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Texas Instruments LM3S9C97-IQC80-A1T — Microcontrollers & Processors (MCU / MPU / DSP)

LM3S9C97-IQC80-A1T Stellaris ARM Cortex-M3 MCU, 80MHz, 512KB Flash

MPNLM3S9C97-IQC80-A1T
Obsolete

Texas Instruments Stellaris® ARM® Cortex®-M3S 9000 series 32-bit MCU, LM3S9C97-IQC80-A1T, 80MHz core, 512KB Flash, 64KB RAM, 60 I/O, Ethernet + CAN + USB OTG, 100-LQFP, -40°C to 85°C.

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

Specifications

LM3S9C97-IQC80-A1T specifications
ParameterValue
SeriesStellaris® ARM® Cortex®-M3S 9000
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.235V ~ 1.365V
Operating temperature-40°C~85°C(TA)
Speed80MHz
PackageTape & Reel (TR)
RAM size64K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
ConnectivityCANbus, Ethernet, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG
Number of i (O)60
Core processorARM® Cortex®-M3
Case100-LQFP
Data convertersA/D 16x12b
Program memory size512KB (512K x 8)

Product details

What this Stellaris MCU brings to the board

The Texas Instruments LM3S9C97-IQC80-A1T is a 32-bit ARM Cortex-M3 microcontroller from the Stellaris 9000 series, built for control applications that need a wired network connection. It runs at 80 MHz, with 512 KB of Flash program memory and 64 KB of RAM — enough room for a real-time OS, a TCP/IP stack, and a control loop without constant paging.

Frequently asked questions

What is LM3S9C97-IQC80-A1T's listed speed?

The core runs at 80 MHz, which is the maximum clock for the ARM Cortex-M3 in this Stellaris 9000 series part.

What series is LM3S9C97-IQC80-A1T part of?

It belongs to the Stellaris ARM Cortex-M3S 9000 series from Texas Instruments.