TM4C1299NCZADI3 Overview
The TM4C1299NCZADI3 is a high-performance microcontroller from IC Manufacturer that targets industrial and networking applications. It combines a modern ARM core with on-chip peripherals for wired networking, serial communications, and analog interfacing. The device emphasizes deterministic control, high integration, and greater I/O density compared with many 32?bit MCU alternatives. Engineers and sourcing specialists will find a balance of processing throughput, peripheral count, and integration suitable for gateway, control, and secure communications designs where single-chip solutions reduce board area and BOM count.
TM4C1299NCZADI3 Technical Specifications
| Parameter | Value |
|---|---|
| Core | ARM Cortex?M4 with floating point unit |
| Maximum CPU frequency | 120 MHz |
| Flash memory | 1 MB (1024 KB) |
| SRAM | 256 KB |
| Ethernet | 10/100 Mbps MAC (with PHY on selected variants) |
| USB | USB 2.0 OTG full?/high?speed |
| ADC resolution | 12?bit successive?approximation |
| Operating temperature | Industrial range: ?40 ??C to +85 ??C |
| Package | VFQFN / Z package, carrier: tape & reel (industrial grade) |
| Security | On?chip cryptographic accelerators for AES/SHA |
TM4C1299NCZADI3 Key Features
- High?performance core: ARM Cortex?M4 with FPU delivers faster integer and floating?point math for control and DSP tasks, enabling shorter control loop latencies.
- Integrated Ethernet: Built?in 10/100 MAC (and PHY on family variants) simplifies networked designs and lowers total system cost versus discrete solutions.
- Rich peripheral set: Multiple UART, SPI, I2C, CAN, PWM and SDIO controllers provide broad connectivity and simplify integration with sensors and actuators.
- On?chip security accelerators: Hardware AES/SHA engines speed cryptographic operations and reduce CPU load for secure communications and firmware authentication.
Typical Applications
- Industrial Ethernet gateways and protocol converters that require deterministic control, integrated 10/100 networking, and secure firmware handling for field deployments.
- Embedded routers and networked controllers that need multiple serial interfaces, USB host/device support, and hardware cryptography for secure data paths.
- Motion control and factory automation nodes where faster math via a floating point unit yields tighter real?time control and reduced CPU overhead.
- Smart meters and metering gateways combining analog measurement, communications stacks, and local processing to reduce system component count and power.
TM4C1299NCZADI3 Advantages vs Typical Alternatives
The TM4C1299NCZADI3 offers a higher integration level than many discrete MCU-plus-phy designs. With a 120 MHz ARM Cortex?M4F and built?in 10/100 Ethernet plus USB OTG, it reduces external components and board area. On?chip cryptographic acceleration and ample SRAM and Flash provide stronger security and larger application space compared with lower?end 32?bit MCUs. For designs needing both networking and real?time control, it delivers greater peripheral density and performance per dollar than many comparable microcontrollers.
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TM4C1299NCZADI3 Brand Info
TM4C1299NCZADI3 is part of Texas Instruments’ embedded microcontroller portfolio. TI positions this family for industrial and networking use where integration, robustness, and ecosystem support matter. The brand emphasizes long?term availability, extensive software drivers, and development tools to accelerate prototyping and production.
FAQ
What core does it use?
The device uses an ARM Cortex?M4 core with a hardware floating point unit. This core supports faster DSP and floating?point workloads than basic Cortex?M0/M3 designs.
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Does it support Ethernet?
Yes. The family includes a 10/100 Mbps Ethernet MAC and, on selected variants, an integrated PHY. This reduces external component count for networked applications.
What is the maximum clock speed?
The MCU runs up to 120 MHz, which offers higher deterministic throughput than many entry?level 32?bit microcontrollers for control and communication tasks.
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Is there hardware security?
Yes. The device includes on?chip cryptographic accelerators such as AES and SHA engines, which speed secure communications and lower CPU overhead for encryption tasks.
Where to find development support?
Texas Instruments supplies software libraries, reference designs, and evaluation modules for this MCU family. Use TI’s SDKs and tools to accelerate firmware development and hardware bring?up.




