32-bit AVR microcontroller featuring 512KB FLASH memory and 64KB RAM. Operates at up to 66MHz with a 32-bit data bus. Offers extensive interfaces including I2C, SPI, USB, Ethernet, UART, USART, and EBI/EMI. Includes 8 ADC channels, 7 PWM channels, 3 timers/counters, and a watchdog timer. Packaged in a 144-pin LQFP for surface mounting, with operating temperatures from -40°C to 85°C.
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Microchip AT32UC3A0512-ALUT technical specifications.
| Package/Case | LQFP |
| Core Architecture | AVR |
| Data Bus Width | 32b |
| Density | 512KB |
| Frequency | 66MHz |
| Height | 1.45mm |
| Interface | I2C, SPI, USB, Ethernet, UART, USART, EBI/EMI |
| Lead Free | Lead Free |
| Length | 20.1mm |
| Max Frequency | 66MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 512KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 1.65V |
| Mount | Surface Mount |
| Number of ADC Channels | 8 |
| Number of Bits | 32 |
| Number of Ethernet Channels | 1 |
| Number of I/Os | 109 |
| Number of I2C Channels | 1 |
| Number of PWM Channels | 7 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Radiation Hardening | No |
| RAM Size | 64KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | AVR®32 UC3 A0 |
| Termination | SMD/SMT |
| Watchdog Timer | Yes |
| Width | 20.1mm |
| RoHS | Compliant |
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