32-bit RISC microcontroller featuring an ARM Cortex-M3S 800 core, operating at up to 50MHz. This surface-mount device offers 64KB of FLASH memory and 8KB of RAM, with 32 programmable I/O pins. Integrated peripherals include I2C, UART, SPI, USART interfaces, 5 timers/counters, 2 UART channels, and a watchdog timer. It supports a 3.3V operating supply voltage and an internal oscillator, with a wide operating temperature range of -40°C to 105°C. The VQFN package is RoHS compliant.
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Texas Instruments LM3S811-EGZ50-C2 technical specifications.
| Package/Case | VQFN |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Interface | I2C, UART, SPI, USART |
| Lead Free | Contains Lead |
| Length | 7mm |
| Max Frequency | 50MHz |
| Max Operating Temperature | 105°C |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Mount | Surface Mount |
| Number of A/D Converters | 1 |
| Number of I/Os | 32 |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 5 |
| Number of UART Channels | 2 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 1 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Radiation Hardening | No |
| RAM Size | 8KB |
| RoHS Compliant | Yes |
| Series | Stellaris® ARM® Cortex®-M3S 800 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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