ATXMEGA128B1-AU

ATxmega128B1-AU is a member of Microchip/Atmel’s ATxmega family: a high‑integration, 8‑bit AVR microcontroller in a 64‑pin AU (TQFP) package with a rich peripheral set.
Key points:
- Core and memory: 8-bit AVR core, up to 32 MHz; 128 KB flash, 8 KB SRAM, 4 KB EEPROM.
- Peripherals: multiple serial interfaces (USARTs, SPI, I2C/TWI), 12‑bit ADC with many channels, analog comparator, and timers with PWM; advanced cross-peripheral triggering via the Event System and Peripheral Reflex System.
- Power and I/O: supports low‑power sleep modes for energy efficiency; ample I/O for integration in embedded systems.
- Package: AU denotes a 64-pin TQFP package.
- Tooling: supported by Microchip Studio (formerly Atmel Studio) with GCC-based toolchain; programmer/debug options via standard AVR interfaces.
- Applications: industrial control, instrumentation, automotive, consumer electronics.
For specifics (pinout, exact peripherals, voltage/frequency ranges), see the ATxmega128B1 datasheet.

ATXMEGA128B1-AU is a member of the XMEGA B1 family. Key features:
- 8-bit AVR XMEGA core with high-speed operation (up to about 40 MHz).
- Memory: 128 KB Flash, 8 KB SRAM, 2 KB EEPROM.
- Peripherals: multiple serial interfaces (USART/UART, SPI, I2C/TWI); several 16-bit Timer/Counters; 12-bit ADC with multiple channels; analog comparator; CRC engine.
- Data handling: DMA Controller (DMAC) and a flexible Event System to route events between peripherals without CPU intervention.
- Power and sleep: multiple low-power modes with efficient wake-up for battery-powered designs.
- Debug/Programming: on-chip debugging/programming support (integrated tools).
- Package: AU variant (64-pin family package) suitable for mixed-signal and I/O expansion.
Note: exact counts of peripherals (e.g., number of UARTs, ADC channels) and voltage ranges vary by revision; consult the datasheet for precise specifications.

- Pin count: 100 pins (TQFP AU package).
- Function: AVR XMEGA128B1 microcontroller (128 KB flash, 8 KB EEPROM, 8 KB RAM) with multiple peripherals (USART/SPI/TWI, ADC/DAC, timers, DMA, etc.).

- Manufacturer: Microchip Technology Inc. (the company that now markets ATXMEGA128B1-AU after acquiring Atmel).
- What kind of company: A global semiconductor company that designs and manufactures microcontrollers and other embedded ICs (memory, analog, etc.).

ATxmega128B1-AU is a high-performance AVR XMEGA MCU with USB Full‑Speed, multiple ADCs, 16‑bit timers, USART/SPI/I2C, DMA and an Event System. Common application areas include:
- USB device peripherals and small USB appliances
- Industrial automation, data acquisition and instrumentation
- Motor control and power electronics
- Consumer electronics and smart devices
- Sensor interfaces, environmental and portable medical monitoring
- Building/home automation and energy metering

100-pin Thin Quad Flat Pack (TQFP) package.