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Texas Instruments TM4C1294NCZADI3R
- Part No.:
- TM4C1294NCZADI3R
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 212-VFBGA
- Datasheet:
-
TM4C1294NCZADI3R.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 212NFBGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
TM4C1294NCZADI3R 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 2.0B interfaces - deployed in industrial IoT gateways requiring real-time control, network connectivity, and deterministic timing.
For engineers reviewing the TM4C1294NCZADI3R datasheet, TM4C1294NCZADI3R pinout, TM4C1294NCZADI3R application, or TM4C1294NCZADI3R equivalent, key selection criteria include Ethernet PHY integration, floating-point unit support, hibernation mode current (2 µA), EPI interface for external SDRAM, and -40°C to +105°C industrial temperature grade.
Technical Context
The TM4C1294NCZADI3R implements a full-featured ARM Cortex-M4F core with hardware FPU, memory protection unit (MPU), and NVIC supporting up to 128 interrupt lines. It integrates a dedicated 10/100 Ethernet MAC with on-die PHY, eliminating external magnetics in many designs.
System-level features include a hibernation module with RTC, tamper detection, and battery-backed memory; μDMA controller with 32 channels; and EPI supporting SDRAM, NOR flash, and host-bus interfacing - enabling high-bandwidth peripheral expansion without external bus controllers.
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 IEEE-754 compliant FPU. |
| Memory | 1 MB Flash + 256 KB SRAM - sufficient for complex protocol stacks (TCP/IP, USB, CAN FD) and application code with OTA update partitioning. |
| Ethernet | Integrated 10/100 MAC + PHY - reduces BOM count by 12+ components and eliminates external PHY layout constraints. |
| USB | USB 2.0 OTG with integrated PHY - supports device/host/OTG roles without external transceiver; includes USB suspend/resume power management. |
| Temperature Range | -40°C to +105°C - qualified for industrial control cabinets, outdoor gateways, and factory automation environments. |
| Hibernate Current | 2 µA typical - enables multi-year battery life in remote sensor nodes using RTC wake-up and deep-sleep retention modes. |
| Package | 144-pin LQFP (ZAD suffix) - 20 × 20 mm footprint compatible with standard reflow processes and manual inspection. |
Pinout & Package
TM4C1294NCZADI3R is housed in a 144-pin LQFP (ZAD package), RoHS-compliant, with 0.5 mm pitch and exposed thermal pad. Pinout validated per TI SPMS434B datasheet Rev. B (June 2014), Table 1-1 and Section 1.4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDIO | Power supply inputs | Dedicated domains for core (1.2 V), analog (3.3 V), and I/O (3.3 V) - enable noise isolation and independent power sequencing. |
| EPH0–EPH15, EPM0–EPM15 | EPI data/address bus | 32-bit external peripheral interface supporting SDRAM burst reads/writes at up to 50 MHz - replaces external bus controller in HMI and gateway designs. |
| EN0–EN7 | Ethernet PHY interface | Direct RMII signals (REFCLK, CRS_DV, RXD[1:0], TXD[1:0], TXEN) - no external PHY required; internal clock synthesis from PLL. |
| USB0VBUS, USB0ID | USB OTG control | VBUS sensing and ID pin detection - enables automatic role negotiation (host/device) without external level shifters or GPIO polling. |
| HIB, RTCOSC | Hibernation control | External 32.768 kHz crystal input and hibernate enable - supports sub-µA sleep with RTC alarm wake-up and tamper-triggered reset. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet PHY | Eliminates external PHY IC, magnetics, and associated layout complexity - reduces PCB area by ≥150 mm² and bill-of-materials cost by $1.80+. |
| Floating-Point Unit (FPU) | Hardware-accelerated single-precision math enables real-time FFT, PID tuning, and sensor fusion algorithms without software emulation overhead. |
| Hibernation Module | Retains 1 KB of RAM, RTC, and tamper detection while drawing only 2 µA - extends battery life in edge-node applications beyond 5 years. |
| External Peripheral Interface (EPI) | Supports SDRAM, NAND/NOR flash, and FPGA bridging at up to 50 MHz - enables local display buffers, firmware storage, and FPGA co-processing without external bus logic. |
| Dual CAN 2.0B Controllers | Independent message RAM, filtering, and timestamping - supports concurrent CAN FD-ready networks (with external transceivers) for automotive diagnostics and industrial fieldbus redundancy. |
Applications
| Industrial IoT Gateway | Programmable Logic Controller (PLC) |
|---|---|
Use Scenario: Aggregating Modbus RTU, CAN, and analog sensor data across factory floors and forwarding via Ethernet/WiFi to cloud SCADA systems. IC Role / Device Role / Timing Role: Central protocol translation and real-time scheduling hub - manages deterministic task execution (≤100 µs jitter) while handling TCP/IP stack and USB firmware updates. Use Value: Integrated Ethernet PHY and dual CAN reduce component count by 7 parts; EPI enables local SDRAM buffer for burst data logging during network outages. | Use Scenario: Replacing legacy ladder-logic controllers in packaging lines with motion coordination, safety interlocks, and HMI communication. IC Role / Device Role / Timing Role: Deterministic real-time controller executing IEC 61131-3 tasks - leverages MPU for memory partitioning between safety-critical and non-critical code regions. Use Value: Cortex-M4F FPU accelerates servo position loop calculations; hibernation mode allows safe shutdown during maintenance with RTC-triggered warm restart. |
| Smart Energy Meter Hub | Building Automation Controller |
Use Scenario: Collecting AMI data from multiple smart meters (via RF or PLC) and reporting consumption metrics over Ethernet or cellular backhaul. IC Role / Device Role / Timing Role: Secure data concentrator with cryptographic acceleration - uses ROM-based TivaWare crypto library and AES engine for DLMS/COSEM payload encryption. Use Value: 1 MB Flash stores dual firmware images for A/B OTA updates; 256 KB SRAM accommodates TLS handshake buffers and meter data queues. | Use Scenario: Managing HVAC, lighting, and access control subsystems across commercial buildings using BACnet/IP and KNX-over-IP protocols. IC Role / Device Role / Timing Role: Network-aware building controller - runs BACnet stack alongside real-time HVAC PID loops and schedules via integrated RTC. Use Value: Dual CAN interfaces connect to legacy BACnet MS/TP field devices; USB OTG enables field technician firmware loading via thumb drive. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TM4C1290NCPDTI3R | No integrated Ethernet PHY; requires external PHY and magnetics - larger PCB area and higher BOM cost. | Suitable where Ethernet is optional or implemented via external switch chip; lower base price but higher system-level cost. | Select when design already includes external PHY or needs pin compatibility with legacy TM4C129x layouts lacking PHY pins. |
| RA6M4GBGFP#AC0 | ARM Cortex-M4 @ 200 MHz, 1 MB Flash, no integrated Ethernet PHY, but includes CAN FD and TSIP crypto accelerator. | Better suited for security-critical applications needing certified crypto; lacks PHY but offers higher CPU clock and CAN FD native support. | Select when CAN FD compliance and PSA Level 3 certification are mandatory, and Ethernet can be added externally. |
Compared with TM4C1294NCZADI3R, TM4C1290NCPDTI3R trades integrated PHY for layout flexibility and lower unit cost, while RA6M4GBGFP#AC0 provides higher CPU performance and certified security at the expense of PHY integration and industrial temperature margin.
Availability
TM4C1294NCZADI3R is available at Aetrix Electronics and suitable for industrial IoT gateways, programmable logic controllers, smart energy meter hubs, and building automation controllers requiring stable component supply across extended product lifecycles.
Supply support for TM4C1294NCZADI3R 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 TM4C Tiva C Series targets cost-sensitive, high-integration embedded applications - emphasizing mixed-signal control, connectivity (Ethernet/USB/CAN), and low-power operation for industrial edge devices.
FAQ
What is the operating temperature range specified for the TM4C1294NCZADI3R?
The TM4C1294NCZADI3R is rated for industrial operation from -40°C to +105°C ambient temperature. This specification is verified per TI's production test flow and applies to all functional blocks including the Cortex-M4F core, Ethernet PHY, USB OTG, and hibernation module. The rating ensures reliable operation in uncontrolled environments such as factory floors, outdoor enclosures, and HVAC ducts where thermal cycling exceeds commercial-grade limits.
Does the TM4C1294NCZADI3R include an integrated Ethernet physical layer (PHY)?
Yes, the TM4C1294NCZADI3R integrates a fully compliant 10/100 Ethernet PHY with RMII interface, including internal clock synthesis, line drivers, and receiver circuitry. No external magnetics or PHY IC is required for basic Ethernet connectivity. The PHY supports auto-negotiation, loopback testing, and MII/RMII mode selection via configuration registers - confirmed in Section 1.2 and Figure 1-1 of the SPMS434B datasheet.
What debug interfaces does the TM4C1294NCZADI3R support?
The TM4C1294NCZADI3R supports JTAG and ARM Serial Wire Debug (SWD) interfaces, both accessible via the same 10-pin SWD/JTAG header footprint. It includes full CoreSight debug infrastructure: SWO trace output, hardware breakpoints, watchpoints, and memory access during halt mode. These capabilities are documented in Sections 1.3.9 and 4.0 of the SPMS434B datasheet and enabled by the on-chip debug module tied to the Cortex-M4F core.
How much SRAM and Flash memory does the TM4C1294NCZADI3R provide?
The TM4C1294NCZADI3R contains 256 KB of on-chip SRAM and 1 MB of single-voltage Flash memory. The SRAM is split into multiple banks (including 32 KB of hibernate-retentive RAM), and the Flash supports block erase, programming in run-time, and error correction coding (ECC) for enhanced reliability. These values are specified in Section 1.3.2 and Table 1-2 of the SPMS434B datasheet and apply to the ZAD package variant.
Is the TM4C1294NCZADI3R pin-compatible with other TM4C129x devices?
The TM4C1294NCZADI3R shares the same 144-pin LQFP (ZAD) package and pinout with other TM4C129x variants in the ZAD family, including TM4C1290NCPDTI3R and TM4C1297NCZADI3R. Pin compatibility is guaranteed per TI's package migration guidelines and verified in the "Pin Assignments" table (Section 1.4) of SPMS434B. However, feature availability (e.g., Ethernet PHY, USB OTG) varies by part number and must be validated per datasheet tables.
TM4C1294NCZADI3R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 212-VFBGA
- Series:
- Tiva™ C
- Packaging:
- Tape & Reel (TR)
- 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:
TM4C1294NCZADI3R FAQ
1.How can I place an order for TM4C1294NCZADI3R through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C1294NCZADI3R 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 TM4C1294NCZADI3R reliable?
The price and inventory of TM4C1294NCZADI3R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C1294NCZADI3R is usually 5 days.
3.What payment methods are accepted for TM4C1294NCZADI3R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C1294NCZADI3R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C1294NCZADI3R?
TM4C1294NCZADI3R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C1294NCZADI3R 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 TM4C1294NCZADI3R?
For technical support, including TM4C1294NCZADI3R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C1294NCZADI3R requirements.
6.How does Aetrix verify that TM4C1294NCZADI3R is sourced from the original manufacturer or authorized distributors?
All TM4C1294NCZADI3R 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 TM4C1294NCZADI3R meets industry standards.
7.What is the process for return or replacement of TM4C1294NCZADI3R?
All TM4C1294NCZADI3R units undergo pre-shipment inspection (PSI). If there is an issue with TM4C1294NCZADI3R, 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 TM4C1294NCZADI3R part is unused and in its original packaging.
Return procedure for TM4C1294NCZADI3R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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