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Product Detailed Parameters
- Description：IC MCU 8/16BIT 8KB FLASH 32UQFN
- Series：AVR® XMEGA® E5
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT),Cut Tape (CT)
- Core Processor：AVR
- Core Size：8/16-Bit
- Speed：32MHz
- Connectivity：I2C, IrDA, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：26
- Program Memory Size：8KB (4K x 16)
- Program Memory Type：FLASH
- EEPROM Size：512 x 8
- RAM Size：1K x 8
- Voltage - Supply (Vcc/Vdd)：1.6V ~ 3.6V
- Data Converters：A/D 16x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-UQFN (4x4)
- Package / Case：32-UFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATXMEGA8E5-M4UR is an 8/16-bit microcontroller from the AVR XMEGA E5 family, manufactured by Microchip Technology. It features 8KB of in-system self-programmable flash memory, 1KB of internal SRAM, and 512Bytes of EEPROM. The device operates at a maximum frequency of 32MHz with a supply voltage range of 1.6V to 3.6V. It includes a 16-channel, 12-bit ADC, a two-channel 12-bit DAC, and supports interfaces such as USART, SPI, and TWI. The component is housed in a 32-lead UQFN package (4x4mm) and is rated for industrial temperature ranges.
Feature Summary
- High-performance AVR CPU executing instructions in a single clock cycle
- Integrated four-channel enhanced DMA controller
- Supports capacitive touch sensing via QTouch library
- Includes high-resolution PWM and waveform extensions
Applications
- Motor control systems
- Industrial control applications
- Battery chargers
- Utility metering devices
Procurement Notes
Verify the specific ordering suffix 'M4UR' corresponds to the 32-lead UQFN package and tape-and-reel packaging format. Confirm that the device revision matches project requirements, as errata may apply to specific silicon revisions. Ensure the procurement source provides official datasheets and compliance documentation.
Selection Notes
Select this model when 8KB of program memory is sufficient for the application logic. The UQFN package is suitable for space-constrained designs requiring surface-mount technology. Consider the 32MHz operating speed and peripheral set, including the 12-bit ADC and DAC, for signal processing tasks.
Part Context
This component belongs to the AVR XMEGA E5 series, which offers low power consumption and rich peripheral integration. The E5 family is designed for applications requiring efficient code execution and flexible I/O configurations. The M4U suffix indicates the specific 4x4mm UQFN package variant within the broader ATXMEGA8E5 product line.
Replacement Considerations
ATXMEGA8E5-M4U
FAQ
What programming interface does the ATXMEGA8E5-M4UR support?
The device supports the Program and Debug Interface (PDI), which is a fast, two-pin interface used for programming and debugging.
Does the ATXMEGA8E5-M4UR support capacitive touch sensing?
Yes, the device supports capacitive touch buttons, sliders, and wheels through the free QTouch library.
