32-bit ARM Cortex-M3S 5000 series microcontroller featuring 80MHz operation and 128KB FLASH memory. This LQFP packaged device offers 24KB RAM, 67 programmable I/Os, and multiple interfaces including I2C, SPI, UART, and USB. Integrated peripherals include a watchdog timer, DMA, and PWM, with a 3.3V operating supply voltage. Designed for surface mount applications, it operates across a -40°C to 85°C temperature range and is RoHS compliant.
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Texas Instruments LM3S5K31-IQC80-C3 technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Interface | I2C, SPI, UART, USB, IrDA, USART |
| Lead Free | Lead Free |
| Length | 14.2mm |
| Max Frequency | 80MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Mount | Surface Mount |
| Number of A/D Converters | 2 |
| Number of I/Os | 67 |
| Number of Programmable I/O | 67 |
| Number of Timers/Counters | 3 |
| Number of UART Channels | 3 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 90 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Radiation Hardening | No |
| RAM Size | 24KB |
| RoHS Compliant | Yes |
| Series | Stellaris® ARM® Cortex®-M3S 5000 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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