Skip to main content
Log in
Texas Instruments LM3S5K36-IQR80-C0T — Microcontrollers & Processors (MCU / MPU / DSP)

LM3S5K36-IQR80-C0T Stellaris ARM Cortex-M3 MCU, 80MHz

MPNLM3S5K36-IQR80-C0T
Obsolete

Texas Instruments Stellaris® ARM® Cortex®-M3S 5000 series LM3S5K36-IQR80-C0T, 32-bit single-core MCU, 80MHz, 128KB Flash, 24KB RAM, CANbus, USB, I²C, SPI, UART, 33 I/O, 64-LQFP, -40°C to 85°C.

Texas Instruments LM3S5K36-IQR80-C0T datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LM3S5K36-IQR80-C0T specifications
ParameterValue
SeriesStellaris® ARM® Cortex®-M3S 5000
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.08V ~ 1.32V
Operating temperature-40°C~85°C(TA)
Speed80MHz
PackageTape & Reel (TR)
RAM size24K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
ConnectivityCANbus, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB
Number of i (O)33
Core processorARM® Cortex®-M3
Case64-LQFP
Data convertersA/D 8x10b
Program memory size128KB (128K x 8)

Product details

80 MHz Cortex-M3 with 128 KB Flash — what it covers

This is a single-core 32-bit MCU in a 64-LQFP package (10x10 mm), surface-mount, with 33 general-purpose I/O lines.

This part is officially obsolete per the lifecycle record. For new designs, an alternative should be evaluated.

Connectivity and control peripherals

The LM3S5K36-IQR80-C0T includes a brown-out detect/reset, POR, DMA controller, PWM timers, and a watchdog timer. Its connectivity spans CANbus, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, and USB — covering most industrial and embedded control interfaces.

Frequently asked questions

Is LM3S5K36-IQR80-C0T obsolete?

Determines long-term availability and need for redesign or replacement sourcing.

What is the recommended replacement for LM3S5K36-IQR80-C0T?

Critical for design engineers and buyers to avoid supply chain disruption.

What are the key specifications of LM3S5K36-IQR80-C0T?

Needed for design-in verification and datasheet lookup.

Where can I buy LM3S5K36-IQR80-C0T?

Direct purchasing action for sourcing teams and brokers.

What is the pinout of LM3S5K36-IQR80-C0T?

Essential for PCB layout and compatibility checks.

Is LM3S5K36-IQR80-C0T RoHS compliant?

Regulatory requirement for many end products and markets.