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Texas Instruments TM4C129ENCPDTI3
- Part No.:
- TM4C129ENCPDTI3
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 128-TQFP
- Datasheet:
-
TM4C129ENCPDTI3.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 128TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:491
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Product details
Overview
TM4C129ENCPDTI3 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 TM4C129ENCPDTI3 datasheet, TM4C129ENCPDTI3 pinout, TM4C129ENCPDTI3 application, or TM4C129ENCPDTI3 equivalent, key selection criteria include its integrated 10/100 Ethernet PHY, dual USB interfaces (host/device/OTG), on-chip hibernation module with RTC and tamper detection, and support for TivaWare™ C Series software stack.
Technical Context
The TM4C129ENCPDTI3 implements a full-featured ARM Cortex-M4F core with single-precision FPU and memory protection unit (MPU), enabling deterministic floating-point computation and secure task isolation. Its system-level integration includes a dedicated hibernation module with battery-backed RAM, real-time clock, and tamper-detection circuitry - all operating independently of main power rails.
Peripheral subsystems feature a 32-channel μDMA controller supporting scatter-gather transfers, an External Peripheral Interface (EPI) capable of SDRAM/Host Bus/General-Purpose modes, and dual USB controllers (one with integrated PHY). The device supports JTAG and SWD debug interfaces with trace port capability via TPIU.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 120 MHz with FPU and MPU - enables real-time signal processing and secure multitasking. |
| Memory | 1 MB Flash + 256 KB SRAM + 6 KB EEPROM - sufficient for complex protocol stacks and field-upgradable firmware. |
| Ethernet | Integrated 10/100 MAC + PHY (RMII/MII) - eliminates external PHY component and reduces BOM cost and layout complexity. |
| USB | Dual USB 2.0 controllers: one OTG with integrated PHY, one device-only - supports simultaneous host/peripheral roles without external transceivers. |
| Crypto Acceleration | Dedicated AES-128/256, DES/3DES, SHA-1/224/256, MD5 engines - offloads encryption from CPU for TLS/HTTPS and secure boot operations. |
| Hibernation | On-chip hibernation module with RTC, tamper detection, and 2 KB battery-backed SRAM - maintains timekeeping and critical state during main power loss. |
| Package | 128-pin LQFP (14 × 14 mm, 0.4 mm pitch) - compatible with standard reflow processes and accessible for manual prototyping. |
Pinout & Package
TM4C129ENCPDTI3 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 | Main, analog, and core supply rails | Three independent 3.3 V supplies enable noise isolation between digital logic, ADC, and CPU domains. |
| GND, GNDA, GNDC | Analog/digital/core ground returns | Separate ground planes reduce coupling between high-speed digital switching and precision analog circuits. |
| ETH0_RXD0–ETH0_RXD3 | Ethernet receive data lines (RMII/MII) | Direct connection to transformer interface without level-shifting; supports both RMII (2-bit) and MII (4-bit) modes. |
| USB0_VBUS, USB0_ID, USB0_DM/DP | USB OTG interface signals | Integrated PHY eliminates need for external transceiver; ID pin enables automatic host/peripheral role detection. |
| HIB_RTCCLK, HIB_WAKE, HIB_TAMPER | Hibernation module timing and control | Enable autonomous wake-up from deep sleep using RTC alarm or external tamper event, independent of main power domain. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet PHY | Reduces bill-of-materials by eliminating external PHY IC and associated magnetics; supports IEEE 802.3u compliance out-of-box. |
| Dual USB Controllers | Enables concurrent USB device (e.g., CDC ACM) and USB host (e.g., HID keyboard/mass storage) operation without resource contention. |
| Hardware Crypto Engines | Accelerates TLS handshake and firmware signature verification in <5 ms per 1 KB block - critical for OTA update latency budgets. |
| Hibernation Module | Retains RTC time, tamper status, and 2 KB SRAM state at <1.5 µA typical current - extends battery life in always-on edge nodes. |
| μDMA with Scatter-Gather | Supports zero-CPU-overhead transfers between peripherals and memory-mapped buffers - essential for sustained Ethernet/USB throughput. |
Applications
| Industrial Gateway | Secure Edge Node |
|---|---|
Use Scenario: Aggregating Modbus TCP, CANopen, and MQTT traffic from factory-floor sensors into cloud-connected infrastructure. IC Role / Device Role / Timing Role: Primary application processor and protocol gateway with deterministic Ethernet/USB I/O scheduling. Use Value: Integrated Ethernet PHY and dual USB eliminate external PHY/transceiver components, reducing PCB area by ≥25% and BOM cost by $1.80/unit. | Use Scenario: Battery-powered remote monitoring node performing periodic sensor reads, encrypted data logging, and scheduled TLS uploads. IC Role / Device Role / Timing Role: Low-power host MCU managing hibernation cycles, crypto-accelerated signing, and RTC-triggered wake-ups. Use Value: On-chip hibernation module with tamper detection and 2 KB battery-backed SRAM enables >5-year battery life while preserving security state. |
| Programmable Logic Controller (PLC) | Human-Machine Interface (HMI) |
Use Scenario: Compact DIN-rail PLC executing ladder logic with real-time I/O scanning and EtherNet/IP communication. IC Role / Device Role / Timing Role: Deterministic real-time controller with μDMA-managed Ethernet packet handling and hardware CRC validation. Use Value: Hardware CRC engine validates EtherNet/IP frame integrity in-line with DMA transfers - no CPU cycle penalty for error checking. | Use Scenario: Touch-enabled panel PC running embedded GUI with local data caching and remote firmware updates via USB or Ethernet. IC Role / Device Role / Timing Role: Application host with integrated graphics-ready peripherals (EPI for parallel LCD interface) and secure update path. Use Value: EPI supports 16-bit general-purpose mode for direct connection to RGB TFT displays - avoids FPGA or bridge IC in display subsystem. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TM4C1294NCPDT | No integrated Ethernet PHY; requires external PHY IC and magnetics. | Suitable where Ethernet is optional or implemented via external switch; lower base cost but higher system-level BOM and layout complexity. | Select when Ethernet is not required or when design flexibility justifies added component count and routing effort. |
| STM32F767ZIT6 | ARM Cortex-M7 @ 216 MHz; no integrated Ethernet PHY; USB HS with ULPI interface only. | Better raw CPU performance and DSP capability; lacks hibernation module and tamper detection - less suited for battery-backed security-critical nodes. | Select for compute-intensive applications like motor control or audio processing where cryptographic acceleration is handled externally or via software. |
Compared with TM4C1294NCPDT and STM32F767ZIT6, the TM4C129ENCPDTI3 uniquely integrates Ethernet PHY, hibernation with tamper, and multi-algorithm crypto engines - making it optimal for cost-sensitive, security-aware, always-connected edge devices where system-level integration reduces design risk and time-to-market.
Availability
TM4C129ENCPDTI3 is available at Aetrix Electronics and suitable for industrial gateways, secure edge nodes, programmable logic controllers, human-machine interfaces, and battery-backed IoT endpoints requiring stable component supply and long-term manufacturability.
Supply support for TM4C129ENCPDTI3 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 applications since 1930.
The TM4C129ENCPDTI3 belongs to TI's Tiva™ C Series microcontroller family, designed specifically for connected, real-time embedded systems requiring integrated communications, security, and low-power operation - especially in industrial automation and smart infrastructure.
FAQ
What is the maximum operating frequency of the TM4C129ENCPDTI3?
The TM4C129ENCPDTI3 operates at a maximum CPU frequency of 120 MHz. This speed is achievable under specified voltage (3.3 V) and temperature (–40°C to +105°C) conditions per the official Texas Instruments production datasheet. The device uses an internal PLL to derive this clock from an external crystal or oscillator source, and the frequency is fully supported across its industrial temperature range. All peripherals-including Ethernet, USB, and crypto accelerators-are rated for concurrent operation at this speed.
Does the TM4C129ENCPDTI3 include an integrated Ethernet physical layer (PHY)?
Yes, the TM4C129ENCPDTI3 integrates a full IEEE 802.3-compliant 10/100 Ethernet PHY alongside its MAC, supporting both MII and RMII interfaces. This eliminates the need for an external PHY IC, associated magnetics, and level-shifting circuitry. The PHY is accessible via dedicated pins (ETH0_RXD0–ETH0_RXD3, ETH0_TXD0–ETH0_TXD3, ETH0_CRS_DV, ETH0_RX_ER, ETH0_TX_EN) and is fully managed by TI's TivaWare™ driver library.
What crypto algorithms does the TM4C129ENCPDTI3 hardware accelerate?
The TM4C129ENCPDTI3 includes dedicated hardware accelerators for AES-128/256 (ECB/CBC/CTR/GCM), DES/3DES (ECB/CBC), SHA-1/224/256, and MD5. These engines operate independently of the CPU core and support DMA-driven data streaming. They are validated for use in secure boot, TLS offload, and firmware signature verification - all documented in TI's SPMS441B datasheet and the TivaWare Cryptographic Library user guide.
Is the TM4C129ENCPDTI3 pin-compatible with other Tiva C Series microcontrollers?
No, the TM4C129ENCPDTI3 is not pin-compatible with earlier Tiva C Series devices such as the TM4C123 or TM4C129x variants without integrated PHY. Its 128-pin LQFP package includes unique signal allocations for the integrated Ethernet PHY, dual USB PHYs, and hibernation module. Pin mappings differ significantly from TM4C1294NCPDT (same package but no PHY), and migration requires PCB redesign and firmware adaptation.
What development tools and software support are available for the TM4C129ENCPDTI3?
Texas Instruments provides full support for the TM4C129ENCPDTI3 through TivaWare™ C Series software, including peripheral drivers, USB stack, Ethernet stack (with lwIP), and cryptographic libraries. Development is enabled via TI's Code Composer Studio IDE, IAR Embedded Workbench, and GCC-based toolchains. Evaluation is supported by the EK-TM4C1294XL LaunchPad and TM4C129XNCZAD development kits - both featuring on-board XDS110 debug probe and direct access to all TM4C129ENCPDTI3 signals.
TM4C129ENCPDTI3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 128-TQFP
- 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:
- 90
- 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 20x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TM4C129ENCPDTI3 FAQ
1.How can I place an order for TM4C129ENCPDTI3 through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C129ENCPDTI3 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 TM4C129ENCPDTI3 reliable?
The price and inventory of TM4C129ENCPDTI3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C129ENCPDTI3 is usually 5 days.
3.What payment methods are accepted for TM4C129ENCPDTI3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C129ENCPDTI3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C129ENCPDTI3?
TM4C129ENCPDTI3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C129ENCPDTI3 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 TM4C129ENCPDTI3?
For technical support, including TM4C129ENCPDTI3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C129ENCPDTI3 requirements.
6.How does Aetrix verify that TM4C129ENCPDTI3 is sourced from the original manufacturer or authorized distributors?
All TM4C129ENCPDTI3 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 TM4C129ENCPDTI3 meets industry standards.
7.What is the process for return or replacement of TM4C129ENCPDTI3?
All TM4C129ENCPDTI3 units undergo pre-shipment inspection (PSI). If there is an issue with TM4C129ENCPDTI3, 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 TM4C129ENCPDTI3 part is unused and in its original packaging.
Return procedure for TM4C129ENCPDTI3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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