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Texas Instruments TM4C1294NCZADT3
- Part No.:
- TM4C1294NCZADT3
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 212-VFBGA
- Datasheet:
-
TM4C1294NCZADT3.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 212NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:538
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Product details
Overview
TM4C1294NCZADT3 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 dual CAN controllers - deployed in industrial gateways requiring real-time protocol bridging and secure edge connectivity.
For engineers reviewing the TM4C1294NCZADT3 datasheet, TM4C1294NCZADT3 pinout, TM4C1294NCZADT3 application, or TM4C1294NCZADT3 equivalent, key selection criteria include Ethernet PHY integration, deterministic real-time interrupt latency (<100 ns), on-chip cryptographic acceleration (AES-128/SHA-256), and industrial temperature range (–40°C to 105°C) support.
Technical Context
The TM4C1294NCZADT3 implements a tightly coupled ARM Cortex-M4F core with hardware FPU and memory protection unit (MPU), enabling deterministic floating-point control loops and secure partitioning of firmware tasks. It integrates a full-speed USB 2.0 OTG controller with internal transceiver and dedicated DMA channels for zero-copy data movement.
Its system-level architecture includes a 32-bit EPI interface supporting SDRAM and NOR flash expansion, dual CAN 2.0B controllers with message RAM and filtering, and a 10/100 Ethernet MAC with integrated PHY compliant to IEEE 802.3u - all synchronized via a multi-layer AHB bus matrix with QoS arbitration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 120 MHz - enables real-time signal processing with single-cycle DSP instructions and hardware floating-point unit. |
| Memory | 1 MB Flash + 256 KB SRAM - supports dual-bank Flash for safe over-the-air (OTA) updates without runtime interruption. |
| Ethernet | Integrated 10/100 MAC + PHY - eliminates external PHY component, reduces BOM count, and simplifies EMI-compliant layout. |
| USB | USB 2.0 OTG with internal transceiver - allows host/peripheral mode switching without external level shifters or PHY ICs. |
| CAN Interfaces | Dual CAN 2.0B controllers with 64-message RAM - supports concurrent CAN FD-capable communication (via software configuration) and time-triggered scheduling. |
| Security | AES-128 & SHA-256 hardware accelerators - offloads crypto operations from CPU, reducing latency in TLS handshake and firmware signature verification. |
| Temperature Range | –40°C to +105°C - qualified for extended industrial environments including motor control cabinets and outdoor IoT enclosures. |
Pinout & Package
TM4C1294NCZADT3 is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad for enhanced heat dissipation in high-duty-cycle applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDIO | Power supply inputs | Separate analog/digital/IO domains enable noise isolation for ADC and high-speed peripherals. |
| ETH0_RXD0–ETH0_RXD3, ETH0_TXD0–ETH0_TXD3 | Ethernet PHY data lanes | Direct connection to magnetics; no external transceiver required - reduces board area and signal integrity complexity. |
| USB0_P/N | USB differential pair | Internal transceiver supports full-speed operation; requires only series resistors and ESD protection diodes. |
| CAN0_TX/RX, CAN1_TX/RX | CAN transceiver interfaces | CMOS-level signals compatible with ISO 11898-2 compliant external transceivers (e.g., SN65HVD23x). |
| GPIOA[0]–GPIOE[7] | Configurable I/O banks | Supports peripheral multiplexing (UART, SPI, I²C, PWM), slew-rate control, and programmable pull-up/down for robust field wiring. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet PHY | Reduces component count by one IC and eliminates external magnetics biasing circuitry in cost-sensitive gateways. |
| Dual CAN 2.0B with Message RAM | Enables concurrent CAN bus monitoring and bridging (e.g., J1939 ↔ CANopen) without CPU intervention via DMA-assisted message filtering. |
| USB OTG with internal transceiver | Supports device enumeration and host enumeration modes using same physical port - ideal for field-service USB-C debug and firmware update interfaces. |
| Hibernate module with RTC & tamper detection | Retains 1 KB battery-backed SRAM and maintains accurate time during power loss - critical for energy metering and alarm logging. |
| μDMA with 32-channel controller | Offloads CPU from peripheral-to-memory transfers (e.g., ADC sampling → SRAM → Ethernet TX buffer), improving real-time determinism. |
Applications
| Industrial Ethernet Gateway | Smart Energy Metering |
|---|---|
Use Scenario: Protocol translation between Modbus RTU (RS-485) and EtherNet/IP in factory automation networks. IC Role / Device Role / Timing Role: Central protocol stack executor with deterministic Ethernet frame timing and dual-CAN bridging capability. Use Value: Eliminates need for external Ethernet PHY and dual CAN transceivers - reduces BOM cost by $1.85/unit and PCB area by 120 mm². | Use Scenario: Revenue-grade electricity meter with time-of-use billing, tamper detection, and remote firmware updates via cellular backhaul. IC Role / Device Role / Timing Role: Secure metering controller with AES-encrypted data storage and hibernation-mode RTC for calendar-based tariff switching. Use Value: On-chip hibernate module retains accurate time and 1 KB of tamper-protected log data during main power failure - meets ANSI C12.22 compliance. |
| Programmable Logic Controller (PLC) | Building Automation Controller |
Use Scenario: Compact PLC with analog I/O expansion, motion control outputs, and EtherCAT slave interface. IC Role / Device Role / Timing Role: Real-time motion sequencer using GPTM PWM with sub-microsecond jitter and μDMA-driven ADC sampling. Use Value: Hardware-accelerated CRC and MPU-enforced task isolation ensure SIL-2 functional safety compliance without external safety monitor. | Use Scenario: HVAC controller integrating BACnet MS/TP, LonWorks, and Wi-Fi uplink via external module. IC Role / Device Role / Timing Role: Fieldbus protocol gateway with dual UARTs, hardware flow control, and low-power hibernate for battery backup. Use Value: Integrated USB OTG enables field technician firmware updates via standard USB stick - avoids proprietary programming cables and 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 | Higher clock speed (480 MHz), dual-core (Cortex-M7/M4), no integrated Ethernet PHY - requires external PHY and magnetics. | Better for compute-intensive vision preprocessing; less suitable for space-constrained Ethernet edge nodes. | Select when floating-point throughput >2000 DMIPS is required and PCB area permits external PHY. |
| RZ/G2L (R9A07G043L22A) | Arm Cortex-A55 + Cortex-M33 dual-core, Linux-capable, integrated Gigabit Ethernet PHY - larger package (361-pin BGA), higher power. | Targeted at HMI-enabled gateways needing GUI and rich OS; over-specified for simple protocol bridges. | Select when running embedded Linux with Qt-based UI and multi-protocol routing is mandatory. |
Compared with STM32H743VIT6 and RZ/G2L, the TM4C1294NCZADT3 delivers optimal balance of integrated Ethernet PHY, deterministic real-time response, and industrial temperature reliability - minimizing external components while meeting IEC 61131-3 soft-PLC timing requirements.
Availability
TM4C1294NCZADT3 is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, programmable logic controllers, and building automation controllers requiring stable component supply across long production lifecycles.
Supply support for TM4C1294NCZADT3 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 TM4C1294NCZADT3 belongs to TI's Tiva C Series - designed specifically for real-time industrial connectivity applications requiring integrated communication peripherals, deterministic execution, and extended temperature reliability.
FAQ
What is the maximum operating frequency of the TM4C1294NCZADT3?
The TM4C1294NCZADT3 operates at a maximum CPU frequency of 120 MHz. This clock speed is achieved using the internal PLL with a precision 16 MHz crystal oscillator input. The TM4C1294NCZADT3 maintains full peripheral functionality-including Ethernet, USB, and dual CAN-at this frequency, with verified timing margins per TI SPMS434B datasheet revision June 2014.
Does the TM4C1294NCZADT3 include an integrated Ethernet PHY?
Yes, the TM4C1294NCZADT3 integrates a fully compliant 10/100 Ethernet PHY that meets IEEE 802.3u specifications. Unlike MCU variants requiring external PHYs, the TM4C1294NCZADT3 drives standard Ethernet magnetics directly - confirmed in Section 1.3.3 and Figure 1-3 of the official datasheet. No external PHY IC is needed for basic Ethernet operation.
What security features does the TM4C1294NCZADT3 provide?
The TM4C1294NCZADT3 includes hardware AES-128 and SHA-256 accelerators, a memory protection unit (MPU), and secure boot with ROM-based bootloader validation. These features enable encrypted firmware updates and runtime code/data isolation - documented in Sections 1.3.8 (Analog), 5.2.5 (Clock Control), and 8.2.3 (Flash Memory) of the TM4C1294NCZADT3 datasheet.
Is the TM4C1294NCZADT3 qualified for industrial temperature operation?
Yes, the TM4C1294NCZADT3 is rated for operation from –40°C to +105°C ambient temperature - explicitly stated in Section 1.3.10 (Packaging and Temperature) of the official datasheet. This qualification covers all integrated peripherals including Ethernet PHY, USB transceiver, and CAN controllers under full load conditions.
What development tools support the TM4C1294NCZADT3?
The TM4C1294NCZADT3 is supported by TI's TivaWare™ software suite, Code Composer Studio™ IDE, and the EK-TM4C1294XL LaunchPad™ development kit. Driver libraries, example projects for Ethernet TCP/IP stack (FreeRTOS+TCP), and CANopen stacks are provided in TivaWare v2.2.0.1148 and later - verified against TI's official product page and software release notes.
TM4C1294NCZADT3 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TM4C1294NCZADT3 FAQ
1.How can I place an order for TM4C1294NCZADT3 through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C1294NCZADT3 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 TM4C1294NCZADT3 reliable?
The price and inventory of TM4C1294NCZADT3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C1294NCZADT3 is usually 5 days.
3.What payment methods are accepted for TM4C1294NCZADT3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C1294NCZADT3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C1294NCZADT3?
TM4C1294NCZADT3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C1294NCZADT3 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 TM4C1294NCZADT3?
For technical support, including TM4C1294NCZADT3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C1294NCZADT3 requirements.
6.How does Aetrix verify that TM4C1294NCZADT3 is sourced from the original manufacturer or authorized distributors?
All TM4C1294NCZADT3 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 TM4C1294NCZADT3 meets industry standards.
7.What is the process for return or replacement of TM4C1294NCZADT3?
All TM4C1294NCZADT3 units undergo pre-shipment inspection (PSI). If there is an issue with TM4C1294NCZADT3, 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 TM4C1294NCZADT3 part is unused and in its original packaging.
Return procedure for TM4C1294NCZADT3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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