32-bit ARM Cortex-M3S microcontroller featuring 80MHz operation and 256KB FLASH memory. This surface mount device offers 48KB RAM, 67 programmable I/Os, and multiple interfaces including I2C, UART, SPI, IrDA, USART, and EBI/EMI. Integrated peripherals include Brown-out Detect/Reset, POR, PWM, WDT, and DMA, with 4 timers and 3 UART channels. Operating at 3.3V, this lead-free, RoHS compliant microcontroller is housed in an LQFP package.
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| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Interface | I2C, UART, SPI, IrDA, USART, EBI/EMI |
| Lead Free | Lead Free |
| Max Frequency | 80MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 256KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Mount | Surface Mount |
| Number of A/D Converters | 8 |
| Number of I/Os | 67 |
| Number of Programmable I/O | 67 |
| Number of Timers/Counters | 4 |
| 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 | 48KB |
| RoHS Compliant | Yes |
| Series | Stellaris® ARM® Cortex®-M3S 1000 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
Download the complete datasheet for Texas Instruments LM3S1R21-IQC80-C3 to view detailed technical specifications.
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