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Texas Instruments LM3S2432-EQC50-A2 — Microcontrollers & Processors (MCU / MPU / DSP)

LM3S2432-EQC50-A2 Stellaris ARM Cortex-M3 MCU, 50 MHz, 96 KB Flash

MPNLM3S2432-EQC50-A2
Obsolete

Texas Instruments Stellaris® ARM® Cortex®-M3S 2000 series MCU, LM3S2432-EQC50-A2, 32-Bit Single-Core, 50 MHz, 96KB Flash, 32K x 8 RAM, 100-LQFP, -40°C to 105°C.

Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LM3S2432-EQC50-A2 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~105°C(TA)
Speed50MHz
PackageTray
RAM size32K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
ConnectivityCANbus, I²C, IrDA, Microwire, SPI, SSI, UART/USART
Number of i (O)34
Core processorARM® Cortex®-M3
Case100-LQFP
Data convertersA/D 3x10b
Program memory size96KB (96K x 8)

Product details

50 MHz Cortex-M3 with industrial temperature range

The LM3S2432-EQC50-A2 is a 32-bit ARM Cortex-M3 MCU from the Stellaris series, clocked at 50 MHz with 96 KB Flash and 32K x 8 SRAM.

Key ratings for BOM fit

The 50 MHz core handles real-time control loops and protocol stacks. The internal oscillator is on-chip.

The LM3S2432-EQC50-A2 is marked obsolete by the manufacturer. No official successor part number is listed.

Frequently asked questions

Is LM3S2432-EQC50-A2 obsolete?

Yes, the LM3S2432-EQC50-A2 is marked obsolete by Texas Instruments. No direct replacement part number has been published. For existing designs, sourcing through independent distribution is the standard path.

What is the replacement for LM3S2432-EQC50-A2?

No official replacement part number is listed in the lifecycle record. The LM3S2432-EQC50-A2 is obsolete, so a pin-compatible alternative within the Stellaris family would need to be evaluated based on your specific requirements — check the package, supply voltage, and memory size.

What are the specifications of LM3S2432-EQC50-A2?

The LM3S2432-EQC50-A2 is a 32-bit ARM Cortex-M3 MCU clocked at 50 MHz, with 96 KB Flash, 32K x 8 RAM, 34 I/O pins, three 10-bit ADC channels, and serial interfaces including CAN, I²C, SPI, and UART. It operates from 2.25 V to 2.75 V over -40°C to 105°C in a 100-LQFP package.