Texas Instruments Stellaris ARM Cortex-M3S 5000 series, LM3S5K36-IQR80-C1, 32-bit single-core MCU, 80MHz, 128KB Flash, 24KB SRAM, 33 I/O, 8×10b ADC, USB/CAN/UART/SPI/SSI, 1.08V–1.32V, -40°C to 85°C, 64-LQFP, Tray.
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 5000 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.08V ~ 1.32V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 80MHz |
| Package | Tray |
| RAM size | 24K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | CANbus, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB |
| Number of i (O) | 33 |
| Core processor | ARM® Cortex®-M3 |
| Case | 64-LQFP |
| Data converters | A/D 8x10b |
| Program memory size | 128KB (128K x 8) |
The LM3S5K36-IQR80-C1 is a Stellaris ARM Cortex-M3S 5000 series 32-bit single-core microcontroller.
The core supply runs on 1.08 V to 1.32 V. The 64-LQFP package (10x10 mm) is hand-solderable with reasonable care and fits two-layer boards with a standard QFP footprint.
For BOM lines that need this exact order code, the only channel is independent distribution — surplus, new-old-stock, or broker-sourced inventory.
Yes, the lifecycle status is Obsolete. Texas Instruments no longer manufactures this device. It is available only through surplus or broker channels.
For new designs, consider current-production TI Stellaris or Tiva C Series Cortex-M4F MCUs, though a software migration will be needed.