64-bit AVR microcontroller featuring 64KB FLASH memory and 4KB RAM. Operates at up to 32MHz with internal oscillator. Supports I2C, SPI, USB, IrDA, UART, and USART interfaces, with 50 I/Os and 16 ADC channels. Includes 22 PWM channels and 7 timers/counters. Packaged in a 64-pin QFN (9.1x9.1x0.95mm) for surface mounting, with a supply voltage range of 1.6V to 3.6V and operating temperature from -40°C to 85°C. RoHS compliant.
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Microchip ATXMEGA64A3U-MH technical specifications.
| Package/Case | QFN |
| Core Architecture | AVR |
| Data Bus Width | 64b |
| Data Rate | 115.2Kbps |
| Frequency | 32MHz |
| Height | 0.95mm |
| Interface | I2C, SPI, USB, IrDA, UART, USART |
| Length | 9.1mm |
| Max Frequency | 32MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 1.6V |
| Mount | Surface Mount |
| Number of ADC Channels | 16 |
| Number of I/Os | 50 |
| Number of PWM Channels | 22 |
| Number of Timers/Counters | 7 |
| Number of USB Channels | 1 |
| Oscillator Type | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| RAM Size | 4KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Width | 9.1mm |
| RoHS | Compliant |
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