The AT91SAM9XE256-QU is a 32-bit ARM microcontroller with a core frequency of 180MHz. It features 32KB of ROM and 32KB of RAM. The device operates within a temperature range of -40°C to 85°C and is supplied with a voltage of 3.3V. It supports various interfaces including SPI, I2S, USART, 2-Wire, I2C, USB, Ethernet, MMC, UART, and EBI/EMI. The microcontroller is packaged in a QFP-28 configuration and is RoHS compliant.
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| Package/Case | QFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 180MHz |
| Height | 3.6mm |
| Interface | SPI, I2S, USART, 2-Wire, I2C, USB, Ethernet, MMC, UART, EBI/EMI |
| Length | 28mm |
| Max Frequency | 180MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 32KB |
| Memory Type | ROM, , FLASH |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.65V |
| Mount | Surface Mount |
| Number of ADC Channels | 4 |
| Number of Cores | 1 |
| Number of Ethernet Channels | 1 |
| Number of I/Os | 96 |
| Number of I2C Channels | 2 |
| Number of Programmable I/O | 96 |
| Number of SPI Channels | 2 |
| Number of Timers/Counters | 6 |
| Number of UART Channels | 1 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 24 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Radiation Hardening | No |
| RAM Size | 32KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | SAM9XE |
| Watchdog Timer | Yes |
| Width | 28mm |
| RoHS | Compliant |
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