wide Voltage Range (1.8V-5.5V): Enables direct 5V logic interfacing and low-voltage battery operation.
- High Integration: On-chip ADC, comparator, and PWM reduce external components.
- Low Power: Multiple sleep modes and fast wake-up extend battery life.
- Robust Protection: BOD and POR ensure reliable operation in noisy environments.
Industrial Sensor Nodes
With a 20MHz AVR core and 5.5V tolerance, the ATMEGA3209-AU directly interfaces with 5V industrial sensors without level shifters, simplifying BOM.
Battery-Powered IoT Devices
Operating down to 1.8V and featuring multiple sleep modes, this MCU extends battery life in wireless environmental monitors.
Motor Control for Small Appliances
The built-in PWM and event system enable ripple-free control of BLDC motors in fans and pumps.
Automotive Aftermarket Modules
With a -40°C to 85°C range and robust POR/BOD, it suits car alarm and telematics add-ons.
Smart Home Controllers
Its 32KB Flash supports complex lighting scenes, while the 12-bit ADC reads precise dimmer levels.
Portable Medical Monitors
Low-power sleep modes and fast wake-up times allow continuous glucose or heart-rate monitoring.
- Q: What is the operating voltage range of the ATMEGA3209-AU?
- A: The ATMEGA3209-AU operates from 1.8V to 5.5V, making it suitable for battery and 5V systems.
- Q: What is the maximum CPU speed?
- A: It runs at up to 20MHz with the AVR core.
- Q: How much Flash and SRAM does it have?
- A: It provides 32KB Flash and 4KB SRAM.
- Q: What package is available?
- A: It comes in a 48-TQFP package.
- Q: Does it include analog peripherals?
- A: Yes, it features a 12-bit ADC, analog comparator, and more.
ATMEGA3209-AU.pdf
- Q: What is the operating voltage range of the ATMEGA3209-AU?
- A: The ATMEGA3209-AU operates from 1.8V to 5.5V, making it suitable for battery and 5V systems.
- Q: What is the maximum CPU speed?
- A: It runs at up to 20MHz with the AVR core.
- Q: How much Flash and SRAM does it have?
- A: It provides 32KB Flash and 4KB SRAM.
- Q: What package is available?
- A: It comes in a 48-TQFP package.
- Q: Does it include analog peripherals?
- A: Yes, it features a 12-bit ADC, analog comparator, and more.
