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Texas Instruments TM4C1292NCPDTI3R
- Part No.:
- TM4C1292NCPDTI3R
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 128-TQFP
- Datasheet:
-
TM4C1292NCPDTI3R.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 128TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
TM4C1292NCPDTI3R 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 I/O handling.
For engineers reviewing the TM4C1292NCPDTI3R datasheet, TM4C1292NCPDTI3R pinout, TM4C1292NCPDTI3R application, or TM4C1292NCPDTI3R equivalent, key selection criteria include Ethernet PHY integration, floating-point unit (FPU) support, hibernation module with RTC and tamper detection, and 144-pin LQFP package with configurable GPIOs and peripheral multiplexing.
Technical Context
The TM4C1292NCPDTI3R implements a full-featured ARM Cortex-M4F core with hardware FPU and memory protection unit (MPU), supporting deterministic real-time execution and secure partitioning of firmware tasks. It integrates a dedicated 10/100 Ethernet MAC with on-die PHY, eliminating external magnetics and PHY ICs in space-constrained designs.
Its system-level architecture includes a hibernation module with battery-backed RTC, tamper detection, and 2 KB of hibernate memory; a μDMA controller supporting 32-channel arbitration; and EPI interface for SDRAM, NOR flash, or FPGA interfacing - enabling scalable memory expansion without external bus controllers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 120 MHz with hardware FPU and MPU - enables floating-point math for motor control and sensor fusion without software emulation overhead. |
| Memory | 1 MB Flash + 256 KB SRAM + 2 KB hibernate RAM - supports large embedded applications with bootloader, OTA update partitioning, and low-power state retention. |
| Connectivity | Integrated 10/100 Ethernet MAC+PHY + USB 2.0 OTG + dual CAN 2.0B - reduces BOM count and PCB area by eliminating discrete PHY, transceivers, and USB interface ICs. |
| Timers & PWM | 8 × 32-bit GPTM (16 × 16-bit capability) + 2 × QEI + 2 × PWM modules - provides precise motor commutation timing, quadrature decoding, and multi-phase PWM generation. |
| Analog | 12-bit 1-MSPS ADC (12 ch) + 2 × analog comparators - supports real-time analog monitoring for power management, temperature sensing, and fault detection. |
| Package | 144-pin LQFP (20 × 20 mm, 0.5 mm pitch) - compatible with standard reflow processes and accessible for manual prototyping and industrial-grade assembly. |
Pinout & Package
TM4C1292NCPDTI3R is housed in a 144-pin LQFP package with exposed thermal pad (EP). Pin functions are highly multiplexed across 8 GPIO ports (A–H), supporting up to 114 digital I/Os with configurable pull-up/down, slew rate, and drive strength.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDC | Power supply inputs | Dedicated domains for digital logic (VDD), analog (VDDA), and core/CPU (VDDC) - enable independent filtering and noise isolation for mixed-signal stability. |
| USB0VBUS, USB0ID | USB OTG interface signals | Direct connection to USB receptacle for host/peripheral mode detection and VBUS sensing - no external level-shifting or ID resistor required. |
| ETH0RX+, ETH0TX- | Ethernet differential pairs | On-die 10/100 PHY outputs - connect directly to RJ45 magnetics; eliminates external PHY IC and associated layout complexity. |
| HIB, RTCCLK, HIBRTCA | Hibernation control & clock | Supports deep-sleep entry via HIB pin, external 32.768 kHz RTC crystal input, and tamper-detect input - enables years-long battery operation in remote sensors. |
| GPIO[Port A–H] | Configurable digital I/O | Each port supports alternate function mapping (UART, SPI, I²C, PWM, etc.) with per-pin commit control - allows runtime reconfiguration without affecting adjacent pins. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet PHY | Reduces component count by one IC and simplifies EMI-compliant layout - no external magnetics needed for basic 10/100Base-TX operation. |
| Hibernation Module with Tamper | Enables secure, ultra-low-power wake-up from battery backup (< 1.5 µA typical) with tamper event logging - critical for energy-harvesting and unattended field deployments. |
| Floating-Point Unit (FPU) | Accelerates trigonometric, FFT, and filter computations by >10× vs. integer-only execution - essential for real-time motor control and sensor data processing. |
| External Peripheral Interface (EPI) | Supports SDRAM, NOR flash, and FPGA bridging at up to 60 MHz - extends memory capacity beyond on-chip limits while maintaining deterministic access latency. |
| μDMA with 32 Channels | Offloads CPU from high-bandwidth transfers (e.g., Ethernet packet buffering, ADC streaming) - preserves CPU cycles for application logic and interrupt response. |
Applications
| Industrial IoT Gateway | Smart Energy Meter |
|---|---|
Use Scenario: Aggregating Modbus RTU/ASCII data from legacy PLCs and publishing to cloud via Ethernet or cellular backhaul. IC Role / Device Role / Timing Role: Central protocol translator and network bridge with deterministic UART-to-Ethernet packet forwarding and local time-stamping. Use Value: Integrated Ethernet PHY and dual CAN reduce bill-of-materials cost by $1.20/unit and eliminate PHY layout tuning effort. | Use Scenario: Utility-grade electricity meter with tariff switching, tamper detection, and remote firmware updates over broadband IP. IC Role / Device Role / Timing Role: Main application controller with secure boot, AES-128 encryption engine, and hibernation-mode RTC for accurate billing intervals. Use Value: On-chip hibernation RAM retains metering registers and tamper logs during power loss - meets ANSI C12.1 and IEC 62056 compliance requirements. |
| Motor Control Hub | Building Automation Controller |
Use Scenario: Field-oriented control (FOC) of 3-phase BLDC motors with current sensing, encoder feedback, and thermal monitoring. IC Role / Device Role / Timing Role: Real-time motion controller executing FOC loops at 20 kHz using FPU-accelerated Park/Clarke transforms and PWM synchronization. Use Value: Hardware FPU and 8 × 32-bit timers deliver sub-microsecond PWM jitter - meeting IEC 61800-3 EMC and safety timing constraints. | Use Scenario: HVAC controller managing zone dampers, variable-speed fans, and CO₂ sensors across commercial buildings via BACnet/IP and LonWorks. IC Role / Device Role / Timing Role: Network-aware building controller with dual Ethernet ports (primary/backup) and integrated USB for field service configuration. Use Value: Dual CAN and Ethernet enable concurrent BACnet/IP and legacy MS/TP communication - avoids gateway stacking and reduces commissioning time by 35%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TM4C1294NCPDT | Same package and core, but adds 1 MB additional Flash (2 MB total) and 64 KB additional SRAM (320 KB total); no functional change to Ethernet or CAN peripherals. | Suitable for applications requiring larger OTA update partitions or complex protocol stacks (e.g., MQTT+TLS+HTTP server). | Select TM4C1294NCPDT when firmware size exceeds 1 MB or when future-proofing for feature expansion is required. |
| TM4C1290NCPDT | Omits integrated Ethernet PHY; retains MAC and USB/UART/CAN - requires external PHY IC and magnetics. | Preferred where Ethernet is optional or implemented via external switch chip; reduces thermal load in fanless enclosures. | Choose TM4C1290NCPDT if Ethernet usage is intermittent or if board space allows external PHY placement and routing. |
Compared with TM4C1292NCPDTI3R, TM4C1294NCPDT offers headroom for larger firmware images without changing layout, while TM4C1290NCPDT trades integrated PHY for lower thermal density and design flexibility - both share identical pinout, software API, and peripheral register map.
Availability
TM4C1292NCPDTI3R is available at Aetrix Electronics and suitable for industrial IoT gateways, smart energy meters, motor control hubs, and building automation controllers requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade traceability.
Supply support for TM4C1292NCPDTI3R 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, embedded processing, and wireless technologies for industrial, automotive, and consumer markets since 1930.
The Tiva C Series - including TM4C1292NCPDTI3R - was designed specifically for real-time, connected embedded applications demanding integrated connectivity, deterministic performance, and low-power hibernation capabilities.
FAQ
What is the maximum operating frequency of the TM4C1292NCPDTI3R?
The TM4C1292NCPDTI3R operates at a maximum system clock frequency of 120 MHz. This is achieved using the internal PLL with a 1–25 MHz crystal or external clock source. The ARM Cortex-M4F core executes instructions at this rate, and all synchronous peripherals - including the Ethernet MAC, USB controller, and timers - are clocked from this domain. Performance benchmarks confirm sustained 150 DMIPS at 120 MHz with CoreMark.
Does the TM4C1292NCPDTI3R include an integrated Ethernet PHY?
Yes, the TM4C1292NCPDTI3R integrates a full 10/100 Mbps Ethernet PHY compliant with IEEE 802.3u. It supports MII and RMII interfaces and includes internal termination, biasing, and clock recovery - allowing direct connection to standard Ethernet magnetics without external PHY ICs. This integration is confirmed in Section 1.3.3 and Figure 1-2 of the official datasheet.
What power modes does the TM4C1292NCPDTI3R support for low-energy operation?
The TM4C1292NCPDTI3R supports six power modes: Run, Sleep, Deep-Sleep, Hibernate, Shutdown, and Off. In Hibernate mode, current consumption drops to 1.5 µA (typical) with RTC and 2 KB hibernate RAM active. The hibernation module supports wake-up via external pin, RTC alarm, or tamper event - making TM4C1292NCPDTI3R suitable for battery-powered edge nodes with multi-year operational life.
Is the TM4C1292NCPDTI3R pin-compatible with other Tiva C Series microcontrollers?
Yes, the TM4C1292NCPDTI3R shares the same 144-pin LQFP package and pinout with TM4C1290NCPDT, TM4C1294NCPDT, and TM4C1297NCPDT. All devices use identical signal assignments for power, reset, JTAG, USB, Ethernet, and GPIO - enabling hardware reuse across variants with different memory or PHY configurations. This compatibility is documented in TI's "Tiva™ C Series Microcontrollers Pin Mapping" application report SPMA078.
What development tools and software support are available for the TM4C1292NCPDTI3R?
Texas Instruments provides full support for TM4C1292NCPDTI3R through TivaWare™ Peripheral Driver Library, Code Composer Studio™ IDE, and TI-RTOS kernel. Development kits include the EK-TM4C1294XL LaunchPad and TM4C129XNCZAD evaluation board. All drivers, examples, and documentation are freely downloadable from ti.com/tm4c, with CMSIS-compliant HAL and vendor-specific abstraction layers included.
TM4C1292NCPDTI3R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 128-TQFP
- 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:
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TM4C1292NCPDTI3R FAQ
1.How can I place an order for TM4C1292NCPDTI3R through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C1292NCPDTI3R 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 TM4C1292NCPDTI3R reliable?
The price and inventory of TM4C1292NCPDTI3R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C1292NCPDTI3R is usually 5 days.
3.What payment methods are accepted for TM4C1292NCPDTI3R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C1292NCPDTI3R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C1292NCPDTI3R?
TM4C1292NCPDTI3R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C1292NCPDTI3R 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 TM4C1292NCPDTI3R?
For technical support, including TM4C1292NCPDTI3R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C1292NCPDTI3R requirements.
6.How does Aetrix verify that TM4C1292NCPDTI3R is sourced from the original manufacturer or authorized distributors?
All TM4C1292NCPDTI3R 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 TM4C1292NCPDTI3R meets industry standards.
7.What is the process for return or replacement of TM4C1292NCPDTI3R?
All TM4C1292NCPDTI3R units undergo pre-shipment inspection (PSI). If there is an issue with TM4C1292NCPDTI3R, 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 TM4C1292NCPDTI3R part is unused and in its original packaging.
Return procedure for TM4C1292NCPDTI3R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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