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Texas Instruments LM3S2950-IQC50-A2T — Microcontrollers & Processors (MCU / MPU / DSP)

LM3S2950-IQC50-A2T Stellaris ARM Cortex-M3 MCU, 50 MHz

MPNLM3S2950-IQC50-A2T
NRND

Texas Instruments Stellaris® ARM® Cortex®-M3S 2000 series LM3S2950-IQC50-A2T, 32-bit single-core MCU, 50 MHz, 256 KB Flash, 64K x 8 SRAM, 60 I/O, CANbus, I²C, SPI, UART, -40°C to 85°C, 100-LQFP.

$17.9962Ref. price · indicative, final on quote
Texas Instruments LM3S2950-IQC50-A2T datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LM3S2950-IQC50-A2T specifications
ParameterValue
SeriesStellaris® ARM® Cortex®-M3S 2000
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))2.25V ~ 2.75V
Operating temperature-40°C~85°C(TA)
Speed50MHz
PackageTape & Reel (TR)
RAM size64K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
ConnectivityCANbus, I²C, IrDA, Microwire, QEI, SPI, SSI, UART/USART
Number of i (O)60
Core processorARM® Cortex®-M3
Case100-LQFP
Program memory size256KB (256K x 8)

Product details

What this Cortex-M3 brings to a 50 MHz control design

It targets embedded control applications that need a balanced mix of processing throughput and peripheral integration — motor drives, industrial CAN nodes, sensor hubs, and human-machine interfaces.

This part carries a Not Recommended for New Designs (NRND) lifecycle status. That means TI has stopped promoting it for new project starts, though it remains available for existing production runs through the independent distribution channel.

CAN bus and industrial connectivity on a single chip

The 60 general-purpose I/O pins, all in a 100-LQFP package, give enough headroom for parallel LCD interfaces or banked sensor inputs without needing an external GPIO expander.

Frequently asked questions

Is LM3S2950-IQC50-A2T obsolete?

It is not fully obsolete, but it is classified as Not Recommended for New Designs (NRND). TI no longer promotes it for new projects, but it can still be sourced through independent distribution for sustaining production. For new designs, a current-production Cortex-M3 or M4 alternative should be evaluated.

Does LM3S2950-IQC50-A2T have CAN bus?

This makes it suitable for CAN-based industrial control networks.

What is the replacement for LM3S2950 IQC50 A2T?

For a pin-compatible replacement within the Stellaris family, check the current TI Cortex-M3 portfolio in the same 100-LQFP footprint — parametric similarity in Flash size, SRAM, and peripheral set is the starting point. We can help identify candidates when you submit an RFQ with your specific requirements.