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Texas Instruments LM3S8938-IQC50-A2T — Microcontrollers & Processors (MCU / MPU / DSP)

LM3S8938-IQC50-A2T Stellaris ARM Cortex-M3 MCU, 50 MHz, 256 KB Flash

MPNLM3S8938-IQC50-A2T
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Texas Instruments Stellaris ARM Cortex-M3S 8000 series, LM3S8938-IQC50-A2T, 32-bit MCU, 50 MHz, 256 KB Flash, 64 KB RAM, CAN, Ethernet, 38 I/O, 100-LQFP, -40 to 85°C.

$36.6275Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

LM3S8938-IQC50-A2T specifications
ParameterValue
SeriesStellaris® ARM® Cortex®-M3S 8000
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, Ethernet, I²C, IrDA, Microwire, SPI, SSI, UART/USART
Number of i (O)38
Core processorARM® Cortex®-M3
Case100-LQFP
Data convertersA/D 8x10b
Program memory size256KB (256K x 8)

Product details

The Texas Instruments LM3S8938-IQC50-A2T is a 32-bit ARM Cortex-M3 microcontroller from the Stellaris 8000 series, clocked at 50 MHz. That combination targets embedded control nodes that need both a fieldbus connection and a higher-level network link, such as a programmable automation controller or a remote I/O gateway.

It does not carry extended temperature ratings.

Lifecycle status — EOL, sourced to order

Frequently asked questions

What is the speed rating of LM3S8938-IQC50-A2T?

The core processor runs at 50 MHz. That is the maximum clock for the ARM Cortex-M3 core on this device.