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Texas Instruments TM4C129ENCZADT3
- Part No.:
- TM4C129ENCZADT3
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 212-VFBGA
- Datasheet:
-
TM4C129ENCZADT3.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 212NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:327
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Product details
Overview
TM4C129ENCZADT3 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 host controller in industrial gateways requiring real-time connectivity, secure firmware updates, and deterministic motion control.
For engineers reviewing the TM4C129ENCZADT3 datasheet, TM4C129ENCZADT3 pinout, TM4C129ENCZADT3 application, or TM4C129ENCZADT3 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 TM4C129ENCZADT3 implements a full-featured ARM Cortex-M4F core with single-precision floating-point unit and 16-stage pipeline, enabling deterministic execution of control loops and signal processing. It integrates a dedicated hibernation module with battery-backed RTC, tamper-detect inputs, and 2 KB of hibernate memory-enabling sub-5 µA deep-sleep operation while retaining timekeeping and wake-up capability.
Its system-level integration includes a 32-channel μDMA controller supporting scatter-gather transfers, configurable GPIOs with interrupt-on-change and masking per pin, and an External Peripheral Interface (EPI) capable of SDRAM, SRAM, and NAND flash interfacing at up to 60 MHz. The on-chip Ethernet subsystem includes MII/RMII support and IEEE 1588 timestamping logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 120 MHz with FPU - enables real-time math-intensive tasks like motor control and sensor fusion without external coprocessor |
| Memory | 1 MB Flash + 256 KB SRAM + 2 KB hibernate RAM - sufficient for dual-application firmware images and secure boot with rollback protection |
| Ethernet | Integrated 10/100 MAC + PHY with MII/RMII - eliminates external PHY BOM and layout complexity for wired industrial networking |
| USB | USB 2.0 OTG + Device-only interface - supports simultaneous host-peripheral operation (e.g., USB flash drive + HID device) |
| Crypto Acceleration | Dedicated AES-128/256, DES/3DES, SHA-1/256, MD5 engines - offloads TLS handshake and firmware signature verification from CPU |
| Hibernation | Sub-5 µA hibernate current with RTC, tamper, and battery-backed memory - enables years-long battery life in remote monitoring nodes |
| Package | 128-pin LQFP (14 × 14 mm, 0.4 mm pitch) - compatible with standard reflow processes and accessible for manual prototyping |
Pinout & Package
TM4C129ENCZADT3 is housed in a 128-pin LQFP package (14 mm × 14 mm, 0.4 mm pitch) with exposed thermal pad. Pin assignments follow TI's standardized Tiva C Series pin mapping, supporting multiplexed peripheral functions across GPIO banks A–P.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDC | Power supply rails | Separate analog/digital/core domains enable noise isolation for ADC and high-speed digital logic |
| PD0–PD7 | Ethernet MII/RMII interface | Direct connection to Ethernet magnetics without level-shifting; RMII mode reduces pin count by 50% |
| USB0VBUS, USB0ID | USB OTG detection | Enables automatic role switching between host and device based on VBUS presence and ID pin state |
| HIBERNATE_RTCCLK | Hibernate module clock input | Accepts external 32.768 kHz crystal or internal low-power oscillator for accurate timekeeping during hibernation |
| RTCCLK, TAMPER0–TAMPER3 | Real-time clock & tamper inputs | Hardware-monitored tamper detection triggers immediate memory wipe and system lockout upon intrusion |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet PHY | Reduces bill-of-materials by eliminating external PHY IC and associated magnetics control circuitry |
| Dual USB Interfaces | Supports concurrent USB device (e.g., CDC ACM) and OTG (e.g., mass storage host) operation without software arbitration |
| Hardware Crypto Engines | Accelerates TLS 1.2 handshake and firmware signature verification in <10 ms, freeing CPU for application logic |
| Hibernate Module with Tamper | Enables secure, ultra-low-power sleep states with cryptographic key erasure on physical intrusion detection |
| External Peripheral Interface (EPI) | Direct SDRAM/NAND/SRAM interfacing at up to 60 MHz - replaces external FPGA or ASIC for memory expansion |
Applications
| Industrial Gateway | Smart Energy Meter |
|---|---|
Use Scenario: Edge gateway aggregating Modbus RTU, CAN, and RS-485 field devices into MQTT over Ethernet/Wi-Fi. IC Role / Device Role / Timing Role: Central protocol translator and secure TLS endpoint with deterministic packet timing via IEEE 1588 hardware timestamping. Use Value: Eliminates need for external Ethernet PHY and crypto co-processor, reducing PCB area by 35% and BOM cost by $2.10/unit. | Use Scenario: Revenue-grade electricity meter with anti-tampering, remote firmware update, and time-of-use tariff logging. IC Role / Device Role / Timing Role: Secure metering controller with hibernation-mode RTC, tamper-triggered memory wipe, and AES-encrypted firmware validation. Use Value: Meets IEC 62056-21 and ANSI C12.22 security requirements using on-chip crypto accelerators and tamper-detect pins. |
| Programmable Logic Controller (PLC) | Building Automation Controller |
Use Scenario: Compact PLC executing ladder logic and motion control algorithms while communicating via EtherNet/IP. IC Role / Device Role / Timing Role: Real-time deterministic controller with 120 MHz Cortex-M4F core, μDMA-driven I/O scanning, and hardware-accelerated CRC for cyclic redundancy checks. Use Value: Achieves 50 µs I/O scan cycle time with 16-bit analog input sampling at 1 MSPS using integrated ADC and DMA. | Use Scenario: HVAC controller managing zone dampers, chillers, and occupancy sensors with BACnet/IP over Ethernet. IC Role / Device Role / Timing Role: Networked environmental controller with integrated Ethernet PHY, BACnet stack, and secure OTA update capability. Use Value: Reduces design cycle time by 8 weeks through TI's BACnet-certified TivaWare middleware and reference firmware. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32H743VIT6 | ARM Cortex-M7 @ 480 MHz, no integrated Ethernet PHY, requires external PHY; larger Flash (2 MB) but no hibernate RTC/tamper | Better raw compute for vision/AI edge inference; lacks built-in Ethernet PHY and secure hibernation features | Select when higher CPU throughput is critical and external PHY is acceptable |
| RA6M5L20FBC0 | Renesas RA6M5 core @ 200 MHz, integrated Ethernet MAC only (no PHY), no hardware DES/MD5 acceleration | Strong functional safety (IEC 61508 SIL3), lower power in active mode; missing tamper detection and hibernate memory | Select for safety-critical industrial control where certification evidence is required |
Compared with STM32H743VIT6 and RA6M5L20FBC0, TM4C129ENCZADT3 uniquely combines integrated Ethernet PHY, tamper-aware hibernation, and full crypto suite in a single LQFP package-reducing system-level complexity for secure, connected industrial controllers without compromising on real-time determinism.
Availability
TM4C129ENCZADT3 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, programmable logic controllers, and building automation controllers requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for TM4C129ENCZADT3 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 for industrial, automotive, and consumer markets since 1930.
The TM4C129ENCZADT3 belongs to the Tiva™ C Series microcontroller family, designed specifically for highly integrated, connectivity-rich industrial control applications requiring Ethernet, USB, crypto, and ultra-low-power hibernation in a single chip.
FAQ
What is the maximum operating frequency of the TM4C129ENCZADT3?
The TM4C129ENCZADT3 operates at a maximum system clock frequency of 120 MHz, derived from its internal PLL with support for multiple clock sources including external crystals, internal oscillators, and USB SOF clock. This frequency enables deterministic execution of real-time control loops and high-throughput data handling in applications such as industrial gateways and PLCs. The TM4C129ENCZADT3 maintains full peripheral functionality-including Ethernet, USB, and crypto acceleration-at this rated speed.
Does the TM4C129ENCZADT3 include an integrated Ethernet PHY?
Yes, the TM4C129ENCZADT3 integrates a full 10/100 Ethernet PHY compliant with IEEE 802.3, eliminating the need for an external PHY IC. It supports both MII and RMII interfaces, with RMII reducing pin count and board space. The TM4C129ENCZADT3 also includes hardware timestamping for IEEE 1588 precision time protocol, making it suitable for time-sensitive industrial networking applications without additional components.
What crypto algorithms are accelerated in hardware by the TM4C129ENCZADT3?
The TM4C129ENCZADT3 includes dedicated hardware accelerators for AES-128/256 (ECB/CBC/CTR/GCM), DES/3DES, SHA-1/SHA-256, and MD5. These engines operate independently of the CPU and support DMA-based data streaming, enabling efficient TLS 1.2 handshakes and firmware signature verification. The TM4C129ENCZADT3 uses these accelerators to offload cryptographic operations while maintaining real-time responsiveness in secure IoT and industrial control applications.
What is the hibernation current consumption of the TM4C129ENCZADT3?
The TM4C129ENCZADT3 achieves a typical hibernation current of less than 5 µA when configured with RTC enabled and battery-backed memory retained. This ultra-low-power state preserves timekeeping, tamper status, and 2 KB of hibernate RAM while disabling all other logic. The TM4C129ENCZADT3 supports wake-up via RTC alarm, external GPIO, or tamper event-making it ideal for battery-powered remote monitoring nodes with multi-year operational life.
Is the TM4C129ENCZADT3 pin-compatible with other Tiva C Series microcontrollers?
No, the TM4C129ENCZADT3 is not pin-compatible with earlier Tiva C Series devices such as TM4C123x or TM4C129x variants in different packages (e.g., BGA). Its 128-pin LQFP footprint and specific peripheral pin mappings-including dedicated Ethernet MII/RMII and USB OTG signals-are unique to the TM4C129EN family. Migration requires PCB redesign, though software compatibility is maintained via TivaWare™ C Series driver libraries and CMSIS-compliant HAL APIs.
TM4C129ENCZADT3 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TM4C129ENCZADT3 FAQ
1.How can I place an order for TM4C129ENCZADT3 through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C129ENCZADT3 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 TM4C129ENCZADT3 reliable?
The price and inventory of TM4C129ENCZADT3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C129ENCZADT3 is usually 5 days.
3.What payment methods are accepted for TM4C129ENCZADT3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C129ENCZADT3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C129ENCZADT3?
TM4C129ENCZADT3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C129ENCZADT3 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 TM4C129ENCZADT3?
For technical support, including TM4C129ENCZADT3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C129ENCZADT3 requirements.
6.How does Aetrix verify that TM4C129ENCZADT3 is sourced from the original manufacturer or authorized distributors?
All TM4C129ENCZADT3 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 TM4C129ENCZADT3 meets industry standards.
7.What is the process for return or replacement of TM4C129ENCZADT3?
All TM4C129ENCZADT3 units undergo pre-shipment inspection (PSI). If there is an issue with TM4C129ENCZADT3, 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 TM4C129ENCZADT3 part is unused and in its original packaging.
Return procedure for TM4C129ENCZADT3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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