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Product Detailed Parameters
- Description：IC MCU 8/16B 64KB FLASH 100VFBGA
- 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-VFBGA (7x7)
- Package / Case：100-VFBGA
- Grade：-
- Qualification：-
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Overview
The ATXMEGA64A1U-C7U is an 8-bit AVR XMEGA microcontroller featuring 64KB of in-system self-programmable flash, 2KB EEPROM, and 4KB SRAM. It operates within a voltage range of 1.6V to 3.6V at frequencies up to 32MHz. The device includes a four-channel DMA controller, eight-channel event system, one USB 2.0 interface, eight USARTs, four TWIs, four SPIs, two 12-bit ADCs, and two 12-bit DACs. It utilizes a 100-ball VFBGA package.
Feature Summary
- Integrates AES and DES cryptographic engines for secure data processing
- Supports capacitive touch sensing via QTouch library compatibility
- Features high-resolution timer/counters with advanced waveform extensions
- Includes a programmable multilevel interrupt controller
Applications
- Industrial control systems
- USB connectivity devices
- Medical applications
- Utility metering
Procurement Notes
Verify the specific ordering suffix C7U corresponds to the 100-ball VFBGA package configuration. Confirm that the component meets RoHS compliance standards as indicated by the manufacturer documentation. Ensure the procurement channel provides valid traceability for the Microchip Technology part number.
Selection Notes
Select this component when a 100-pin VFBGA footprint is required for space-constrained designs. Choose this model over other A1U variants specifically for its 64KB Flash capacity and 100C2 industrial temperature rating. Evaluate the 32MHz performance against power consumption requirements for battery-operated applications.
Part Context
This component belongs to the AVR XMEGA A1U family, which combines high performance with low power consumption. The AU designation indicates operation down to 1.6V. The C7U suffix specifies the 100C2 package type and industrial temperature range, distinguishing it from TQFP or CBGA alternatives.
Replacement Considerations
ATXMEGA64A1U-C7UR (Tape and Reel packaging)
FAQ
Does the ATXMEGA64A1U-C7U support read-while-write operations?
Yes, the device features in-system self-programmable flash with read-while-write capabilities.
What programming interfaces are available on this microcontroller?
The device supports the Program and Debug Interface (PDI) and an IEEE 1149.1 compliant JTAG interface.
