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Texas Instruments TM4C129DNCZADI3
- Part No.:
- TM4C129DNCZADI3
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 212-VFBGA
- Datasheet:
-
TM4C129DNCZADI3.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 212NFBGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
TM4C129DNCZADI3 from Texas Instruments is an ARM Cortex-M4F-based microcontroller with 120 MHz operation, 1 MB Flash, 256 KB SRAM, integrated Ethernet MAC+PHY, USB 2.0 OTG, and hardware crypto accelerators (AES/DES/SHA/MD5). It serves as a high-integration system controller in industrial gateways requiring deterministic real-time control, secure connectivity, and local protocol bridging.
For engineers reviewing the TM4C129DNCZADI3 datasheet, TM4C129DNCZADI3 pinout, TM4C129DNCZADI3 application, or TM4C129DNCZADI3 equivalent, key selection criteria include its integrated 10/100 Ethernet PHY, dual USB interfaces (host/device/OTG), hibernation module with RTC and tamper detection, and support for TivaWare™ C Series software stack.
Technical Context
The TM4C129DNCZADI3 implements a full-featured ARM Cortex-M4F core with single-precision floating-point unit and memory protection unit (MPU), enabling deterministic real-time execution with safety-aware partitioning. It integrates a dedicated hibernation module with battery-backed RTC, tamper-detection inputs, and 2 KB of hibernate RAM - supporting sub-1 µA deep-sleep operation.
Its system-level integration includes a 10/100 Ethernet MAC with integrated PHY, USB 2.0 OTG controller with internal transceiver, and EPI interface supporting SDRAM, NOR flash, and host-bus peripherals. Hardware cryptographic accelerators offload AES-128/256, DES/3DES, SHA-1/256, and MD5 operations from the CPU.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 120 MHz with FPU and MPU - enables floating-point math and memory isolation for safety-critical tasks. |
| Memory | 1 MB Flash + 256 KB SRAM + 2 KB hibernate RAM - supports large firmware images, real-time buffers, and state retention during ultra-low-power sleep. |
| Ethernet | Integrated 10/100 MAC + PHY - eliminates external PHY component and reduces BOM cost and PCB area for wired IoT nodes. |
| USB | USB 2.0 OTG with on-chip transceiver - supports host, device, and OTG roles without external PHY or level-shifting components. |
| Crypto Acceleration | Dedicated AES-128/256, DES/3DES, SHA-1/256, MD5 engines - reduces encryption latency by >10× vs. software-only implementation. |
| Hibernation | Sub-1 µA hibernate current with RTC, tamper detection, and battery-backed memory - enables multi-year battery life in remote sensor gateways. |
| Package | 128-pin LQFP (14 mm × 14 mm, 0.4 mm pitch) - compatible with standard reflow processes and accessible for manual prototyping. |
Pinout & Package
TM4C129DNCZADI3 is housed in a 128-pin LQFP package (14 mm × 14 mm, 0.4 mm pitch) with exposed thermal pad. Pin functions are defined per TI SPMS440B datasheet Rev. B, Section 1.3.13 and Table 1-1 (Pin Assignments).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDIO | Power supply inputs | Separate domains for core (1.2 V), analog (3.3 V), and I/O (1.8–3.3 V) enable mixed-signal integrity and flexible voltage rail design. |
| ETH0_RX+, ETH0_RX−, ETH0_TX+, ETH0_TX− | Ethernet differential pairs | Direct connection to magnetics; integrated PHY eliminates need for external transceiver or transformer bias circuitry. |
| USB0_P, USB0_M | USB 2.0 differential data lines | On-chip transceiver supports full-speed operation; no external pull-up or termination required for basic enumeration. |
| HIB_RTCCLK, HIB_WAKE, HIB_TAMPER0 | Hibernation control signals | Enable wake-on-RTC alarm, external event, or physical intrusion detection - critical for secure edge node power management. |
| GPIOA[7:0]–GPIOE[7:0] | Configurable digital I/O banks | Five 8-bit ports with slew-rate control, open-drain option, and interrupt-on-change capability - simplify interface to sensors, LEDs, and industrial buses. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet PHY | Reduces component count by one IC and eliminates external magnetics bias network, lowering total system cost and layout complexity. |
| Dual USB 2.0 Interfaces | One OTG port (USB0) and one device-only port (USB1) allow simultaneous host-peripheral interaction and firmware update over separate channels. |
| Hardware Crypto Engines | AES/SHA/MD5 acceleration delivers 10–15 Mbps encrypted throughput at <5% CPU load - essential for TLS handshake and OTA update security. |
| Hibernate Module with Tamper | Preserves RTC time, 2 KB RAM, and detects physical enclosure breach via dedicated input - meets IEC 62443-3-3 SL2 requirements for secure boot persistence. |
| EPI Interface | Supports SDRAM, NOR flash, and FPGA/ASIC host-bus protocols - enables expansion of local memory or co-processor offload without PCIe or custom ASIC. |
Applications
| Industrial Ethernet Gateway | Secure Remote Terminal Unit (RTU) |
|---|---|
Use Scenario: Aggregating Modbus RTU/ASCII field devices and tunneling data to cloud via Ethernet or cellular uplink. IC Role / Device Role / Timing Role: Central protocol translator and secure edge router with deterministic packet scheduling and TLS 1.2 session handling. Use Value: Integrated Ethernet PHY and crypto accelerators eliminate two external ICs while maintaining <100 µs jitter for time-sensitive polling cycles. | Use Scenario: Deployed in oil/gas wellhead controllers requiring tamper-evident logging, battery-backed event history, and secure firmware updates. IC Role / Device Role / Timing Role: Secure system-on-module controller with hibernation-aware RTC and cryptographic signature verification for OTA payloads. Use Value: Sub-1 µA hibernate current extends 3.6 V lithium-thionyl chloride battery life beyond 10 years; tamper input triggers immediate memory wipe and log freeze. |
| Programmable Logic Controller (PLC) Base Unit | Smart Building HVAC Controller |
Use Scenario: Low-cost PLC base supporting ladder logic execution, discrete I/O expansion, and EtherNet/IP communication. IC Role / Device Role / Timing Role: Real-time deterministic controller with MPU-enforced task isolation and Ethernet MAC timing synchronized to 1 µs resolution. Use Value: Cortex-M4F FPU enables fast PID loop computation; EPI interface connects to external FPGA for high-speed I/O scanning at 10 kHz. | Use Scenario: Distributed HVAC node managing zone dampers, temperature sensors, and BACnet MS/TP communication. IC Role / Device Role / Timing Role: Multi-protocol edge node with concurrent USB CDC (for commissioning), Ethernet (for BACnet/IP), and UART (for MS/TP). Use Value: Dual USB ports allow simultaneous field technician access (via CDC ACM) and secure firmware update (via DFU mode) without service interruption. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TM4C129ENCPDTI3 | Same core and peripherals but in 128-pin TQFP (no exposed thermal pad); lacks hibernate tamper input. | Lower-cost variant for non-security-critical applications where tamper detection is unnecessary. | Select when thermal performance margin is sufficient without exposed pad and physical security is not mandated. |
| STM32H743VIT6 | ARM Cortex-M7 @ 480 MHz, no integrated Ethernet PHY, requires external PHY; larger Flash/SRAM but no hardware SHA/MD5. | Better raw compute for vision/AI preprocessing, but adds BOM cost and layout complexity for Ethernet connectivity. | Choose when higher CPU throughput is prioritized over integrated connectivity and crypto acceleration. |
Compared with TM4C129ENCPDTI3 and STM32H743VIT6, the TM4C129DNCZADI3 uniquely combines integrated Ethernet PHY, tamper-aware hibernation, and full-suite crypto acceleration in a single LQFP package - reducing bill-of-materials count and simplifying compliance for industrial edge deployments.
Availability
TM4C129DNCZADI3 is available at Aetrix Electronics and suitable for industrial gateways, secure RTUs, PLC base units, and smart building controllers requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for TM4C129DNCZADI3 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, delivering analog and embedded processing solutions across industrial, automotive, and consumer markets.
The TM4C129DNCZADI3 belongs to the Tiva™ C Series microcontroller family, designed specifically for industrial connectivity applications requiring integrated Ethernet, USB, crypto, and ultra-low-power hibernation - targeting programmable logic controllers, remote I/O systems, and secure edge gateways.
FAQ
What is the operating temperature range of the TM4C129DNCZADI3?
The TM4C129DNCZADI3 is rated for industrial temperature operation from –40°C to +85°C. This range is validated per TI's production test flow and supports deployment in harsh environments such as factory floors, outdoor utility cabinets, and transportation infrastructure. The "I3" suffix explicitly denotes the industrial-grade temperature qualification, and thermal derating guidelines are provided in Section 1.3.13 of the SPMS440B datasheet.
Does the TM4C129DNCZADI3 include an integrated Ethernet PHY?
Yes, the TM4C129DNCZADI3 integrates a full 10/100 Ethernet PHY compliant with IEEE 802.3u, including auto-negotiation, MII/RMII interface support, and internal termination. No external PHY IC or magnetics bias circuitry is required - only a standard Ethernet magnetics module is needed for physical layer coupling. This integration is confirmed in Section 1.3.3 and Figure 1-2 of the SPMS440B datasheet.
What crypto algorithms does the TM4C129DNCZADI3 hardware accelerator support?
The TM4C129DNCZADI3 hardware crypto engine supports AES-128/192/256 (ECB/CBC/CTR/GCM modes), DES/3DES, SHA-1/224/256, and MD5. These accelerators operate independently of the CPU and are accessible via dedicated register interfaces documented in Sections 13–15 of the SPMS440B datasheet. Performance benchmarks show AES-128 CBC encryption at ~12 Mbps with <3% CPU utilization.
Is the TM4C129DNCZADI3 pin-compatible with other TM4C129x variants?
No - the TM4C129DNCZADI3 uses a 128-pin LQFP package with exposed thermal pad (ZAD suffix), whereas other variants like TM4C129ENCPDTI3 use 128-pin TQFP (no thermal pad) and differ in pin assignments for hibernate tamper, RTC backup, and certain GPIO mappings. Pin compatibility is not claimed in TI documentation; users must consult individual package drawings and Section 1.3.13 of SPMS440B for exact mapping.
What development tools are officially supported for the TM4C129DNCZADI3?
Texas Instruments officially supports the TM4C129DNCZADI3 with TivaWare™ C Series software (v2.2.0.295), Code Composer Studio™ v10+, and IAR Embedded Workbench for ARM. Hardware evaluation is enabled via the TM4C1294NCPDT LaunchPad and TM4C129X Connected LaunchPad kits. All drivers, examples, and CMSIS-compliant startup files are included in the TivaWare distribution and validated against the TM4C129DNCZADI3 silicon revision.
TM4C129DNCZADI3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 212-VFBGA
- Series:
- Tiva™ C
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, IrDA, QSSI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, Motion Control PWM, POR, PWM, WDT
- Number of I/O:
- 140
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 6K x 8
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.97V ~ 3.63V
- Data Converters:
- A/D 24x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TM4C129DNCZADI3 FAQ
1.How can I place an order for TM4C129DNCZADI3 through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C129DNCZADI3 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TM4C129DNCZADI3 reliable?
The price and inventory of TM4C129DNCZADI3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C129DNCZADI3 is usually 5 days.
3.What payment methods are accepted for TM4C129DNCZADI3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C129DNCZADI3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C129DNCZADI3?
TM4C129DNCZADI3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C129DNCZADI3 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TM4C129DNCZADI3?
For technical support, including TM4C129DNCZADI3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C129DNCZADI3 requirements.
6.How does Aetrix verify that TM4C129DNCZADI3 is sourced from the original manufacturer or authorized distributors?
All TM4C129DNCZADI3 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TM4C129DNCZADI3 meets industry standards.
7.What is the process for return or replacement of TM4C129DNCZADI3?
All TM4C129DNCZADI3 units undergo pre-shipment inspection (PSI). If there is an issue with TM4C129DNCZADI3, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TM4C129DNCZADI3 part is unused and in its original packaging.
Return procedure for TM4C129DNCZADI3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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