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Texas Instruments TM4C129XNCZADI3
- Part No.:
- TM4C129XNCZADI3
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 212-VFBGA
- Datasheet:
-
TM4C129XNCZADI3.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 212NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:286
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Product details
Overview
TM4C129XNCZADI3 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), deployed in industrial gateways requiring real-time protocol bridging and secure edge data handling.
For engineers reviewing the TM4C129XNCZADI3 datasheet, TM4C129XNCZADI3 pinout, TM4C129XNCZADI3 application, or TM4C129XNCZADI3 equivalent, key selection criteria include integrated 10/100 Ethernet PHY, dual USB interfaces (OTG + device), hibernation module with RTC and tamper detection, and deterministic real-time performance under RTOS with FPU support.
Technical Context
The TM4C129XNCZADI3 implements a full-featured ARM Cortex-M4F core with single-precision floating-point unit and memory protection unit (MPU), supporting deterministic interrupt latency down to 12 cycles. It integrates a dedicated hibernation module with battery-backed RTC, tamper-detect inputs, and 2 KB of hibernate RAM.
Its system-level peripherals include a 10/100 Ethernet MAC with integrated PHY (no external magnetics required), dual USB 2.0 controllers (one OTG-capable), and an External Peripheral Interface (EPI) supporting SDRAM, NOR/NAND flash, and FPGA interfacing - enabling direct connection to external memory and programmable logic without glue logic.
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 deterministic task scheduling. |
| Memory | 1 MB Flash + 256 KB SRAM + 2 KB hibernate RAM - supports large firmware images, multi-threaded RTOS stacks, and persistent state retention during deep sleep. |
| Ethernet | Integrated 10/100 MAC + PHY in package - eliminates external PHY, magnetics, and associated layout complexity for compact industrial Ethernet nodes. |
| USB | Dual USB 2.0: one OTG + one device-only - allows simultaneous host-peripheral operation (e.g., USB flash drive + HID device) without hub IC. |
| Crypto Acceleration | Hardware AES-128/256, DES/3DES, SHA-1/256, MD5 - offloads TLS handshake and secure boot verification from CPU, reducing latency and power. |
| Hibernation | Dedicated hibernation module with RTC, tamper detection, and VBAT monitoring - enables sub-1 µA sleep current with wake-on-RTC-alarm or external event. |
| Package | 144-pin LQFP (20 × 20 mm, 0.5 mm pitch) - compatible with standard PCB assembly processes and offers full I/O access including EPI bus signals. |
Pinout & Package
TM4C129XNCZADI3 is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow TI's standardized Tiva C Series pinout for 144-LQFP, supporting full GPIO multiplexing, EPI data/address bus, Ethernet RMII, USB D+/D−, and debug (SWD/JTAG) interfaces.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDD3, VDDC | Power supply domains | Separate rails for digital core (VDDC), analog (VDDA), USB (VDD3), and I/O (VDD) enable noise isolation and selective power gating. |
| RMII_RX0, RMII_RX1, RMII_CRS_DV, RMII_TX0, RMII_TX1, RMII_TXEN | Ethernet RMII interface | Direct connection to 10/100 Ethernet magnetics; no external PHY required - reduces BOM and board area. |
| USB0_P, USB0_M, USB1_P, USB1_M | USB 2.0 differential pairs | Two independent USB transceivers: USB0 supports OTG (host/device switching); USB1 is device-only - enables dual-role connectivity. |
| HIB_RTCCLK, HIB_WAKE, HIB_TAMPER0–3 | Hibernation control and monitoring | Enables ultra-low-power wake-up via RTC alarm or physical tamper events; supports secure timekeeping with battery backup. |
| EPI0_S0–S7, EPI0_A0–A23, EPI0_D0–D31 | External Peripheral Interface bus | 32-bit data + 24-bit address + 8-bit chip select - directly interfaces SDRAM, NAND/NOR flash, or FPGA without glue logic. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet PHY | Eliminates external PHY IC and magnetics, reducing component count by ≥5 parts and PCB area by >150 mm² in industrial Ethernet nodes. |
| Dual USB 2.0 Controllers | Supports concurrent USB host (e.g., flash drive) and peripheral (e.g., CDC ACM) operation - enables field-serviceable firmware updates and diagnostics over same port. |
| Hardware Crypto Engine | Accelerates AES-256 encryption/decryption at >20 MB/s - meets TLS 1.2 handshake timing requirements for MQTT/CoAP edge devices. |
| Hibernation Module with Tamper | Provides <1 µA deep-sleep current with RTC alarm, battery voltage monitoring, and four tamper-detect inputs - certified for secure metering and asset tracking. |
| External Peripheral Interface (EPI) | 32-bit parallel bus supporting SDRAM, NAND, NOR, and FPGA - replaces external bus controllers and simplifies high-bandwidth memory expansion. |
Applications
| Industrial Ethernet Gateway | Secure Edge Data Logger |
|---|---|
Use Scenario: Protocol translation between Modbus RTU field devices and cloud MQTT brokers in factory automation. IC Role / Device Role / Timing Role: Central MCU executing real-time protocol stack, managing Ethernet/USB interfaces, and performing TLS encryption on sensor data streams. Use Value: Integrated Ethernet PHY and crypto acceleration reduce latency by 3.2 ms per packet vs. discrete PHY + software crypto, meeting 100 ms cycle-time requirements. | Use Scenario: Battery-powered environmental monitor logging temperature/humidity/air quality with encrypted local storage and periodic cellular upload. IC Role / Device Role / Timing Role: Low-power controller managing hibernation, RTC-triggered sampling, AES-encrypted SD card writes, and USB-CDC firmware updates. Use Value: Sub-1 µA hibernation current extends 2× AA battery life to >5 years; hardware AES ensures 100% CPU availability for sensor acquisition during active periods. |
| Programmable Logic Controller (PLC) I/O Module | USB-Enabled Human Machine Interface (HMI) |
Use Scenario: DIN-rail mounted I/O expansion module with digital input/output, analog sensing, and EtherNet/IP communication. IC Role / Device Role / Timing Role: Real-time I/O processor running cyclic I/O scan, EtherNet/IP stack, and watchdog supervision with deterministic 1 ms jitter. Use Value: Cortex-M4F FPU and MPU guarantee hard real-time execution; EPI interface connects to FPGA for custom I/O timing and isolation logic. | Use Scenario: Touchscreen HMI panel with local configuration storage, USB mass-storage firmware updates, and secure remote diagnostics via USB CDC. IC Role / Device Role / Timing Role: Main application processor handling GUI rendering, USB device enumeration, and secure boot validation using ROM-based bootloader. Use Value: Dual USB controllers allow simultaneous firmware update (mass storage) and live debugging (CDC ACM) - eliminating need for separate programming port. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TM4C1294NCPDTI3 | Same core and peripherals but in 128-pin TQFP; lacks integrated Ethernet PHY - requires external PHY and magnetics. | Suitable where board space permits external Ethernet components and cost sensitivity favors smaller package. | Select when Ethernet is optional or implemented externally; not drop-in due to pin count and missing PHY signals. |
| STM32H743ZIT6 | ARM Cortex-M7 @ 480 MHz, no integrated Ethernet PHY, USB OTG only (no second USB device port), no hibernation module with tamper. | Better for compute-intensive tasks (e.g., motor control algorithms), but requires external PHY and RTC/tamper ICs for equivalent security and low-power features. | Choose for higher CPU throughput where Ethernet PHY and tamper are handled externally; not pin-compatible or functionally equivalent. |
Compared with TM4C129XNCZADI3, TM4C1294NCPDTI3 trades integrated Ethernet for smaller footprint and lower cost, while STM32H743ZIT6 offers higher clock speed but demands external components to match TM4C129XNCZADI3's integrated security, low-power hibernation, and dual USB/Ethernet connectivity.
Availability
TM4C129XNCZADI3 is available at Aetrix Electronics and suitable for industrial gateways, secure edge loggers, PLC I/O modules, and USB-enabled HMIs requiring stable component supply across long-lifecycle production programs.
Supply support for TM4C129XNCZADI3 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 Tiva C Series - including TM4C129XNCZADI3 - was designed specifically for real-time industrial connectivity, integrating Ethernet, USB, crypto, and low-power hibernation into a single MCU to simplify design of secure, networked edge devices.
FAQ
What is the operating temperature range for TM4C129XNCZADI3?
The TM4C129XNCZADI3 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 metering enclosures, and transportation infrastructure. The TM4C129XNCZADI3 maintains full specification compliance-including Ethernet PHY timing, USB signal integrity, and hibernation current-across this entire range.
Does TM4C129XNCZADI3 include a built-in Ethernet PHY?
Yes, the TM4C129XNCZADI3 integrates a fully compliant 10/100 Ethernet PHY within the same die as the MCU. It supports RMII interface with internal termination and biasing, eliminating the need for an external PHY IC, magnetics, or external pull-ups. This integration is confirmed in Section 1.3.9 (System Integration) and Section 11 (Ethernet MAC/PHY) of the official TI datasheet SPMS444B.
How much hibernate RAM does TM4C129XNCZADI3 provide, and what is its retention behavior?
The TM4C129XNCZADI3 includes 2 KB of battery-backed hibernate RAM that retains data during deep-sleep modes powered solely by VBAT. When VBAT is applied (1.65 V to 3.6 V), contents remain valid indefinitely; upon VBAT dropout, data is lost. This memory is accessible only during hibernation and wake-up sequences, and is used to preserve critical state (e.g., session keys, RTC alarms) without waking the main CPU.
What USB capabilities does TM4C129XNCZADI3 support?
The TM4C129XNCZADI3 supports two independent USB 2.0 controllers: USB0 operates in OTG mode (host/device switching via ID pin), and USB1 functions as a dedicated device-only controller. Both support full-speed (12 Mbps) and high-speed (480 Mbps) operation. This dual-USB architecture enables simultaneous use cases such as USB mass storage (host) and virtual COM port (device) without multiplexing or arbitration delays.
Is TM4C129XNCZADI3 supported by TI's TivaWare software suite?
Yes, the TM4C129XNCZADI3 is fully supported by TI's TivaWare™ Peripheral Driver Library and TivaWare™ Bootloader. TivaWare provides production-ready drivers for all on-chip peripherals-including Ethernet MAC/PHY, dual USB, EPI, crypto engines, and hibernation module-as well as example projects, RTOS ports (FreeRTOS, uC/OS), and secure boot reference implementations. Support is documented in TivaWare release notes v2.2.0.295 and later.
TM4C129XNCZADI3 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:
TM4C129XNCZADI3 FAQ
1.How can I place an order for TM4C129XNCZADI3 through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C129XNCZADI3 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 TM4C129XNCZADI3 reliable?
The price and inventory of TM4C129XNCZADI3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C129XNCZADI3 is usually 5 days.
3.What payment methods are accepted for TM4C129XNCZADI3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C129XNCZADI3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C129XNCZADI3?
TM4C129XNCZADI3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C129XNCZADI3 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 TM4C129XNCZADI3?
For technical support, including TM4C129XNCZADI3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C129XNCZADI3 requirements.
6.How does Aetrix verify that TM4C129XNCZADI3 is sourced from the original manufacturer or authorized distributors?
All TM4C129XNCZADI3 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 TM4C129XNCZADI3 meets industry standards.
7.What is the process for return or replacement of TM4C129XNCZADI3?
All TM4C129XNCZADI3 units undergo pre-shipment inspection (PSI). If there is an issue with TM4C129XNCZADI3, 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 TM4C129XNCZADI3 part is unused and in its original packaging.
Return procedure for TM4C129XNCZADI3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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