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Texas Instruments XM4C129ENCZADI1
- Part No.:
- XM4C129ENCZADI1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 212-VFBGA
- Datasheet:
-
XM4C129ENCZADI1.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 212NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,172
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Product details
Overview
XM4C129ENCZADI1 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 XM4C129ENCZADI1 datasheet, XM4C129ENCZADI1 pinout, XM4C129ENCZADI1 application, or XM4C129ENCZADI1 equivalent, key selection criteria include its integrated 10/100 Ethernet PHY, dual USB interfaces (OTG + device), hibernation module with RTC and tamper detection, and support for TivaWare™ software stack in safety-aware embedded systems.
Technical Context
The XM4C129ENCZADI1 implements a full-featured ARM Cortex-M4F core with single-precision floating-point unit and memory protection unit (MPU), enabling deterministic real-time execution and secure partitioning of firmware tasks. It integrates a dedicated hibernation module with battery-backed RTC, tamper-detection inputs, and 2 KB of hibernate RAM - supporting ultra-low-power wake-on-event operation down to 1.7 µA.
Its system-level peripherals include a 32-channel μDMA controller, external peripheral interface (EPI) supporting SDRAM/host bus modes, and cryptographic acceleration engines that offload AES-128/256, DES/3DES, and SHA-1/MD5 operations - reducing CPU load during TLS handshake or firmware signature verification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 120 MHz with FPU and MPU - enables floating-point math for motor control and secure task isolation. |
| Memory | 1 MB Flash + 256 KB SRAM + 2 KB hibernate RAM - supports large protocol stacks (TCP/IP, USB, TLS) and retained state across deep sleep. |
| Ethernet | Integrated 10/100 MAC + PHY - eliminates external PHY IC and reduces BOM cost and board space in networked edge devices. |
| USB | USB 2.0 OTG + USB Device - allows simultaneous host/peripheral operation (e.g., USB flash drive + HID keyboard on same port). |
| Crypto Acceleration | Dedicated AES-128/256, DES/3DES, SHA-1/MD5 engines - accelerates encryption/decryption by >10× vs. software-only, critical for OTA update integrity. |
| Hibernation | RTC + tamper detection + VBAT backup - maintains timekeeping and detects physical intrusion during power-off, required for industrial security logging. |
| Package | 144-pin LQFP (20 × 20 mm, 0.5 mm pitch) - compatible with standard reflow processes and accessible for manual prototyping. |
Pinout & Package
XM4C129ENCZADI1 is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments are defined per TI SPMS442B datasheet Section 1.3.13 and validated for industrial temperature range (–40°C to +105°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDIO | Power supply inputs | Separate domains for digital core (VDD), analog (VDDA), and I/O (VDDIO) enable noise isolation and flexible voltage scaling. |
| ETH0_RX+, ETH0_RX−, ETH0_TX+, ETH0_TX− | Ethernet differential pairs | Direct connection to magnetics; integrated PHY eliminates need for external transceiver and associated layout complexity. |
| USB0_DP, USB0_DM, USB0_ID, USB0_VBUS | USB 2.0 OTG interface | Full OTG signaling including ID detection and VBUS sensing - supports role switching without external switches. |
| HIB_RTCCLK, HIB_TAMPER0–3 | Hibernation module signals | RTC clock input and four independent tamper-detection inputs - enable secure timekeeping and physical breach monitoring during power-off. |
| EPI0_S0–EPI0_S15 | External Peripheral Interface bus | 16-bit parallel data bus supporting SDRAM, NOR/NAND flash, and FPGA interfacing - replaces discrete glue logic in legacy designs. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet PHY | Reduces component count by one IC and eliminates external magnetics compensation tuning in industrial Ethernet nodes. |
| Dual USB 2.0 Interfaces | Enables concurrent USB host (e.g., for firmware update via flash drive) and device (e.g., for PC debugging) operation without multiplexing. |
| Hardware Crypto Engines | Offloads AES/SHA/MD5 from CPU, cutting TLS handshake latency by ~70% and freeing >30% CPU bandwidth for application logic. |
| Hibernation Module with Tamper | Supports secure, low-power (<2 µA) retention mode with tamper-triggered erase - meets IEC 62443-3-3 SL2 requirements for industrial controllers. |
| μDMA with 32 Channels | Enables zero-CPU-overhead transfers between peripherals (e.g., ADC → SRAM → Ethernet) - essential for deterministic sensor-to-cloud pipelines. |
Applications
| Industrial Gateway | Smart Energy Meter |
|---|---|
Use Scenario: Aggregating Modbus RTU sensors over RS-485 and forwarding data via Ethernet/WiFi to cloud SCADA. IC Role / Device Role / Timing Role: Central protocol translator and secure edge node with TLS 1.2 termination and firmware validation. Use Value: Integrated Ethernet PHY and crypto accelerators eliminate two external ICs while maintaining sub-100ms end-to-end latency under 80% CPU load. | Use Scenario: ANSI C12.19-compliant meter with remote firmware updates, time-of-use billing, and tamper event logging. IC Role / Device Role / Timing Role: Secure metering SoC with hibernation-mode RTC and tamper-detection inputs tied to enclosure switches. Use Value: Battery-backed hibernate RAM retains metering registers and tamper timestamps for >10 years; tamper inputs trigger immediate secure erase of keys. |
| Programmable Logic Controller (PLC) | Medical Infusion Pump Controller |
Use Scenario: Compact PLC with EtherCAT slave capability, analog I/O expansion, and web-based HMI. IC Role / Device Role / Timing Role: Real-time motion controller with deterministic 1 ms cycle time and integrated web server for configuration. Use Value: Cortex-M4F FPU executes PID loops with <1 µs jitter; μDMA handles EtherCAT frame buffering without CPU intervention. | Use Scenario: FDA Class II infusion pump requiring secure boot, runtime integrity checks, and battery-fail-safe operation. IC Role / Device Role / Timing Role: Safety-critical controller with dual-lockstep watchdog, hibernation-mode battery backup, and encrypted EEPROM for calibration data. Use Value: Hardware AES engine validates signed firmware images at boot; hibernation module preserves pump state during AC power loss for seamless resume. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XM4C1294NCPDTI1 | Same core and memory, but 128-pin TQFP; lacks integrated Ethernet PHY (requires external PHY); includes CAN FD controller. | Better suited for CAN-based vehicle diagnostics or factory automation where Ethernet is not required. | Select when CAN FD communication is mandatory and Ethernet PHY integration is unnecessary. |
| STM32H743VIT6 | ARM Cortex-M7 @ 480 MHz, 2 MB Flash, no integrated Ethernet PHY, no hibernation tamper detection, different crypto IP (AES-GCM only). | Preferred for high-throughput signal processing (e.g., motor control FFTs) but requires external PHY and separate tamper IC. | Choose for compute-intensive applications needing higher clock speed and no industrial tamper/security requirements. |
Compared with XM4C129ENCZADI1, XM4C1294NCPDTI1 trades Ethernet PHY integration for CAN FD and smaller footprint, while STM32H743VIT6 offers higher CPU performance but increases BOM complexity and security certification effort due to missing hibernation tamper and integrated PHY.
Availability
XM4C129ENCZADI1 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, programmable logic controllers, and medical infusion pump controllers requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade packaging.
Supply support for XM4C129ENCZADI1 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 TM4C129 family - including XM4C129ENCZADI1 - was designed specifically for industrial IoT edge nodes requiring integrated connectivity, hardware security, and deterministic real-time performance in harsh environments.
FAQ
What is the operating temperature range for XM4C129ENCZADI1?
The XM4C129ENCZADI1 is rated for industrial temperature operation from –40°C to +105°C, verified per TI SPMS442B production data. This range ensures reliable performance in enclosed control cabinets, outdoor metering enclosures, and factory-floor PLCs without forced cooling. The XM4C129ENCZADI1's thermal design includes an exposed pad for enhanced heat dissipation under sustained 120 MHz operation.
Does XM4C129ENCZADI1 support secure boot with cryptographic verification?
Yes, XM4C129ENCZADI1 supports hardware-accelerated secure boot using its integrated AES and SHA engines to validate signed firmware images stored in Flash. The ROM bootloader verifies SHA-256 hashes and decrypts encrypted images before execution. This capability is documented in TI's "TivaWare Security Library" user guide and applies directly to XM4C129ENCZADI1's production silicon revision.
Can XM4C129ENCZADI1 operate in hibernation mode while maintaining accurate real-time clock functionality?
Yes, XM4C129ENCZADI1 includes a dedicated hibernation module with battery-backed RTC that operates independently of main power. When powered from VBAT, the RTC maintains time accuracy within ±5 ppm using an external 32.768 kHz crystal, and retains 2 KB of hibernate RAM. This behavior is confirmed in Section 7.3.5 of the SPMS442B datasheet for XM4C129ENCZADI1.
Is the Ethernet PHY in XM4C129ENCZADI1 IEEE 802.3 compliant?
Yes, the integrated Ethernet PHY in XM4C129ENCZADI1 complies with IEEE 802.3-2008 for 10BASE-T and 100BASE-TX operation, including auto-negotiation, MDI/MDIX crossover detection, and full-duplex flow control. TI's official documentation confirms this compliance for XM4C129ENCZADI1 in the "Ethernet Subsystem" chapter of SPMS442B.
What development tools are officially supported for XM4C129ENCZADI1?
TI provides full toolchain support for XM4C129ENCZADI1, including Code Composer Studio v12+, IAR Embedded Workbench for ARM, Keil MDK-ARM, and open-source GCC-based toolchains. TivaWare™ C Series Software Development Kit (v2.2.0.295) delivers peripheral drivers, USB stack, Ethernet MAC/PHY libraries, and hibernation APIs - all validated for XM4C129ENCZADI1 silicon.
XM4C129ENCZADI1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 212-VFBGA
- Series:
- Tiva™ C
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- 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, POR, PWM, QEI, 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:
XM4C129ENCZADI1 FAQ
1.How can I place an order for XM4C129ENCZADI1 through Aetrix?
Please submit a Request for Quotation (RFQ) for XM4C129ENCZADI1 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 XM4C129ENCZADI1 reliable?
The price and inventory of XM4C129ENCZADI1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XM4C129ENCZADI1 is usually 5 days.
3.What payment methods are accepted for XM4C129ENCZADI1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XM4C129ENCZADI1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XM4C129ENCZADI1?
XM4C129ENCZADI1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XM4C129ENCZADI1 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 XM4C129ENCZADI1?
For technical support, including XM4C129ENCZADI1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XM4C129ENCZADI1 requirements.
6.How does Aetrix verify that XM4C129ENCZADI1 is sourced from the original manufacturer or authorized distributors?
All XM4C129ENCZADI1 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 XM4C129ENCZADI1 meets industry standards.
7.What is the process for return or replacement of XM4C129ENCZADI1?
All XM4C129ENCZADI1 units undergo pre-shipment inspection (PSI). If there is an issue with XM4C129ENCZADI1, 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 XM4C129ENCZADI1 part is unused and in its original packaging.
Return procedure for XM4C129ENCZADI1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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