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Product Detailed Parameters
- Description：IC MCU 8/16BIT 64KB FLASH 64QFN
- Series：AVR® XMEGA® C3
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- 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-QFN (9x9)
- Package / Case：64-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATXMEGA64C3-MNR is an 8/16-bit AVR XMEGA microcontroller featuring 64KB of in-system self-programmable Flash, 2KB of EEPROM, and 4KB of internal SRAM. It operates within a voltage range of 1.6V to 3.6V and supports clock frequencies up to 32MHz from 2.7V. The device includes a 16-channel 12-bit ADC, USB 2.0 full-speed interface, three USARTs, two TWIs, and two SPIs. It utilizes a 64-lead VQFN package.
Feature Summary
- Supports capacitive touch sensing via QTouch library integration
- Features four-channel event system for hardware-based peripheral interconnection
- Includes one USB 2.0 full-speed device interface with 32 endpoints
- Provides five software-selectable power saving modes
Applications
- Industrial control systems
- USB connectivity applications
- Low power battery operated devices
- HVAC and building control units
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature rating. Ensure compatibility with existing PCB footprints for the designated leadless package format. Confirm that the procurement channel provides genuine components with traceable manufacturing data.
Selection Notes
Select this component when a balance of moderate program memory and integrated USB capability is required. The 64-pin form factor suits space-constrained designs needing multiple serial interfaces. Consider the operating voltage range and thermal requirements relative to the target application environment.
Part Context
This part belongs to the AVR XMEGA C3 family, designed for high-performance, low-power embedded applications. It shares architectural similarities with other C3 variants but offers specific memory sizes and pin counts suitable for mid-range control tasks requiring robust analog and digital peripherals.
Replacement Considerations
Consult official datasheets for cross-referencing with other ATxmega64C3 variants such as ATXMEGA64C3-AU or ATXMEGA64C3-MH. Verify package dimensions and pinout compatibility before substitution.
