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Texas Instruments TM4C129XKCZADI3
- Part No.:
- TM4C129XKCZADI3
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 212-VFBGA
- Datasheet:
-
TM4C129XKCZADI3.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 212NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,840
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Product details
Overview
TM4C129XKCZADI3 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 TM4C129XKCZADI3 datasheet, TM4C129XKCZADI3 pinout, TM4C129XKCZADI3 application, or TM4C129XKCZADI3 equivalent, key selection criteria include Ethernet PHY integration, on-chip crypto acceleration, hibernation module with RTC and tamper detection, and support for TivaWare™ software stack in safety-aware embedded designs.
Technical Context
The TM4C129XKCZADI3 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. Its system-level integration includes a dedicated hibernation module with battery-backed RAM, RTC, and tamper-detection circuitry for low-power always-on monitoring.
Peripheral subsystems are tightly coupled to the bus matrix: the external peripheral interface (EPI) supports SDRAM, NOR/NAND flash, and FPGA interfacing at up to 60 MHz; the μDMA controller manages 32-channel transfers without CPU intervention; and dual CAN 2.0B controllers operate concurrently with Ethernet and USB stacks.
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 real-time signal processing without external coprocessor. |
| Memory | 1 MB Flash + 256 KB SRAM + 6 KB EEPROM - sufficient for dual-application firmware images and field-upgradeable secure boot loader. |
| Ethernet | Integrated 10/100 Mbps MAC + PHY - eliminates external PHY IC and associated magnetics, reducing BOM cost and board area by ~35%. |
| Crypto Acceleration | Dedicated AES-128/256, DES/3DES, SHA-1/256, MD5 engines - offloads encryption/decryption from CPU, achieving <5 µs AES-128 ECB latency. |
| Hibernation | Battery-backed 2 KB RAM, RTC, tamper detection, VBAT monitoring - maintains timekeeping and state during main power loss with <1.5 µA sleep current. |
| USB | USB 2.0 OTG with integrated PHY - supports device/host/OTG roles without external transceiver; compatible with CDC, HID, and MSC class drivers. |
| Package | 144-pin LQFP (20 × 20 mm, 0.5 mm pitch) - standard surface-mount footprint compatible with automated assembly and thermal vias for industrial temperature operation. |
Pinout & Package
TM4C129XKCZADI3 is housed in a 144-pin LQFP package with exposed thermal pad (EP), rated for –40°C to +105°C operation. Pin assignments follow TI's standardized Tiva C Series pin mapping, supporting multiplexed functions across GPIO banks A–P.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDC | Power supply inputs | Separate analog (VDDA), digital core (VDDC), and I/O (VDD) rails enable noise isolation for ADC and high-speed peripherals. |
| USB0VBUS, USB0ID | USB OTG detection | Hardware-level VBUS sensing and ID pin routing allow automatic role negotiation (host/device) without firmware polling. |
| EMAC0 | Ethernet MAC interface | Dedicated RMII pins (TXD[1:0], RXD[1:0], TXEN, CRS_DV, REFCLK) support direct connection to magnetics or PHY-less layout. |
| HIB | Hibernation control | Hibernate entry/exit, RTC alarm, and tamper interrupt signals routed to dedicated pins for deterministic low-power sequencing. |
| CRYSTAL | System clock source | Supports 1–25 MHz crystal or external clock input; internal PLL generates 120 MHz system clock with ±0.5% accuracy over temperature. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet PHY | Eliminates external PHY IC, magnetics, and associated passives-reducing component count by ≥12 parts and PCB area by >200 mm². |
| Hardware Crypto Engines | AES/DES/SHA/MD5 acceleration enables TLS 1.2 handshake completion in <12 ms, meeting IEC 62443-3-3 SL2 firmware integrity requirements. |
| Hibernation Module | Retains 2 KB RAM, RTC time, and tamper status during main power loss with sub-2 µA quiescent current-enabling battery life >10 years in smart metering. |
| External Peripheral Interface (EPI) | Configurable as SDRAM, NOR/NAND, or general-purpose parallel bus-supports external display buffers, FPGA configuration memory, or legacy industrial I/O expansion. |
| TivaWare™ Software Support | Production-ready driver library, USB stack, Ethernet TCP/IP stack (uIP/DHCP), and CMSIS-RTOS compatibility-reduces firmware bring-up time by ≥40%. |
Applications
| Industrial Gateway | Smart Energy Meter |
|---|---|
Use Scenario: Aggregating Modbus RTU, CAN, and BACnet MS/TP data into MQTT/HTTPS cloud uplinks with local edge logic. IC Role / Device Role / Timing Role: Central protocol translator and secure edge node running dual-core-like task partitioning via MPU regions. Use Value: Integrated Ethernet + crypto + hibernation enables certified secure remote firmware updates and time-synchronized data logging without external security co-processor or RTC chip. | Use Scenario: Revenue-grade electricity meter with anti-tampering, time-of-use billing, and AMI communication via RF or PLC. IC Role / Device Role / Timing Role: Primary metrology host managing ADC sampling, tariff calculation, and secure storage of billing logs with tamper-evident timestamps. Use Value: Battery-backed hibernation RAM preserves billing registers and RTC during power outage; hardware AES encrypts stored consumption data per ANSI C12.22. |
| Motion-Control HMI | Building Automation Controller |
Use Scenario: Panel-mounted HMI for servo drives with real-time trajectory plotting, parameter tuning, and EtherCAT slave emulation. IC Role / Device Role / Timing Role: Real-time UI processor with deterministic interrupt latency (<1 µs) and synchronized PWM generation for auxiliary control outputs. Use Value: Cortex-M4F FPU computes inverse kinematics in <200 µs; EPI interfaces directly to 16-bit parallel LCD controller, eliminating frame buffer SRAM. | Use Scenario: DIN-rail mounted HVAC controller managing VAV boxes, chillers, and lighting via BACnet/IP and KNX. IC Role / Device Role / Timing Role: Networked building controller executing PID loops, schedule management, and fault diagnostics with local web server. Use Value: Integrated Ethernet PHY and uIP stack reduce BoM cost vs. MCU+external PHY solutions; hibernation mode maintains occupancy schedules during brownouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F767ZIT6 | ARM Cortex-M7 @ 216 MHz, no integrated Ethernet PHY, requires external PHY; 2 MB Flash, 512 KB SRAM. | Lacks hibernation module and tamper detection; supports higher compute throughput but adds BOM complexity for Ethernet. | Select when higher CPU performance is critical and external PHY integration is acceptable for cost/space trade-off. |
| RA6M4NBDK0 | Renesas RA6M4 (Cortex-M4F @ 200 MHz), no integrated Ethernet PHY, includes TrustZone, 1 MB Flash, 384 KB SRAM. | No hibernation RTC/tamper; offers Arm TrustZone for secure enclave isolation instead of TI's crypto accelerator set. | Choose for applications prioritizing secure firmware partitioning over hardware-accelerated crypto or low-power hibernation. |
Compared with STM32F767ZIT6 and RA6M4NBDK0, the TM4C129XKCZADI3 uniquely combines integrated Ethernet PHY, hardware crypto acceleration, and battery-backed hibernation in a single 144-pin LQFP package-reducing system-level design effort for industrial edge nodes requiring secure, time-aware connectivity.
Availability
TM4C129XKCZADI3 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, motion-control HMIs, and building automation controllers requiring stable component supply across extended product lifecycles.
Supply support for TM4C129XKCZADI3 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 TM4C129XKCZADI3 belongs to TI's Tiva™ C Series microcontroller family, designed specifically for high-performance, connected industrial applications requiring integrated communications, security, and low-power operation.
FAQ
What is the operating temperature range for the TM4C129XKCZADI3?
The TM4C129XKCZADI3 is rated for industrial temperature operation from –40°C to +105°C. This specification applies to the full functional performance of all integrated peripherals-including Ethernet PHY, USB OTG, and hibernation module-as validated in TI's production test flow per SPMS448B datasheet revision.
Does the TM4C129XKCZADI3 include an integrated Ethernet physical layer (PHY)?
Yes, the TM4C129XKCZADI3 integrates a full 10/100 Mbps Ethernet PHY compliant with IEEE 802.3u, including auto-negotiation, MII/RMII interface, and internal termination. No external PHY IC or magnetics are required for basic Ethernet connectivity, though external magnetics remain necessary for isolation and ESD protection.
What cryptographic algorithms does the TM4C129XKCZADI3 hardware accelerate?
The TM4C129XKCZADI3 includes dedicated hardware accelerators for AES-128/256 (ECB/CBC/CTR modes), DES/3DES, SHA-1/224/256, and MD5. These engines operate independently of the CPU and are accessible via memory-mapped registers, enabling secure boot, encrypted firmware updates, and TLS offload without impacting real-time task scheduling.
How much battery-backed memory is available in hibernation mode on the TM4C129XKCZADI3?
The TM4C129XKCZADI3 provides 2 KB of battery-backed SRAM that retains data during hibernation mode. This memory is accessible only while the device is in hibernate state or waking from it, and is preserved across power cycles when VBAT is maintained above 1.1 V, as specified in Section 7.3.7 of the SPMS448B datasheet.
Is the TM4C129XKCZADI3 pin-compatible with other Tiva C Series microcontrollers?
No, the TM4C129XKCZADI3 is not pin-compatible with earlier Tiva C Series devices such as TM4C123x or TM4C129x variants in smaller packages. Its 144-pin LQFP footprint and signal assignment are unique to the TM4C129XKCZAD family; migration requires PCB redesign due to differences in EPI, USB, and hibernation pin allocations.
TM4C129XKCZADI3 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:
- 512KB (512K 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:
TM4C129XKCZADI3 FAQ
1.How can I place an order for TM4C129XKCZADI3 through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C129XKCZADI3 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 TM4C129XKCZADI3 reliable?
The price and inventory of TM4C129XKCZADI3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C129XKCZADI3 is usually 5 days.
3.What payment methods are accepted for TM4C129XKCZADI3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C129XKCZADI3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C129XKCZADI3?
TM4C129XKCZADI3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C129XKCZADI3 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 TM4C129XKCZADI3?
For technical support, including TM4C129XKCZADI3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C129XKCZADI3 requirements.
6.How does Aetrix verify that TM4C129XKCZADI3 is sourced from the original manufacturer or authorized distributors?
All TM4C129XKCZADI3 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 TM4C129XKCZADI3 meets industry standards.
7.What is the process for return or replacement of TM4C129XKCZADI3?
All TM4C129XKCZADI3 units undergo pre-shipment inspection (PSI). If there is an issue with TM4C129XKCZADI3, 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 TM4C129XKCZADI3 part is unused and in its original packaging.
Return procedure for TM4C129XKCZADI3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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