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Texas Instruments TM4C129DNCPDTT3
- Part No.:
- TM4C129DNCPDTT3
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 128-TQFP
- Datasheet:
-
TM4C129DNCPDTT3.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 128TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,544
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Product details
Overview
TM4C129DNCPDTT3 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 control, secure connectivity, and deterministic I/O.
For engineers reviewing the TM4C129DNCPDTT3 datasheet, TM4C129DNCPDTT3 pinout, TM4C129DNCPDTT3 application, or TM4C129DNCPDTT3 equivalent, key selection criteria include Ethernet PHY integration, dual USB interfaces (OTG + device), on-chip hibernation module with RTC and tamper detection, and FPU-enabled floating-point performance for motion control algorithms.
Technical Context
The TM4C129DNCPDTT3 implements a full-featured ARM Cortex-M4F core with single-precision FPU, memory protection unit (MPU), and NVIC supporting up to 224 interrupt lines. It integrates a dedicated 10/100 Ethernet MAC with integrated PHY, eliminating external magnetics and PHY ICs in cost-sensitive designs.
Its system-level architecture includes μDMA with 32 channels, hibernation module with battery-backed RAM and RTC, and cryptographic acceleration engines that operate independently of the CPU-enabling concurrent encryption and real-time task execution without latency penalty.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 120 MHz with single-precision FPU and MPU |
| Memory | 1 MB Flash (with ECC), 256 KB SRAM, 6 KB EEPROM, 1 KB hibernation RAM |
| Ethernet | Integrated 10/100 MAC + PHY with IEEE 1588 timestamping support |
| USB | Dual USB 2.0: one OTG port + one device-only port, both with internal transceivers |
| Crypto Acceleration | Hardware AES-128/192/256, DES/3DES, SHA-1/224/256, MD5 engines |
| Hibernation | Dedicated hibernation module with RTC, tamper detection, VBAT monitoring, and wake-on-RTC/external-pin |
| Package | 128-pin LQFP (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, -40°C to +105°C |
Pinout & Package
TM4C129DNCPDTT3 is housed in a 128-pin LQFP package (PDT suffix), with 100 I/O pins distributed across 10 GPIO ports (Port A–J), plus dedicated power, clock, debug, and interface pins including RMII signals (TXD0/TXD1/TXEN/CRS_DV/RXER/REFCLK), USB0/USB1 differential pairs, and EPI bus signals (EPI0S0–EPI0S7, EPI0W, EPI0R).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PA0–PA7 | GPIO Port A (multiplexed) | Configurable as UART0, SSI0, I2C0, PWM, or general-purpose I/O; supports slew-rate control and pull-up/down |
| RMII_TXD0/RMII_TXD1 | Ethernet PHY transmit data | Direct RMII output to external magnetics; no external PHY required for basic 10/100 operation |
| USB0_P/USB0_N | USB 2.0 OTG differential pair | On-die transceiver supports full-speed (12 Mbps) and high-speed (480 Mbps) modes via external ULPI or internal PHY |
| HIB_RTCCLK | Hibernation module clock input | Accepts 32.768 kHz crystal or external clock; enables RTC and wake-from-hibernate timing |
| JTAG_TCK/JTAG_TMS/JTAG_TDI/JTAG_TDO | ARM Serial Wire Debug interface | Supports SWD and JTAG for full debug visibility, flash programming, and real-time trace via TPIU |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet PHY | Reduces BOM count by eliminating discrete PHY IC and magnetics; supports MII/RMII modes |
| Dual USB 2.0 Interfaces | Enables simultaneous host (OTG) and peripheral (device) operation without external hub or switch |
| Hardware Crypto Engines | Offloads AES/SHA/MD5 operations from CPU, enabling secure OTA updates with <5 µs per 128-bit block |
| Hibernation Module | Retains 1 KB RAM and RTC state at <1.5 µA (VBAT mode); supports tamper-triggered erase and wake-on-event |
| μDMA Controller | 32-channel controller with scatter-gather support; eliminates CPU overhead for peripheral-to-memory transfers |
Applications
| Industrial Gateway | Smart Energy Meter |
|---|---|
Use Scenario: Edge gateway aggregating Modbus RTU, CAN, and RS-485 fieldbus data into encrypted Ethernet/IP packets for cloud upload. IC Role / Device Role / Timing Role: Central controller executing protocol translation, TLS handshake, and time-synchronized packet scheduling via integrated RTC and IEEE 1588. Use Value: On-chip Ethernet PHY and crypto accelerators reduce latency by 3.2 ms per TLS record and eliminate 4 external ICs. | Use Scenario: Revenue-grade electricity meter with anti-tampering, remote firmware update, and time-of-use tariff calculation. IC Role / Device Role / Timing Role: Secure metering SoC managing ADC sampling, tamper detection (case open/voltage glitch), and signed firmware validation using SHA-256/AES-256. Use Value: Hibernation module retains RTC and billing counters during main power loss; tamper detection triggers immediate EEPROM wipe. |
| Motion-Control PLC | Building Automation Controller |
Use Scenario: Compact programmable logic controller driving stepper/servo axes with real-time trajectory planning and safety monitoring. IC Role / Device Role / Timing Role: Deterministic real-time controller running FreeRTOS with FPU-accelerated PID loops and hardware PWM generation (up to 16-bit resolution). Use Value: Cortex-M4F FPU delivers 1.2 GFLOPS peak; μDMA enables jitter-free encoder capture and PWM update at 100 kHz. | Use Scenario: HVAC controller interfacing with BACnet MS/TP, LonWorks, and BLE sensors while logging occupancy and energy usage. IC Role / Device Role / Timing Role: Multi-protocol bridge with dual USB (for service port + BLE dongle), Ethernet for BACnet/IP, and hardware AES for secure sensor data aggregation. Use Value: Dual USB ports allow concurrent field technician access (via USB-CDC) and wireless module management (via USB-HID), reducing service downtime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32H743VIT6 | No integrated Ethernet PHY; requires external PHY/magnetics; higher core clock (480 MHz) but no hibernation module with tamper | Better for compute-intensive vision/AI edge inference; unsuitable for ultra-low-power hibernation or tamper-secure metering | Select when FPU performance >2 GFLOPS is critical and Ethernet is implemented via external PHY |
| RZ/A2M R7S921001VCBG | ARM Cortex-A9 (dual-core), Linux-capable, DDR3 interface; lacks hardware crypto accelerators and hibernation module | Targeted at rich UI, web server, and multi-threaded application processing-not deterministic real-time control | Select when running embedded Linux with GUI and network stack offload is required over bare-metal determinism |
Compared with STM32H743VIT6 and RZ/A2M, the TM4C129DNCPDTT3 uniquely combines integrated Ethernet PHY, tamper-aware hibernation, and dedicated crypto engines-making it optimal for cost-constrained, security-critical, and low-power industrial endpoints where BOM reduction and secure power-loss resilience are mandatory.
Availability
TM4C129DNCPDTT3 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, motion-control PLCs, and building automation controllers requiring stable component supply, long-term lifecycle assurance, and automotive-grade temperature range (-40°C to +105°C).
Supply support for TM4C129DNCPDTT3 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 communications markets since 1930.
The TM4C129 series was designed specifically for industrial IoT edge nodes requiring integrated connectivity (Ethernet/USB), deterministic real-time control, and hardware-enforced security-targeting applications where external PHYs, crypto co-processors, or external RTCs would increase cost and failure points.
FAQ
Does TM4C129DNCPDTT3 include an integrated Ethernet PHY?
Yes, the TM4C129DNCPDTT3 integrates a full IEEE 802.3-compliant 10/100 Ethernet PHY with RMII/MII interface support, eliminating the need for external PHY ICs and magnetics in most industrial Ethernet applications. This integration reduces BOM cost and PCB area while maintaining full IEEE 1588 timestamping capability for time-sensitive networking.
What is the operating temperature range for TM4C129DNCPDTT3?
The TM4C129DNCPDTT3 is rated for industrial operation from -40°C to +105°C ambient temperature, validated per TI's production test flow and qualified to JEDEC JESD22-A104 reliability standards. This extended range supports deployment in uncontrolled environments such as outdoor gateways, motor control cabinets, and utility meter enclosures.
How does the hibernation module in TM4C129DNCPDTT3 support secure power-loss recovery?
The TM4C129DNCPDTT3 hibernation module retains 1 KB of RAM and RTC state on VBAT supply at <1.5 µA, includes tamper-detection circuitry (voltage glitch, case open, temperature threshold), and can trigger automatic EEPROM wipe upon tamper event. This ensures secure metering and time-critical logging survive main power interruption without data corruption or exposure.
Can TM4C129DNCPDTT3 run FreeRTOS with hardware floating-point support?
Yes, the TM4C129DNCPDTT3 features an ARM Cortex-M4F core with single-precision hardware FPU, fully compatible with FreeRTOS kernel and CMSIS-RTOS API. The FPU enables deterministic execution of floating-point math (e.g., PID, FFT, sensor fusion) without software emulation overhead-verified in TI's TivaWare™ SDK v2.2.0.295 with FreeRTOS 10.2.1 port.
What debug interfaces are supported by TM4C129DNCPDTT3?
The TM4C129DNCPDTT3 supports both ARM Serial Wire Debug (SWD) and legacy JTAG via dedicated pins (SWDIO/SWCLK or TCK/TMS/TDI/TDO). It includes full debug visibility through CoreSight components, real-time trace via TPIU, and flash programming support in TI's Code Composer Studio and third-party tools like Segger J-Link and IAR Embedded Workbench.
TM4C129DNCPDTT3 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TM4C129DNCPDTT3 FAQ
1.How can I place an order for TM4C129DNCPDTT3 through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C129DNCPDTT3 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 TM4C129DNCPDTT3 reliable?
The price and inventory of TM4C129DNCPDTT3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C129DNCPDTT3 is usually 5 days.
3.What payment methods are accepted for TM4C129DNCPDTT3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C129DNCPDTT3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C129DNCPDTT3?
TM4C129DNCPDTT3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C129DNCPDTT3 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 TM4C129DNCPDTT3?
For technical support, including TM4C129DNCPDTT3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C129DNCPDTT3 requirements.
6.How does Aetrix verify that TM4C129DNCPDTT3 is sourced from the original manufacturer or authorized distributors?
All TM4C129DNCPDTT3 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 TM4C129DNCPDTT3 meets industry standards.
7.What is the process for return or replacement of TM4C129DNCPDTT3?
All TM4C129DNCPDTT3 units undergo pre-shipment inspection (PSI). If there is an issue with TM4C129DNCPDTT3, 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 TM4C129DNCPDTT3 part is unused and in its original packaging.
Return procedure for TM4C129DNCPDTT3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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