32-bit ARM Cortex-M3S microcontroller featuring a 50MHz core frequency. This surface-mount LQFP package offers 256KB FLASH memory, 32KB RAM, and 67 programmable I/Os. Integrated peripherals include I2C, SPI, UART, USART, EBI/EMI interfaces, 4 timers/counters, DMA, and a watchdog timer. Operating voltage ranges from 1.08V to 3.6V, with an internal oscillator.
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| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 50MHz |
| Interface | I2C, SPI, IrDA, UART, USART, EBI/EMI |
| Max Frequency | 50MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 256KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Min Supply Voltage | 1.08V |
| Mount | Surface Mount |
| Number of I/Os | 67 |
| Number of Programmable I/O | 67 |
| Number of Timers/Counters | 4 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 1 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Radiation Hardening | No |
| RAM Size | 32KB |
| RoHS Compliant | Yes |
| Series | Stellaris® ARM® Cortex®-M3S 1000 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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