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Texas Instruments TM4C129EKCPDTI3R — Microcontrollers & Processors (MCU / MPU / DSP)

TM4C129EKCPDTI3R Tiva C ARM Cortex-M4F MCU, 120MHz, 512KB Flash

MPNTM4C129EKCPDTI3R
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Texas Instruments Tiva C series TM4C129EKCPDTI3R, 32-bit ARM Cortex-M4F MCU, 120MHz, 512KB Flash, 256KB RAM, 6KB EEPROM, 90 I/O, Ethernet + USB OTG + CAN, 128-TQFP, -40°C to 85°C.

$11.2422Ref. price · indicative, final on quote
Texas Instruments TM4C129EKCPDTI3R datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

TM4C129EKCPDTI3R specifications
ParameterValue
SeriesTiva™ C
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))2.97V ~ 3.63V
Operating temperature-40°C~85°C(TA)
Speed120MHz
PackageTape & Reel (TR)
RAM size256K x 8
Core size32-Bit Single-Core
EEPROM size6K x 8
PeripheralsBrown-out Detect/Reset, DMA, Motion Control PWM, POR, PWM, WDT
ConnectivityCANbus, EBI/EMI, Ethernet, I²C, IrDA, QEI, SPI, SSI, UART/USART, USB OTG
Number of i (O)90
Core processorARM® Cortex®-M4F
Case128-TQFP
Data convertersA/D 20x12b
Program memory size512KB (512K x 8)

Product details

Cortex-M4F at 120 MHz with integrated Ethernet and USB

The TM4C129EKCPDTI3R: 32-bit ARM Cortex-M4F MCU from Texas Instruments, clocked at 120 MHz. 512 KB Flash, 256 KB SRAM, 6 KB EEPROM on-chip. 128-TQFP package, 90 I/O, -40°C to 85°C.

The 256 KB SRAM handles packet buffers and control loops without external memory; the 6 KB EEPROM stores calibration constants and network parameters, eliminating an external serial EEPROM. The integrated Ethernet PHY saves a discrete PHY chip and its magnetics footprint, while the USB OTG host/device capability supports field firmware updates via USB stick or direct PC connection.

Lifecycle: last-time-buy window open — act now

The TM4C129EKCPDTI3R carries an EOL-hot lifecycle status, meaning the manufacturer has announced end-of-life and the last-time-buy window is active. Buyers should secure final-order quantities or begin qualification of a replacement. The base product number TM4C129 covers a family of pin-compatible density variants; for long-term supply, consider migrating to a currently active sibling within the same Tiva C portfolio.

Integration checklist

Supply range is 2.97 V to 3.63 V. Internal oscillator included. 128-TQFP (14x14 mm). 20-channel 12-bit ADC.

Frequently asked questions

What is TM4C129EKCPDTI3R's listed speed?

The core is rated at 120 MHz, which provides enough throughput for real-time control loops, protocol stacks (Ethernet/IP, Modbus TCP), and DSP-style math via the single-precision FPU.

What is the closest pin-compatible alternative to TM4C129EKCPDTI3R in this family?

The TM4C129 family includes multiple density and feature variants sharing the same 128-TQFP footprint. For long-term supply, consider a currently active sibling within the Tiva C portfolio; the base product number TM4C129 covers the pin-compatible options. Contact us with your volume and target lifecycle for a specific cross-reference recommendation.