The AT91SAM7S256D-MU-999 is a 55MHz ARM microcontroller with a maximum operating temperature of 85°C and a minimum operating temperature of -40°C. It features a 256KB flash memory and 64KB RAM, and supports various interfaces including I2C, SPI, USB, UART, and USART. The device is packaged in a QFN-64 package and is suitable for surface mount applications.
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Microchip AT91SAM7S256D-MU-999 technical specifications.
| Package/Case | QFN |
| Core Architecture | ARM |
| Frequency | 55MHz |
| Interface | I2C, SPI, USB, UART, USART |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 256KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 1.65V |
| Mount | Surface Mount |
| Number of I/Os | 32 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Package Quantity | 1 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Radiation Hardening | No |
| RAM Size | 64KB |
| Series | SAM7S |
| RoHS | Compliant |
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