Overview
The ATXMEGA128A1-AU is a low-power, high-performance 8/16-bit AVR microcontroller produced by Microchip Technology. This device is part of the AVR XMEGA A1 series and is known for its robust feature set and versatility. Although it is not recommended for new designs (with the XMEGA AU series being the suggested alternative), it remains a powerful option for various applications. The microcontroller features 128 KB of self-programming Flash program memory, an 8 KB boot code section, 8 KB of SRAM, and 2 KB of EEPROM. It also includes an external bus interface, a 4-channel DMA controller, and an 8-channel event system, with a maximum throughput of 32 MIPS at 32 MHz.
Key Specifications
| Parameter | Value |
|---|---|
| Microcontroller Type | 8/16-bit AVR |
| Flash Program Memory | 128 KB |
| Boot Code Section | 8 KB |
| SRAM | 8 KB |
| EEPROM | 2 KB |
| Maximum Throughput | 32 MIPS at 32 MHz |
| Supply Voltage | 2.7V - 3.6V |
| Package Type | 100-pin TQFP |
| Operating Temperature | -40°C to +85°C |
| Interface | EBI/EMI, I2C, IrDA, SPI, UART, USART |
Key Features
- High-performance, low-power 8/16-bit AVR RISC architecture with 138 instructions and hardware multiplier.
- 32x8-bit general purpose working registers directly connected to the Arithmetic Logic Unit (ALU).
- Four-channel DMA controller with support for external requests.
- Eight-channel event system.
- Eight 16-bit timer/counters with high-resolution and advanced waveform extensions.
- Eight USARTs with IrDA modulation/demodulation for one USART.
- Four two-wire interfaces (I2C and SMBus compatible) and four SPI peripherals.
- AES and DES crypto engine.
- 16-bit real-time counter with separate oscillator.
- Two eight-channel, 12-bit, 2 Msps analog to digital converters and two two-channel, 12-bit, 1 Msps digital to analog converters.
- Four analog comparators with window compare function.
- Programmable watchdog timer with separate on-chip ultra-low power oscillator.
Applications
The ATXMEGA128A1-AU is versatile and can be used in a wide range of applications, including:
- Building, industrial, motor, and climate control systems.
- Hand-held battery applications.
- Factory automation.
- Power tools.
- HVAC systems.
- Networking and metering applications.
- Large home appliances.
- Optical and medical devices.
Q & A
- What is the maximum throughput of the ATXMEGA128A1-AU?
The maximum throughput of the ATXMEGA128A1-AU is 32 MIPS at 32 MHz.
- What types of memory does the ATXMEGA128A1-AU have?
The device features 128 KB of self-programming Flash program memory, 8 KB of boot code section, 8 KB of SRAM, and 2 KB of EEPROM.
- What are the key interfaces supported by the ATXMEGA128A1-AU?
The device supports EBI/EMI, I2C, IrDA, SPI, UART, and USART interfaces.
- What is the operating temperature range of the ATXMEGA128A1-AU?
The operating temperature range is -40°C to +85°C.
- Is the ATXMEGA128A1-AU recommended for new designs?
No, it is not recommended for new designs. Instead, the XMEGA AU series is suggested.
- What package types are available for the ATXMEGA128A1-AU?
The device is available in 100-pin TQFP packages.
- What cryptographic features does the ATXMEGA128A1-AU support?
The device supports AES and DES crypto engines.
- Does the ATXMEGA128A1-AU have analog to digital converters?
Yes, it features two eight-channel, 12-bit, 2 Msps analog to digital converters.
- What is the supply voltage range for the ATXMEGA128A1-AU?
The supply voltage range is 2.7V to 3.6V.
- Does the ATXMEGA128A1-AU support external memory?
Yes, it supports external bus interface for up to 16M bytes SRAM and up to 128M bit SDRAM.
