The LM3S5752-IQR50-A0: 32-bit ARM Cortex-M3 MCU, 50 MHz, 128 KB Flash, 64 KB SRAM. USB OTG, CAN, I²C, SPI, UART, SSI. 64-LQFP (10x10 mm), 33 GPIOs.
50 MHz Cortex-M3 with 64 KB SRAM handles a PID loop or CAN message parsing without a co-processor.
LM3S5752-IQR50-A0 Stellaris ARM Cortex-M3 MCU, 50 MHz, 128 KB Flash
MPNLM3S5752-IQR50-A0
NRND
Stellaris® ARM® Cortex®-M3S 5000 series 32-bit MCU, LM3S5752-IQR50-A0, 50 MHz, 128 KB Flash, 64 KB RAM, USB OTG, CAN, I²C, SPI, UART, 64-LQFP, -40 to 85°C.
$14.0636Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 5000 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2.25V ~ 2.75V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 50MHz |
| Package | Tray |
| RAM size | 64K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | CANbus, I²C, IrDA, Microwire, SPI, SSI, UART/USART, USB OTG |
| Number of i (O) | 33 |
| Core processor | ARM® Cortex®-M3 |
| Case | 64-LQFP |
| Data converters | A/D 6x10b |
| Program memory size | 128KB (128K x 8) |
Product details
Frequently asked questions
What is the closest pin-compatible alternative to LM3S5752-IQR50-A0?
There is no official pin-compatible replacement listed for this NRND part. For new designs, the active Stellaris LM4F or TM4C series in the same 64-LQFP footprint are the logical migration path, but verify the pinout and peripheral set against your specific design.
What is LM3S5752-IQR50-A0's listed speed?
The core runs at 50 MHz, which is sufficient for real-time control loops and protocol handling in industrial embedded systems.