Texas Instruments Stellaris ARM Cortex-M3S 1000 series LM3S1N16-IQR50-C3, 32-bit ARM Cortex-M3 MCU, 50 MHz, 64 KB Flash, 12 KB SRAM, 33 I/O, 64-LQFP, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 1000 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.08V ~ 3.6V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 50MHz |
| RAM size | 12K x 8 |
| Core size | 32-Bit Single-Core |
| Package | Tray |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | I2C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART |
| Number of i (O) | 33 |
| Core processor | ARM® Cortex®-M3 |
| Case | 64-LQFP |
| Data converters | A/D 8x10b |
| Program memory size | 64KB (64K x 8) |
The 64 KB Flash suits bootloader-plus-application schemes typical in industrial sensors and motor drives where field updates are handled via the internal boot ROM.
No underfill required, and a good hot-air station can lift and replace the part without damaging the board.
That means no last-time-buy deadline, no forced redesign for a replacement.
No — the lifecycle record lists this part as active.
No official replacement part number is recorded in the lifecycle data. Because the part is still active, no direct substitute is needed — the same order code continues to be the correct procurement target.
The LM3S1N16-IQR50-C3 includes I2C, IrDA, LINbus, Microwire, SPI, SSI, and UART/USART interfaces. This set covers common sensor buses, serial communication with peripherals, and LIN for automotive subnets — no external bridge chips needed for most industrial or automotive control applications.