32-bit ARM Cortex-M3S microcontroller featuring a 50MHz core frequency. This surface-mount LQFP package offers 96KB FLASH memory, 64KB RAM, and 43 I/O pins. Integrated peripherals include I2C, SPI, IrDA, UART, USART interfaces, 6 timers/counters, 3 UART channels, and a watchdog timer. Operating voltage range is 3V to 3.6V, with an operating temperature range of -40°C to 85°C. Includes Brown-out Detect/Reset, POR, and PWM functionalities.
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Texas Instruments LM3S1538-IQC50-A2 technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 50MHz |
| Interface | I2C, SPI, IrDA, UART, USART |
| Lead Free | Lead Free |
| Length | 14mm |
| Max Frequency | 50MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 96KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 3V |
| Mount | Surface Mount |
| Number of A/D Converters | 1 |
| Number of I/Os | 43 |
| Number of Programmable I/O | 43 |
| Number of Timers/Counters | 6 |
| 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 |
| Radiation Hardening | No |
| RAM Size | 64KB |
| RoHS Compliant | Yes |
| Series | Stellaris® ARM® Cortex®-M3S 1000 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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