32-bit ARM Cortex-M3S 300 series microcontroller featuring a 20MHz internal oscillator. This surface-mount LQFP package offers 16KB FLASH memory, 2KB RAM, and 33 I/O pins. Integrated peripherals include SPI, UART, USART, 4 timers/counters, 1 A/D converter, and a watchdog timer. Operating voltage is 3.3V, with a range of 3V to 3.6V, and an operating temperature range of -40°C to 85°C. RoHS compliant and lead-free.
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Texas Instruments LM3S301-IQN20-C2 technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 20MHz |
| Interface | SPI, UART, USART |
| Lead Free | Lead Free |
| Length | 7mm |
| Max Frequency | 20MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 16KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 3V |
| Mount | Surface Mount |
| Number of A/D Converters | 1 |
| Number of I/Os | 33 |
| Number of Programmable I/O | 33 |
| Number of Timers/Counters | 4 |
| Number of UART Channels | 1 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 250 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Radiation Hardening | No |
| RAM Size | 2KB |
| RoHS Compliant | Yes |
| Series | Stellaris® ARM® Cortex®-M3S 300 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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