Texas Instruments Stellaris® ARM® Cortex®-M3S 1000 series LM3S1J11-IQC50-C5, 32-Bit Single-Core MCU, 50MHz, 128KB Flash, 20K x 8 RAM, 67 I/O, 100-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 |
| Package | Tray |
| RAM size | 20K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | I2C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART |
| Number of i (O) | 67 |
| Core processor | ARM® Cortex®-M3 |
| Case | 100-LQFP |
| Data converters | A/D 8x10b |
| Program memory size | 128KB (128K x 8) |
The LM3S1J11-IQC50-C5: This part carries an obsolete product status per the manufacturer.
The 67 I/O lines, combined with the internal oscillator, brown-out detect, POR, DMA, PWM, and WDT peripherals, let it handle sensor polling, actuator PWM, and communication stacks without an external supervisor or clock IC.
The product status dictates availability and sourcing strategy for buyers and brokers.
Engineers and buyers need to know which part can replace this obsolete device without redesign.
Sourcing buyers need to find stock or authorized distributors for immediate procurement.
Design engineers need the datasheet to validate electrical and mechanical fit.
Hardware engineers need pin mapping for PCB layout and compatibility checks.
Brokers and technicians need alternative part numbers to source or replace the device.