TM4C129DNCPDTI3 Overview
The TM4C129DNCPDTI3 is a high-performance microcontroller in the TM4C family from Texas Instruments. It pairs an ARM Cortex-M4F core running up to 120 MHz with large on-chip memory to support complex networking and industrial control stacks. The device offers integrated Ethernet, multiple serial interfaces, and a broad set of analog and timer peripherals. It is designed for systems that need more compute, more connectivity, and more deterministic I/O than typical 32?bit MCUs. See manufacturer resources at IC Manufacturer for ordering and documentation.
TM4C129DNCPDTI3 Technical Specifications
| Parameter | Value |
|---|---|
| Core | ARM Cortex-M4F |
| Maximum CPU Frequency | 120 MHz |
| Flash Memory (on-chip) | 1 MB |
| SRAM (on-chip) | 256 KB |
| Ethernet | 10/100 Mbps MAC (IEEE 1588 support) |
| USB | USB 2.0 OTG with integrated PHY |
| CAN | 2 ?? CAN controllers |
| ADC | 12-bit ADC modules, multiple input channels |
| GPIO Count (approx.) | Up to 120 pins available |
| Operating Voltage | 3.3 V nominal |
| Temperature Range | Industrial grade, ?40 ??C to +85 ??C |
| Package | LQFP / large pin-count package |
TM4C129DNCPDTI3 Key Features
- High-performance Cortex-M4F core provides deterministic compute for real-time control and DSP-like operations at up to 120 MHz.
- Large on-chip Flash and SRAM enable firmware and network stacks to run without external memory, reducing BOM and board area.
- Integrated 10/100 Ethernet MAC with precision timing supports real-time networked control and time-synchronized applications.
- USB 2.0 OTG with PHY simplifies host/device connectivity and accelerates USB-based provisioning and data exchange.
- Multiple serial buses (UART, SPI/SSI, I2C, CAN) provide flexible interfacing to sensors, actuators, and field networks.
- Analog and timer resources (12-bit ADC, PWM, timers) support motor control, data acquisition, and power management tasks.
- Industrial temperature rating ensures reliability in harsher environments compared with consumer-grade MCUs.
Typical Applications
- Industrial Ethernet controllers and gateways where deterministic 10/100 Mbps connectivity and IEEE 1588 timestamping are required for plant-floor synchronization and control.
- Secure IoT edge nodes that combine local real-time processing with on-board Ethernet and USB for provisioning, diagnostics, and high-speed data transfer.
- Building automation and HVAC controllers needing multiple serial interfaces, precise ADC sampling, and sufficient Flash for complex firmware and logging.
- Motor control and motion systems that require fast PWM, accurate ADC measurements, and a Cortex-M4F core for control algorithms and sensor fusion.
TM4C129DNCPDTI3 Advantages vs Typical Alternatives
The device delivers more on-chip memory and higher peak CPU frequency than many 32?bit microcontrollers in its class. It integrates a 10/100 Ethernet MAC and USB OTG with PHY, reducing the need for external network controllers and enabling lower BOM cost versus alternatives that require separate chips. The combination of an FPU-enabled Cortex-M4, multiple CAN and serial interfaces, and industrial temperature rating makes it better suited for mixed real-time and networked applications where both compute and connectivity matter.
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TM4C129DNCPDTI3 Brand Info
TM4C129DNCPDTI3 is part of Texas Instruments?? TM4C microcontroller family, commercialized under the Tiva? brand. TI positions these devices for industrial and networking applications that require robust connectivity, deterministic performance, and long-term availability. TI supports the family with development tools, software libraries, and application notes to speed product development.
FAQ
What core architecture does this MCU use?
The MCU uses an ARM Cortex-M4F core. The FPU accelerates floating-point math, which helps DSP-like algorithms, motor control, and sensor fusion run faster and with fewer cycles.
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Does it support Ethernet networking?
Yes. The device includes a 10/100 Mbps Ethernet MAC with precision timing features. This enables networked control, time synchronization, and lower-latency data transfer compared to serial-only solutions.
Is USB supported on-chip?
Yes. It provides USB 2.0 OTG functionality with an integrated PHY. That lets designs support both host and device roles without adding an external PHY in many cases.
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Can it run in industrial environments?
Designed for industrial use, the MCU supports an operating temperature range that covers typical industrial conditions. This makes it more reliable than consumer-grade parts in harsh environments.
Where can developers find software and tools?
Texas Instruments supplies device drivers, peripheral libraries, and evaluation modules for the TM4C family. Those resources accelerate firmware development and prototyping for connectivity and control applications.