Microchip Technology ATXMEGA128C3-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.87 | $5.87 |
| 15+ | $5.69 | $85.35 |
| 25+ | $5.56 | $139.00 |
| 50+ | $5.25 | $262.50 |
| 100+ | $4.64 | $464.00 |
| N+ | $0.93 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® XMEGA® C3 |
| Packaging | Tray | |
| Core Processor | AVR |
| Core Size | 8/16-Bit |
| Speed | 32MHz |
| Connectivity | I2C, IrDA, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 50 |
| Program Memory Size | 128KB (64K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 8K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.6V ~ 3.6V |
| Data Converters | A/D 16x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-TQFP (14x14) |
| Package / Case | 64-TQFP |
| ROHS |
The Microchip ATXMEGA128C3-AU is a 32MHz AVR XMEGA MCU with 128KB flash and 8KB SRAM. It operates from 1.6V to 3.6V, featuring PWM, WDT, and brown-out detection. The 64-TQFP package is ideal for low-power, cost-sensitive embedded designs.
- Ultra-low power: 1.6V operation and picoPower technology extend battery life.
- Event system: Allows peripherals to communicate without CPU intervention, reducing latency.
- High integration: DMA, ADC, and PWM in a compact package reduce external components.
- Proven AVR architecture: Simple programming model and extensive community support.
Battery-Powered Sensors
1.6V minimum supply and multiple sleep modes enable years of operation on coin cells.
LED Lighting Control
High-resolution PWM channels drive RGB LEDs with smooth color gradients in architectural lighting.
Portable Instrumentation
12-bit ADC and fast sampling rate support accurate data logging in handheld meters.
Consumer Electronics
Low cost and small 64-TQFP package fit compact remote controls and wearables.
Automotive Body Electronics
Wide temperature range and robust I/O handle window lift and mirror control modules.
Smart Agriculture
DMA and event system reduce CPU load in soil moisture monitoring nodes.
- Q: What is the core architecture?
- A: It uses the AVR XMEGA 8/16-bit core at 32MHz.
- Q: How much flash memory does it have?
- A: It has 128KB (64K x 16) flash.
- Q: What is the supply voltage range?
- A: It operates from 1.6V to 3.6V.
- Q: Does it have a DMA controller?
- A: Yes, it includes a 4-channel DMA controller.
- Q: What is the core architecture?
- A: It uses the AVR XMEGA 8/16-bit core at 32MHz.
- Q: How much flash memory does it have?
- A: It has 128KB (64K x 16) flash.
- Q: What is the supply voltage range?
- A: It operates from 1.6V to 3.6V.
- Q: Does it have a DMA controller?
- A: Yes, it includes a 4-channel DMA controller.

ATXMEGA128C3-AU.pdf