32-bit ARM microcontroller featuring 256KB FLASH memory and 64KB RAM. Operates at up to 55MHz with a 3.6V max supply voltage. Offers I2C, SPI, USB, UART, and USART interfaces, along with 8 ADC channels and 4 PWM channels. Includes peripherals like Brown-out Detect/Reset, POR, WDT, and DMA. Packaged in a 64-pin LQFP for surface mounting, this RoHS compliant component operates from -40°C to 85°C.
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Microchip AT91SAM7S256D-AU technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Data Rate | 115.2Kbps |
| Frequency | 55MHz |
| Height | 1.45mm |
| Interface | I2C, SPI, USB, UART, USART |
| Lead Free | Lead Free |
| Length | 10mm |
| Max Frequency | 55MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| 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 PWM Channels | 4 |
| Number of Timers/Counters | 3 |
| Number of USB Channels | 1 |
| Oscillator Type | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Radiation Hardening | No |
| RAM Size | 64KB |
| RoHS Compliant | Yes |
| Width | 10mm |
| RoHS | Compliant |
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