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Product Detailed Parameters
- Description：IC MCU 8/16BIT 64KB FLASH 64TQFP
- Series：AVR® XMEGA® C3
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：AVR
- Core Size：8/16-Bit
- Speed：32MHz
- Connectivity：I2C, IrDA, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：50
- Program Memory Size：64KB (32K x 16)
- Program Memory Type：FLASH
- EEPROM Size：2K x 8
- RAM Size：4K x 8
- Voltage - Supply (Vcc/Vdd)：1.6V ~ 3.6V
- Data Converters：A/D 16x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-TQFP (14x14)
- Package / Case：64-TQFP
- Grade：-
- Qualification：-
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Overview
The ATXMEGA64C3-AN is an 8/16-bit microcontroller from the AVR XMEGA C3 family, manufactured by Microchip Technology. It features a 64K byte in-system self-programmable Flash memory, 2K bytes of EEPROM, and 4K bytes of internal SRAM. The device operates on a power supply ranging from 1.6V to 3.6V and supports clock frequencies up to 32MHz when powered at 2.7V or higher. It is housed in a 64-lead TQFP package with an operating temperature range of -40°C to +105°C.
Feature Summary
- Integrates a high-performance 8/16-bit AVR RISC CPU capable of single-cycle instruction execution.
- Includes a four-channel event system for hardware-based peripheral interconnection without CPU intervention.
- Features a full-speed USB 2.0 interface compliant with low speed (1.5Mbps) and full speed (12Mbps) specifications.
- Supports capacitive touch sensing through QTouch library integration for buttons, sliders, and wheels.
Applications
- Industrial control systems
- Building control and HVAC applications
- USB connectivity devices
- Factory automation equipment
Procurement Notes
Verify the specific ordering code ATXMEGA64C3-AN against official Microchip documentation to confirm the 64-lead TQFP package and industrial temperature rating. Ensure compatibility with the required voltage levels and interface requirements before procurement.
Selection Notes
Select this component for designs requiring integrated USB functionality alongside standard serial interfaces like USART, TWI, and SPI. Consider the extended temperature range and robust analog peripherals such as the 12-bit ADC and analog comparators for sensor-heavy applications.
Part Context
This part belongs to the AVR XMEGA C3 series, which emphasizes low power consumption and high performance. The C3 variant specifically adds a USB device interface compared to previous generations, making it suitable for communication-intensive embedded applications.
Replacement Considerations
ATXMEGA64C3-AU
FAQ
What is the maximum operating frequency at 1.6V?
At a minimum supply voltage of 1.6V, the device supports operating frequencies up to 12MHz.
Does the device support read-while-write operations?
Yes, the Flash program memory supports read-while-write capabilities, allowing the application to continue executing while another section is being reprogrammed.
