Microchip Technology

ATXMEGA128B3-AU  

Microcontrollers

Microchip Technology's ATXMEGA128B3-AU is a low-power, high-performance 8-bit microcontroller based on the AVR architecture. It features a 128KB in-system programmable Flash memory, 16KB EEPROM, and 16KB SRAM. The ATXMEGA128B3-AU operates on a wide voltage range of 1.8V to 5.5V, making it suitable for various power supply requirements.

Key Features:

1. Core: 32-bit RISC-based AVR CPU with a maximum clock speed of 32MHz.
2. Memory:
   • 128KB In-System Programmable Flash memory
   • 16KB EEPROM
   • 16KB SRAM
3. I/O: 34 general-purpose I/O pins with support for various I/O modes and voltage levels.
4. Peripherals:
   • 2 USARTs
   • 1 SPI
   • 1 TWI (I2C)
   • 3 16-bit Timer/Counters with PWM and Input Capture
   • 1 8-bit Timer/Counter with PWM and Input Capture
   • 1 8-channel, 10-bit ADC with up to 1.2Msps sampling rate
   • 1 8-channel, 10-bit DAC
   • USB 2.0 Interface with Host, Device, and OTG support
5. Security: AES-128/256, SHA-1, and True Random Number Generator (TRNG) for secure data encryption and authentication.
6. Power Management: Power reduction techniques such as system clock division, peripheral clock division, and I/O pins' power saving modes.
7. Operating Voltage Range: 1.8V to 5.5V
8. Operating Temperature Range: -40°C to +85°C

Applications:

1. Industrial Control: The ATXMEGA128B3-AU is suitable for applications like motor control, sensor interfacing, and data acquisition systems.
2. Medical Devices: The microcontroller can be used in portable medical devices, patient monitoring systems, and medical instrumentation due to its low power consumption and robust performance.
3. Consumer Electronics: It can be employed in applications such as smart home devices, wearable electronics, and portable gadgets.
4. Automotive: The ATXMEGA128B3-AU can be used in automotive applications like in-vehicle infotainment systems, power window control, and anti-lock braking systems (ABS).
5. IoT Devices: The microcontroller's USB interface and low power consumption make it suitable for Internet of Things (IoT) devices, such as smart sensors, home automation systems, and data loggers.
6. Security Systems: The built-in security features like AES-128/256, SHA-1, and TRNG make it suitable for secure communication and data encryption in security systems.

The ATXMEGA128B3-AU's combination of high performance, low power consumption, and a wide range of peripherals make it a versatile choice for a variety of embedded applications.

ATXMEGA128B3-AU Documents

Download datasheets and manufacturer documentation for ATXMEGA128B3-AU

PCN Assembly/Origin :

ATXMEGA1xx 24/Nov/2023      

Datasheets :

XMEGA Appl Note       ATxmega(128,64)B3      

PCN Packaging :

Boxes 07/Dec/2016       Transfer to Microchip/Label/Pkg 5/Sep/2016      

Design Resources :

ATxmega128B3 Development Tool Selector      

HTML Datasheet :

XMEGA Appl Note       ATxmega(128,64)B3      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       Multiple Devices Copper Wire 20/Aug/2013      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH