Skip to main content
Texas Instruments LM3S1J16-IQR50-C0 — Microcontrollers & Processors (MCU / MPU / DSP)

TI LM3S1J16-IQR50-C0 Stellaris Cortex-M3 MCU, 50 MHz

MPNLM3S1J16-IQR50-C0
Obsolete

TI Stellaris ARM Cortex-M3S 1000 series, LM3S1J16-IQR50-C0, 32-bit MCU, 50 MHz, 128 KB Flash, 20 KB RAM, 33 I/O, 8x10b ADC, I²C/SPI/UART/LIN, -40 to 85°C, 64-LQFP.

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

Specifications

LM3S1J16-IQR50-C0 specifications
ParameterValue
SeriesStellaris® ARM® Cortex®-M3S 1000
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.08V ~ 3.6V
Operating temperature-40°C~85°C(TA)
Speed50MHz
PackageTray
RAM size20K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
ConnectivityI²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART
Number of i (O)33
Core processorARM® Cortex®-M3
Case64-LQFP
Data convertersA/D 8x10b
Program memory size128KB (128K x 8)

Product details

The LM3S1J16-IQR50-C0 is a 32-bit ARM Cortex-M3 MCU from the Stellaris 1000 series, clocked at 50 MHz with 128 KB of Flash and 20 KB of RAM. It includes serial interfaces and an 8-channel 10-bit ADC.

50 MHz Cortex-M3 — what the speed buys you

The ARM Cortex-M3 core runs at 50 MHz. The 20 KB RAM and 128 KB Flash support moderate data buffers and firmware with room for bootloader partitions.

Surface-mount only; no through-hole option.

Frequently asked questions

What is the closest pin-compatible alternative to LM3S1J16-IQR50-C0?

No official pin-compatible successor is listed in the lifecycle record. A drop-in replacement within the Stellaris family may exist, but the buyer must verify peripheral compatibility and memory map against the original design.

What is the listed speed of LM3S1J16-IQR50-C0?

The core runs at 50 MHz, which is the headline performance spec for this Cortex-M3 MCU.

What series does LM3S1J16-IQR50-C0 belong to?

It is part of the TI Stellaris ARM Cortex-M3S 1000 series.