8-bit AVR XMEGA A3 microcontroller featuring 64KB FLASH memory and 4KB RAM. Operates at up to 32MHz with a 1.6V to 3.6V supply voltage. Offers 50 I/Os, 22 PWM channels, and multiple communication interfaces including I2C, SPI, UART, and USART. Includes 8 ADC channels and 7 timers/counters, with integrated peripherals like DMA, POR, and WDT. Packaged in a 64-pin TQFP for surface mounting.
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Microchip ATXMEGA64A3-AU technical specifications.
| Package/Case | A |
| Core Architecture | AVR |
| Density | 64KB |
| Frequency | 32MHz |
| Height | 1.05mm |
| Interface | I2C, SPI, IrDA, UART, USART |
| Lead Free | Lead Free |
| Length | 14.1mm |
| Max Frequency | 32MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.6V |
| Mount | Surface Mount |
| Number of ADC Channels | 8 |
| Number of I/Os | 50 |
| Number of I2C Channels | 2 |
| Number of PWM Channels | 22 |
| Number of SPI Channels | 3 |
| Number of Timers/Counters | 7 |
| Oscillator Type | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| RAM Size | 4KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | AVR® XMEGA® A3 |
| Termination | SMD/SMT |
| Watchdog Timer | Yes |
| Width | 14.1mm |
| RoHS | Compliant |
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