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                                                                                                  2. Semiconductors - ICs
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                                                                                                  ATXMEGA128A3U-MH

                                                                                                  8 Bit MCU, Low Power High Performance, AVR ATxmega Family ATXmega A Series Microcontrollers, AVR

                                                                                                  MICROCHIP
                                                                                                  MICROCHIP ATXMEGA128A3U-MH
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  ManufacturerMICROCHIP
                                                                                                  Manufacturer Part NoATXMEGA128A3U-MH
                                                                                                  Order Code2066299
                                                                                                  Product RangeAVR ATxmega Family ATXmega A Series Microcontrollers
                                                                                                  Your Part Number
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  40 In Stock

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                                                                                                  40 Delivery in 3-4 Business Days(UK stock)
                                                                                                  QuantityPrice
                                                                                                  1+HK$70.700
                                                                                                  25+HK$64.980
                                                                                                  100+HK$58.740
                                                                                                  260+HK$57.570
                                                                                                  Price for:Each
                                                                                                  Minimum: 1
                                                                                                  Multiple: 1
                                                                                                  HK$70.70
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                                                                                                  Added to your Order Confirmation, Invoice, and Dispatch note for this order only.

                                                                                                  Product Information

                                                                                                  MICROCHIP
                                                                                                  ManufacturerMICROCHIP
                                                                                                  Manufacturer Part NoATXMEGA128A3U-MH
                                                                                                  Order Code2066299
                                                                                                  Product RangeAVR ATxmega Family ATXmega A Series Microcontrollers
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Product RangeAVR ATxmega Family ATXmega A Series Microcontrollers
                                                                                                  Device CoreAVR
                                                                                                  Operating Frequency Max32MHz
                                                                                                  Program Memory Size128KB
                                                                                                  No. of Pins64Pins
                                                                                                  IC Case / PackageQFN
                                                                                                  No. of I/O's50I/O's
                                                                                                  InterfacesSPI
                                                                                                  RAM Memory Size8KB
                                                                                                  ADC Channels16Channels
                                                                                                  ADC Resolution12Bit
                                                                                                  Supply Voltage Min1.6V
                                                                                                  Supply Voltage Max3.6V
                                                                                                  Operating Temperature Min-40°C
                                                                                                  Operating Temperature Max85°C
                                                                                                  IC MountingSurface Mount
                                                                                                  MCU FamilyAVR ATxmega
                                                                                                  MCU SeriesATxmega A
                                                                                                  Qualification-
                                                                                                  MSLMSL 1 - Unlimited
                                                                                                  SVHCNo SVHC (04-Feb-2026)

                                                                                                  Product Overview

                                                                                                  The ATXMEGA128A3U-MH is a 8-bit low power high performance AVR Microcontroller features 128kB self-programming flash program memory, 8kB boot code section, 8kB SRAM, 2048B EEPROM, 4-channel DMA controller, 8-channel event system and up to 32 MIPS throughput at 32MHz. The device can be used in a wide range of applications, such as building, climate control, hand-held battery applications, power tools. Four internal inputs include internal temperature sensor, DAC output, AVCC voltage divided by 10 and 1.1V bandgap voltage.

                                                                                                  • Two analogue to digital converters (ADCs)
                                                                                                  • 12-bit Resolution
                                                                                                  • Up to two million samples per second - Four inputs can be sampled within 1.5μs
                                                                                                  • Differential and single-ended input - Up to 16 single-ended inputs
                                                                                                  • Built-in differential gain stage
                                                                                                  • Single, continuous and scan conversion options
                                                                                                  • Four conversion channels with individual input control and result registers
                                                                                                  • Internal and external reference options
                                                                                                  • Compare function for accurate monitoring of user defined thresholds
                                                                                                  • Optional event triggered conversion for accurate timing
                                                                                                  • Optional DMA transfer of conversion results
                                                                                                  • Optional interrupt/event on compare result

                                                                                                  Applications

                                                                                                  Industrial, Motor Drive & Control, Power Management, Automation & Process Control, HVAC, Communications & Networking, Metering, Consumer Electronics, Fibre Optics, Medical

                                                                                                  Technical Specifications

                                                                                                  Product Range

                                                                                                  AVR ATxmega Family ATXmega A Series Microcontrollers

                                                                                                  Operating Frequency Max

                                                                                                  32MHz

                                                                                                  No. of Pins

                                                                                                  64Pins

                                                                                                  No. of I/O's

                                                                                                  50I/O's

                                                                                                  RAM Memory Size

                                                                                                  8KB

                                                                                                  ADC Resolution

                                                                                                  12Bit

                                                                                                  Supply Voltage Max

                                                                                                  3.6V

                                                                                                  Operating Temperature Max

                                                                                                  85°C

                                                                                                  MCU Family

                                                                                                  AVR ATxmega

                                                                                                  Qualification

                                                                                                  -

                                                                                                  SVHC

                                                                                                  No SVHC (04-Feb-2026)

                                                                                                  Device Core

                                                                                                  AVR

                                                                                                  Program Memory Size

                                                                                                  128KB

                                                                                                  IC Case / Package

                                                                                                  QFN

                                                                                                  Interfaces

                                                                                                  SPI

                                                                                                  ADC Channels

                                                                                                  16Channels

                                                                                                  Supply Voltage Min

                                                                                                  1.6V

                                                                                                  Operating Temperature Min

                                                                                                  -40°C

                                                                                                  IC Mounting

                                                                                                  Surface Mount

                                                                                                  MCU Series

                                                                                                  ATxmega A

                                                                                                  MSL

                                                                                                  MSL 1 - Unlimited

                                                                                                  Technical Docs (3)

                                                                                                  CAD CadSoft_EAGLE EN

                                                                                                  Technical Data Sheet EN

                                                                                                  Product Change Notice EN

                                                                                                  Associated Products

                                                                                                  2 Products Found

                                                                                                  Legislation and Environmental

                                                                                                  Country of Origin:
                                                                                                  Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                  United States
                                                                                                  Country in which last significant manufacturing process was carried out
                                                                                                  Tariff No:85423190
                                                                                                  US ECCN:5A992.c
                                                                                                  EU ECCN:NLR
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:No SVHC (04-Feb-2026)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Weight (kg):.001664
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