32-bit ARM Cortex-M3 microcontroller featuring 55MHz operation, 32KB Flash memory, and 8KB RAM. This surface-mount IC offers 21 programmable I/Os, 4 PWM channels, and multiple interfaces including I2C, SPI, USB, I2S, and UART. Operating voltage ranges from 1.65V to 3.6V, with an internal oscillator and peripherals like DMA and a watchdog timer. Packaged in a 48-pin LQFP, this lead-free and RoHS-compliant component is suitable for demanding applications.
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Microchip AT91SAM7S32B-AU technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 55MHz |
| Height | 1.45mm |
| Interface | I2C, SPI, USB, I2S, UART, USART |
| Lead Free | Lead Free |
| Length | 7mm |
| Max Frequency | 55MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 32KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.65V |
| Mount | Surface Mount |
| Number of ADC Channels | 8 |
| Number of I/Os | 21 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 21 |
| Number of PWM Channels | 4 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 3 |
| Operating Supply Voltage | 1.8V |
| Oscillator Type | Internal |
| Package Quantity | 250 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Radiation Hardening | No |
| RAM Size | 8KB |
| RoHS Compliant | Yes |
| Series | SAM7S |
| Watchdog Timer | Yes |
| Width | 7mm |
| RoHS | Compliant |
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