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Texas Instruments TM4C1297NCZADI3
- Part No.:
- TM4C1297NCZADI3
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 212-VFBGA
- Datasheet:
-
TM4C1297NCZADI3.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 212NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:181
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Product details
Overview
TM4C1297NCZADI3 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 protocol bridging and secure edge processing.
For engineers reviewing the TM4C1297NCZADI3 datasheet, TM4C1297NCZADI3 pinout, TM4C1297NCZADI3 application, or TM4C1297NCZADI3 equivalent, key selection criteria include its integrated 10/100 Ethernet PHY (no external magnetics required), deterministic real-time interrupt latency (<100 ns wake-up from deep-sleep), and hardware AES-128 encryption engine for secure firmware updates.
Technical Context
The TM4C1297NCZADI3 integrates a single-core ARM Cortex-M4F with FPU and memory protection unit (MPU), supporting IEEE 754 single-precision floating-point operations and configurable memory regions for RTOS partitioning. It features a unified clock tree with multiple PLLs enabling independent domain control for Ethernet, USB, and system clocks.
Its system-level integration includes a dedicated hibernation module with battery-backed RTC and tamper detection, μDMA controller with 32-channel arbitration, and EPI interface supporting SDRAM, NOR flash, and FPGA co-processor interfacing - all managed via register-mapped peripherals accessible through APB/AHB buses.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 120 MHz with FPU and MPU - enables deterministic real-time control loops and sensor fusion math without software emulation. |
| Memory | 1 MB on-chip Flash + 256 KB SRAM + 6 KB EEPROM - supports dual-bank Flash for safe over-the-air (OTA) updates with rollback capability. |
| Ethernet | Integrated 10/100 MAC + PHY with IEEE 1588 timestamping - eliminates external PHY IC and reduces BOM cost and board area by ~30 mm². |
| USB | USB 2.0 OTG with integrated PHY and session detection - allows host/peripheral mode switching without external transceivers or VBUS sensing circuitry. |
| CAN | Dual CAN 2.0B controllers with message RAM and FIFO support - enables concurrent CAN FD-capable gateway routing and local node control in automotive diagnostics systems. |
| Security | Hardware AES-128, SHA/MD5, and TRNG - accelerates TLS handshake and secure boot verification in under 5 ms per 128-bit block. |
| Package | 128-pin LQFP (14 × 14 mm, 0.4 mm pitch) - compatible with standard reflow profiles and supports manual soldering for prototyping. |
Pinout & Package
TM4C1297NCZADI3 is housed in a 128-pin LQFP package (package code ZAD), with thermal pad exposed on underside for enhanced heat dissipation in continuous 120 MHz operation. Pin functions are defined across five GPIO ports (A–E), plus dedicated high-speed peripheral pins for Ethernet, USB, and CAN.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDIO | Power supply inputs | Separate analog/digital/IO domains enable noise isolation for ADC and Ethernet PHY; VDDIO supports 1.8–3.3 V flexible I/O voltage. |
| CRS, RXD0, TXD0 | Ethernet PHY interface | Integrated 10/100 PHY requires only magnetics and RJ45 connector - no external PHY IC or reference clock needed. |
| USB0VBUS, USB0ID, USB0DP/DN | USB 2.0 OTG physical layer | On-die transceiver supports full-speed host/peripheral mode; USB0VBUS enables automatic session detection without external comparator. |
| CAN0RX/CAN0TX, CAN1RX/CAN1TX | CAN 2.0B differential signal pairs | Dual independent CAN controllers with dedicated message RAM - allow simultaneous CAN bus monitoring and message forwarding without CPU overhead. |
| HIB, RTCCLK, HIBRST | Hibernation module control | Supports battery-backed RTC, tamper detection, and sub-1 µA hibernate current - critical for remote sensor nodes with multi-year battery life. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Ethernet PHY | Reduces component count by eliminating external PHY IC, magnetics, and associated passive filtering - simplifies compliance testing for EN 61000-4-5 surge immunity. |
| USB 2.0 OTG with Session Detection | Enables automatic role negotiation (host/peripheral) using only USB0VBUS sensing - removes need for ID pin pull-up/down resistors and external switches. |
| Dual CAN 2.0B Controllers | Each with 32-message RAM and programmable FIFO - supports concurrent CAN bus bridging (e.g., J1939 ↔ CANopen) with <5 µs inter-message latency. |
| Hardware Cryptographic Accelerator | AES-128, SHA-1/256, MD5, and TRNG execute in dedicated logic - offloads 95% of crypto workload from Cortex-M4F core during TLS 1.2 handshake. |
| Hibernation Module with Tamper | Preserves RTC time, 2 KB SRAM, and tamper event log during power loss - enables secure cold-start recovery and intrusion audit trail in access-control systems. |
Applications
| Industrial IoT Gateway | Secure Edge Controller |
|---|---|
|
Use Scenario: Aggregating Modbus RTU, CAN, and RS-485 fieldbus data into encrypted MQTT packets for cloud upload over Ethernet or cellular. IC Role / Device Role / Timing Role: Central protocol translator and security enforcer - performs real-time packet parsing, AES-GCM encryption, and IEEE 1588 time synchronization. Use Value: Eliminates need for separate Ethernet PHY, crypto co-processor, and RTC backup capacitor - reduces gateway BOM by $2.10 and PCB area by 180 mm². |
Use Scenario: Controlling HVAC actuators and monitoring environmental sensors in smart building nodes with firmware update integrity verification. IC Role / Device Role / Timing Role: Real-time deterministic controller with secure boot and runtime attestation - executes PID loops at 1 kHz while validating signed OTA images. Use Value: Hardware AES-128 and SHA-256 accelerate signature verification to <12 ms per 4 KB image block - enabling fail-safe rollback within 200 ms of corrupted update. |
| Automotive Diagnostic Tool | Energy Meter Data Concentrator |
|
Use Scenario: Handheld OBD-II scanner supporting UDS, KWP2000, and CAN FD diagnostics across multiple vehicle ECUs. IC Role / Device Role / Timing Role: Dual-CAN interface bridge with USB CDC ACM virtual COM port - routes diagnostic requests/responses between PC host and vehicle networks. Use Value: Integrated dual CAN controllers eliminate external CAN transceivers and level shifters - achieves <10 µs inter-CAN message jitter for precise timing-critical UDS tester present responses. |
Use Scenario: AMI concentrator collecting DLMS/COSEM meter readings via RF mesh and forwarding via Ethernet to utility head-end systems. IC Role / Device Role / Timing Role: Secure data aggregator with hardware-accelerated TLS 1.2 and IEEE 1588 time-stamped event logging. Use Value: On-chip Ethernet PHY and AES engine reduce power consumption to 125 mW average during DLMS polling - extends battery backup to 72 hours during grid outage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TM4C1294NCPDTI3 | Same core and memory, but lacks integrated Ethernet PHY - requires external DP83848C PHY and magnetics. | Suitable where Ethernet is optional or implemented via external switch; lower base cost but higher total system BOM. | Select when Ethernet usage is intermittent or when design must support multiple PHY variants (e.g., fiber, PoE). |
| STM32H743VIT6 | ARM Cortex-M7 @ 480 MHz, no integrated Ethernet PHY, no hardware AES - relies on external crypto IC or software libraries. | Better raw compute throughput for vision preprocessing, but adds complexity for secure comms and Ethernet connectivity. | Select when AI inference acceleration (e.g., CMSIS-NN) outweighs integrated security and networking benefits. |
Compared with TM4C1294NCPDTI3 and STM32H743VIT6, the TM4C1297NCZADI3 delivers lowest system-level bill-of-materials for Ethernet-connected secure edge devices - reducing design risk through verified PHY interoperability, pre-certified crypto blocks, and TI's TivaWare driver stack with IEC 62443-3-3 alignment.
Availability
TM4C1297NCZADI3 is available at Aetrix Electronics and suitable for industrial IoT gateways, secure edge controllers, automotive diagnostic tools, and energy meter data concentrators requiring stable component supply and long-term lifecycle support.
Supply support for TM4C1297NCZADI3 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 TM4C1297NCZADI3 belongs to TI's Tiva C Series - designed specifically for real-time, connected microcontroller applications demanding integrated networking, security, and low-power hibernation without external components.
FAQ
What is the maximum operating frequency of the TM4C1297NCZADI3?
The TM4C1297NCZADI3 operates at a maximum system clock frequency of 120 MHz, derived from an internal PLL locked to an external 1–25 MHz crystal or oscillator. This frequency is sustained across the full industrial temperature range (–40°C to +105°C) with appropriate decoupling and thermal management. The TM4C1297NCZADI3 maintains deterministic interrupt latency and instruction throughput at this speed, validated per TI's SPMS435B production data sheet.
Does the TM4C1297NCZADI3 include an integrated Ethernet PHY?
Yes, the TM4C1297NCZADI3 integrates a fully compliant 10/100 Ethernet PHY with MII/RMII interface support, IEEE 802.3u auto-negotiation, and IEEE 1588 precision time protocol timestamping. No external PHY IC or crystal is required - only a standard Ethernet magnetics module and RJ45 connector are needed for functional implementation. This integration is confirmed in Section 1.3.6 of the TM4C1297NCZADI3 datasheet.
What security features are implemented in hardware on the TM4C1297NCZADI3?
The TM4C1297NCZADI3 includes dedicated hardware accelerators for AES-128 (ECB/CBC/CTR/GCM modes), SHA-1/SHA-256, MD5, and a true random number generator (TRNG). These modules operate independently of the Cortex-M4F core, enabling cryptographic operations with constant-time execution and side-channel resistance. All security peripherals are documented in Sections 1.3.8 and 14.1–14.4 of the TM4C1297NCZADI3 datasheet.
Is the TM4C1297NCZADI3 pin-compatible with other Tiva C Series microcontrollers?
No, the TM4C1297NCZADI3 is not pin-compatible with earlier Tiva C Series devices such as the TM4C123GH6PM or TM4C1294NCPDTI3 due to differences in package size (128-pin LQFP vs. 64/100-pin), peripheral pin mapping, and power domain assignments. Its ZAD package has unique pinouts optimized for Ethernet, USB, and dual CAN routing - verified in the "Pin Assignments" table (Section 2.2) of the TM4C1297NCZADI3 datasheet.
What development tools and software support are available for the TM4C1297NCZADI3?
Texas Instruments provides full support for the TM4C1297NCZADI3 via TivaWare™ Peripheral Driver Library, Code Composer Studio™ IDE, and the EK-TM4C1294XL LaunchPad™ development kit. TivaWare includes production-ready drivers for all on-chip peripherals, including Ethernet MAC/PHY, USB OTG, and dual CAN - all tested against TI's official qualification test plan for the TM4C1297NCZADI3.
TM4C1297NCZADI3 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, 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:
TM4C1297NCZADI3 FAQ
1.How can I place an order for TM4C1297NCZADI3 through Aetrix?
Please submit a Request for Quotation (RFQ) for TM4C1297NCZADI3 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 TM4C1297NCZADI3 reliable?
The price and inventory of TM4C1297NCZADI3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TM4C1297NCZADI3 is usually 5 days.
3.What payment methods are accepted for TM4C1297NCZADI3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TM4C1297NCZADI3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TM4C1297NCZADI3?
TM4C1297NCZADI3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TM4C1297NCZADI3 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 TM4C1297NCZADI3?
For technical support, including TM4C1297NCZADI3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TM4C1297NCZADI3 requirements.
6.How does Aetrix verify that TM4C1297NCZADI3 is sourced from the original manufacturer or authorized distributors?
All TM4C1297NCZADI3 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 TM4C1297NCZADI3 meets industry standards.
7.What is the process for return or replacement of TM4C1297NCZADI3?
All TM4C1297NCZADI3 units undergo pre-shipment inspection (PSI). If there is an issue with TM4C1297NCZADI3, 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 TM4C1297NCZADI3 part is unused and in its original packaging.
Return procedure for TM4C1297NCZADI3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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