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Product Detailed Parameters
- Description：IC MCU 8/16BIT 64KB FLSH 100TQFP
- Series：AVR® XMEGA® A1U
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：AVR
- Core Size：8/16-Bit
- Speed：32MHz
- Connectivity：EBI/EMI, I2C, IrDA, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：78
- 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; D/A 4x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：100-TQFP (14x14)
- Package / Case：100-TQFP
- Grade：-
- Qualification：-
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Overview
The ATXMEGA64A1U-AU is an 8/16-bit microcontroller from the AVR XMEGA A1U family, manufactured by Microchip Technology. It features a 32MHz maximum operating frequency and operates within a voltage range of 1.6V to 3.6V. The device includes 64KB of in-system self-programmable flash memory, 4KB of internal SRAM, and 2KB of EEPROM. It utilizes a 100-lead TQFP package with 78 programmable I/O pins.
Feature Summary
- Integrates a four-channel DMA controller and an eight-channel event system for efficient data handling.
- Includes a USB 2.0 full-speed device interface compliant with standard specifications.
- Features AES and DES cryptographic engines alongside CRC generators for secure communications.
- Supports capacitive touch sensing through QTouch library integration.
Applications
- Industrial control systems
- Factory automation equipment
- Medical devices
- USB connectivity applications
Procurement Notes
Verify the specific ordering code against official Microchip documentation to ensure correct package type and temperature rating. Confirm that the component meets RoHS compliance requirements if applicable to your manufacturing process. Cross-reference datasheet revision history for any errata or design changes relevant to production.
Selection Notes
Select this model when a balance of processing speed and low power consumption is required. The integrated USB interface and crypto engine make it suitable for secure communication tasks. Ensure the application fits within the 1.6V to 3.6V supply voltage constraints and utilizes the available 78 I/O lines effectively.
Part Context
This component belongs to the AVR XMEGA AU series, designed for high-performance embedded applications. It shares architectural similarities with other A1U variants but offers specific memory configurations. The device supports both PDI and JTAG programming interfaces for development and debugging purposes.
Replacement Considerations
Consult the official datasheet for direct pin-compatible alternatives within the same family. Verify memory size and peripheral availability when considering substitutes. Ensure the replacement part supports the required operating voltage and temperature range.
