The AT32UC3A1256-AUT is a 32-bit microcontroller from Microchip, featuring a 66MHz frequency and 256KB of FLASH memory. It also includes 64KB of RAM and supports a range of interfaces, including I2C, SPI, USB, Ethernet, UART, USART, and serial. The device is packaged in a TQFP package and is suitable for surface mount applications. It operates over a temperature range of -40°C to 85°C and is compliant with RoHS regulations.
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Microchip AT32UC3A1256-AUT technical specifications.
| Package/Case | TQFP |
| Core Architecture | AVR |
| Data Bus Width | 32b |
| Frequency | 66MHz |
| Height | 1.05mm |
| Interface | I2C, SPI, USB, Ethernet, UART, USART, Serial |
| Lead Free | Lead Free |
| Length | 14mm |
| Max Frequency | 66MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 1.95V |
| Memory Size | 256KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| 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 | 69 |
| Number of I2C Channels | 1 |
| Number of PWM Channels | 7 |
| Number of SPI Channels | 2 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| RAM Size | 64KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | AVR®32 UC3 A1 |
| Watchdog Timer | Yes |
| Width | 14mm |
| RoHS | Compliant |
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