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Texas Instruments TMS5702134DZWTQQ1
- Part No.:
- TMS5702134DZWTQQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 337-LFBGA
- Datasheet:
-
TMS5702134DZWTQQ1.pdf
- Description:
- IC MCU 16/32B 2MB FLASH 337NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,186
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Product details
Overview
TMS5702134DZWTQQ1 from Texas Instruments is a safety-certified 32-bit ARM Cortex-R4F microcontroller for automotive ASIL-D and IEC 61508 SIL-3 applications, featuring dual lockstep CPUs, 2MB flash with ECC, 256KB RAM with ECC, three DCAN controllers, two 12-bit MibADCs (24-channel total), and two N2HET timing coprocessors (32+18 channels). It operates at up to 180 MHz with 1.2 V core supply and 3.3 V I/O supply.
For engineers reviewing the TMS5702134DZWTQQ1 datasheet, TMS5702134DZWTQQ1 pinout, TMS5702134DZWTQQ1 application, or TMS5702134DZWTQQ1 equivalent, key selection considerations include ASIL-D compliance, integrated BIST and error signaling, FMPLL clocking with slip detection, EMIF support for external SDRAM, and trace/debug capabilities including ETM-R4 and RTP.
Technical Context
The TMS5702134DZWTQQ1 implements a dual-CPU lockstep architecture with hardware BIST for CPU and SRAM, ECC on flash and RAM, parity protection on peripheral memories, and loopback-capable I/O for fault containment. Its safety subsystem includes an Error Signaling Module (ESM) that drives the dedicated nERROR pin upon detected faults.
It integrates two Next Generation High-End Timer (N2HET) modules - N2HET1 with 32 programmable channels and N2HET2 with 18 - each paired with a dedicated HTU DMA engine and MPU, enabling deterministic real-time actuator control and sensor timestamping without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-R4F, 32-bit RISC with FPU, 1.66 DMIPS/MHz, up to 180 MHz (298 DMIPS) |
| Flash Memory | 2MB program flash with single-bit correction/double-bit detection (ECC), 64-bit bus, 3.3 V operation |
| RAM | 256KB data RAM with ECC, single-cycle access in byte/word/double-word modes |
| ADC | Two 12-bit MibADCs: ADC1 (24 channels), ADC2 (16 shared), 64-word parity-protected buffer each |
| N2HET Modules | N2HET1: 32 channels; N2HET2: 18 channels; each with HTU, MPU, and hardware angle generator |
| Communication | Three DCAN (CAN 2.0B, up to 1 Mbps), two SPI, three MibSPI, one LIN (v2.1), one SCI, one I2C (100/400 kbps) |
| Safety Features | Dual lockstep CPUs, CPU/RAM BIST, flash/RAM ECC, peripheral memory parity, ESM with nERROR pin |
Pinout & Package
The TMS5702134DZWTQQ1 is housed in a 337-ball NFBGA (ZWT) package, 16.0 mm × 16.0 mm, RoHS-compliant, with 0.8 mm ball pitch and thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| nERROR | Error signaling output | Active-low open-drain fault indicator driven by ESM; asserts on uncorrectable memory, CPU, or clock errors |
| VCCAD / VSSAD | Analog power/ground | 3.0–5.25 V analog supply domain for ADCs; isolated from digital domains to minimize noise coupling |
| AD1IN[0]–AD1IN[23] | ADC1 analog inputs | 24 dedicated or shared input pins supporting simultaneous sampling and group-triggered conversion sequences |
| N2HET1[0]–N2HET1[31] | N2HET1 I/O pins | 32 configurable pins for PWM generation, capture, compare, or GPIO; support hardware time-stamping and loopback test |
| DCAN1_TX / DCAN1_RX | CAN controller interface | Differential CAN bus transceiver interface compliant with ISO 11898-1; supports bit rates up to 1 Mbps |
| ECLK | External clock monitor output | Programmable-frequency output derived from VCLK; used externally to verify clock domain integrity and frequency stability |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-D Ready Architecture | Dual lockstep Cortex-R4F cores, ECC flash/RAM, BIST, ESM, and diagnostic software library certified per ISO 26262 |
| Real-Time Timing Coprocessor | N2HET1+N2HET2 provide 50 deterministic timing channels with HTU-based DMA transfers and MPU-enforced memory isolation |
| Functional Safety Debug | ETM-R4 instruction/data trace, RAM Trace Port (RTP), Data Modification Module (DMM), and Parameter Overlay Module (POM) enable runtime calibration without halting CPU |
| Robust Communication Stack | Three DCAN controllers with 64 mailboxes (parity-protected), LIN v2.1, and MibSPI with up to 6 chip selects per module |
| External Memory Expansion | 16-bit EMIF supporting SDRAM, asynchronous SRAM, FPGA interfaces, and boot-from-external-memory configurations |
Applications
| Braking Systems | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Real-time monitoring of wheel speed sensors, hydraulic pressure, and brake actuator position in ABS and ESC systems. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D firmware with lockstep CPU validation and error-signaled fault shutdown. Use Value: Enables <100 µs end-to-end latency for brake pressure modulation while maintaining full diagnostic coverage per ISO 26262 Part 5. |
Use Scenario: Closed-loop torque control of steering motor using resolver feedback, current sensing, and CAN-based driver assistance coordination. IC Role / Device Role / Timing Role: Real-time motor control unit with N2HET-driven PWM generation and synchronized ADC sampling of motor phase currents. Use Value: Achieves <5 µs jitter on PWM outputs and sub-microsecond timestamp alignment across 24 ADC channels for precise field-oriented control. |
| Battery Management Systems | Railway Communications |
Use Scenario: Cell voltage, temperature, and insulation monitoring in high-voltage traction battery packs for HEV/EV platforms. IC Role / Device Role / Timing Role: Safety-critical data acquisition and communication hub interfacing with isolated ADCs, CAN FD gateways, and HV contactors. Use Value: Supports redundant voltage measurement paths via dual MibADCs and ECC-protected flash storage of calibration data across 1000+ charge cycles. |
Use Scenario: Onboard train control unit managing ETCS Level 1/2 communications, door interlocking, and brake command arbitration over multiple CAN/LIN buses. IC Role / Device Role / Timing Role: SIL-3-certified central controller with triple-redundant CAN interfaces and deterministic N2HET-based watchdog supervision. Use Value: Meets EN 50128 SW-SIL3 requirements via built-in BIST, ESM-driven fail-safe state transitions, and traceable lifecycle documentation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS570LS3134ZWT | 3MB flash (vs. 2MB), same RAM, identical pinout and peripheral set; higher code density margin for complex diagnostics | Preferred where extended bootloader, dual-application partitioning, or larger safety library footprint is required | Select when >2MB flash is needed without changing PCB layout or firmware abstraction layer |
| SPC574S40E1 | Power Architecture e200z4, 200 MHz, 2MB flash, 256KB RAM, ASIL-D certified; no N2HET but includes eTPU and GTM timers | Better suited for legacy Power Architecture toolchains and applications requiring eTPU-based motor control waveforms | Choose when migrating from SPC56x or requiring GTM-based signal generation not available on N2HET |
Compared with TMS5702134DZWTQQ1, TMS570LS3134ZWT offers greater flash headroom for safety-certified code growth, while SPC574S40E1 provides alternative timer architecture and ecosystem compatibility-neither is pin-compatible, but both target overlapping ASIL-D functional safety domains.
Availability
TMS5702134DZWTQQ1 is available at Aetrix Electronics and suitable for braking systems, electric power steering, battery management systems, and railway communications requiring stable component supply across long-life automotive and industrial programs.
Supply support for TMS5702134DZWTQQ1 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 leader specializing in analog, embedded processing, and connectivity technologies, with deep expertise in automotive safety microcontrollers and functional safety certification.
The TMS570 family was designed specifically for ASIL-D and SIL-3 safety-critical real-time control applications-including chassis, powertrain, and battery systems-integrating hardware safety mechanisms and certified development tools.
FAQ
What safety certifications apply to the TMS5702134DZWTQQ1?
The TMS5702134DZWTQQ1 is qualified for automotive applications per AEC-Q100 Grade 1 (−40°C to 125°C) and supports ISO 26262 ASIL-D system-level implementation. TI provides certified safety libraries, FMEDA reports, and diagnostic software packages validated for use with TMS5702134DZWTQQ1 in safety-critical designs.
Does the TMS5702134DZWTQQ1 support external memory expansion?
Yes, the TMS5702134DZWTQQ1 includes a 16-bit External Memory Interface (EMIF) capable of connecting to SDRAM, asynchronous SRAM, FPGA peripherals, or boot ROM devices. The EMIF supports programmable wait states, burst transfers, and multiplexed address/data modes, enabling scalable memory architectures beyond on-chip limits.
How does the N2HET module enhance real-time performance in the TMS5702134DZWTQQ1?
The N2HET modules in the TMS5702134DZWTQQ1 offload precise timing tasks-including PWM generation, input capture, and GPIO sequencing-from the main CPU. With dedicated HTUs and MPUs, they execute deterministic operations independent of CPU load, achieving sub-microsecond jitter and eliminating interrupt latency bottlenecks in motor control and sensor fusion applications.
What is the role of the Error Signaling Module (ESM) in the TMS5702134DZWTQQ1?
The ESM in the TMS5702134DZWTQQ1 continuously monitors CPU lockstep mismatches, memory ECC errors, clock failures, and voltage violations. Upon detecting a fault, it can assert the dedicated nERROR pin, trigger a system reset, or generate an interrupt-enabling fail-safe responses within defined safety time constraints required for ASIL-D compliance.
Can the TMS5702134DZWTQQ1 be used with standard JTAG debug tools?
Yes, the TMS5702134DZWTQQ1 supports IEEE 1149.1 JTAG boundary scan and ARM CoreSight debug infrastructure. It is fully compatible with TI's XDS200/XDS560v2 emulators and third-party tools supporting Cortex-R4F, including real-time trace via ETM-R4 and non-intrusive memory access through DMM and RTP.
TMS5702134DZWTQQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 337-LFBGA
- Series:
- Hercules™ TMS570 ARM® Cortex®-R
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-R4F
- Core Size:
- 16/32-Bit
- Speed:
- 180MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, MibSPI, SCI, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 120
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.14V ~ 3.6V
- Data Converters:
- A/D 24x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TMS5702134DZWTQQ1 FAQ
1.How can I place an order for TMS5702134DZWTQQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS5702134DZWTQQ1 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 TMS5702134DZWTQQ1 reliable?
The price and inventory of TMS5702134DZWTQQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS5702134DZWTQQ1 is usually 5 days.
3.What payment methods are accepted for TMS5702134DZWTQQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS5702134DZWTQQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS5702134DZWTQQ1?
TMS5702134DZWTQQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS5702134DZWTQQ1 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 TMS5702134DZWTQQ1?
For technical support, including TMS5702134DZWTQQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS5702134DZWTQQ1 requirements.
6.How does Aetrix verify that TMS5702134DZWTQQ1 is sourced from the original manufacturer or authorized distributors?
All TMS5702134DZWTQQ1 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 TMS5702134DZWTQQ1 meets industry standards.
7.What is the process for return or replacement of TMS5702134DZWTQQ1?
All TMS5702134DZWTQQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TMS5702134DZWTQQ1, 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 TMS5702134DZWTQQ1 part is unused and in its original packaging.
Return procedure for TMS5702134DZWTQQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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