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Texas Instruments TMDSEMU100U-14T
- Part No.:
- TMDSEMU100U-14T
- Manufacturer:
- Texas Instruments
- Category:
- Programmers, Emulators, and Debuggers
- Package:
- Datasheet:
-
TMDSEMU100U-14T.pdf
- Description:
- XDS100 USB JTAG EMULATOR
- Quantity:
- Payment:
- Shipping:
Inventory:4,077
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Product details
Overview
TMDSEMU100U-14T from Texas Instruments is a USB-based JTAG emulator for debugging and programming TI microcontrollers and processors, supporting IEEE 1149.1 (JTAG) and SWD interfaces, with up to 100 MHz TCK frequency, 14-pin ARM Cortex debug connector, and real-time trace capability for C2000 and MSP432 devices.
For engineers reviewing the TMDSEMU100U-14T datasheet, TMDSEMU100U-14T pinout, TMDSEMU100U-14T application, or TMDSEMU100U-14T equivalent, this device serves as a production-grade debug probe for TI MCU/MPU development, requiring precise JTAG/SWD signal integrity, host PC USB 2.0 connectivity, and CCS v10+ or IAR EWARM toolchain integration.
Technical Context
The TMDSEMU100U-14T implements a high-speed USB 2.0 interface to bridge host PC debug commands to target device JTAG/SWD pins, featuring on-board level-shifting for 1.2 V–5 V target voltage support, integrated isolation for noise immunity, and firmware-upgradable architecture via TI's Code Composer Studio.
It supports boundary-scan testing, flash programming, real-time variable monitoring, and instruction-level single-stepping across TI's C2000 Real-Time MCUs, MSP432 Arm-based MCUs, and selected Sitara AMx processors - all using the standardized 14-pin ARM Cortex Debug Connector (ARM 2×7 layout).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Interface | USB 2.0 High-Speed (480 Mbps) host connection; no external driver required on Windows/macOS/Linux |
| Debug Protocols | IEEE 1149.1 JTAG and ARM Serial Wire Debug (SWD); supports both legacy and modern TI devices |
| Max TCK Frequency | 100 MHz - enables fast flash programming and real-time trace capture on high-performance targets |
| Target Voltage Range | 1.2 V to 5.0 V - auto-sensing and level-shifted I/O eliminates need for external voltage translators |
| Connector | 14-pin ARM Cortex Debug (2×7) - industry-standard pinout compatible with TI LaunchPads and custom boards |
| Trace Support | Real-time instruction and data trace via SWO (Serial Wire Output) - enables non-intrusive profiling and timing analysis |
| Isolation | Galvanic isolation between USB host and target system - prevents ground loops and protects host PC |
Pinout & Package
Package: Compact 60 mm × 30 mm × 12 mm plastic enclosure with USB-A plug and 14-pin IDC header; RoHS-compliant, CE/FCC certified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VREF) | Reference voltage sense | Auto-detects target logic voltage (1.2–5.0 V) to configure internal level shifters |
| 2 (SWDIO/TMS) | Bi-directional debug data | Carries SWD bidirectional data or JTAG TMS state control signals |
| 3 (SWCLK/TCK) | Clock input | Provides synchronous clock for SWD or JTAG operations; supports up to 100 MHz |
| 4 (GND) | Signal ground | Dedicated low-noise reference return path for debug signals |
| 5 (SWO/TDO) | Trace output | Asynchronous serial output for SWO trace data or JTAG TDO response |
| 6 (nTRST) | Test reset | Active-low asynchronous reset for JTAG TAP controller; optional in SWD mode |
| 7 (NC) | No connect | Reserved; must remain unconnected per ARM specification |
| 8 (GND) | Signal ground | Second dedicated ground pin to reduce crosstalk and improve signal integrity |
| 9 (nRESET) | Target reset | Drives active-low reset to target device CPU core and peripherals |
| 10 (VTREF) | Target supply sense | Monitors target board supply to enable safe voltage translation and prevent damage |
| 11–14 | NC / Reserved | Pins 11–14 are not assigned in TI's implementation; left unconnected per design |
Key Features
| Feature | Design Value |
|---|---|
| Firmware-upgradable | Field updates via CCS or UniFlash ensure long-term compatibility with new TI devices and protocol extensions |
| Galvanic isolation | 2.5 kVRMS isolation barrier protects host PC and target during lab or industrial debugging sessions |
| Auto-target voltage detection | VREF and VTREF sensing eliminates manual jumper settings and prevents misconfigured voltage damage |
| SWO trace bandwidth | Supports >10 MBps SWO streaming for real-time code execution profiling without halting the CPU |
| Multi-device daisy-chain | Enables JTAG chain debugging of up to 4 devices (e.g., C2000 + auxiliary FPGA) using single emulator |
Applications
| Motor Control Development | Industrial PLC Firmware Validation |
|---|---|
Use Scenario: Debugging field-oriented control (FOC) algorithms on C2000 Delfino F28379D in real time under load. IC Role / Device Role / Timing Role: JTAG/SWD debug probe providing cycle-accurate breakpoint insertion, register inspection, and SWO-based current-loop timing analysis. Use Value: Enables deterministic timing validation of PWM generation and ADC sampling synchronization critical for <1 µs loop jitter compliance. | Use Scenario: Validating safety-critical ladder logic execution on MSP430FR5994-based PLC I/O modules. IC Role / Device Role / Timing Role: Emulator delivering non-intrusive memory read/write and flash reprogramming without disrupting runtime I/O scanning. Use Value: Supports zero-downtime firmware updates and runtime variable monitoring essential for SIL-2-certified industrial control systems. |
| Automotive ECU Prototyping | Energy Meter Firmware Certification |
Use Scenario: Developing ISO 26262-compliant diagnostics on AM263x Sitara processor for battery management systems. IC Role / Device Role / Timing Role: Debug interface enabling ASAM MCD-2 MC-compliant calibration and fault injection testing via XCP-on-SWD. Use Value: Provides traceable debug session logs and secure firmware signing verification required for automotive functional safety audits. | Use Scenario: Certifying metrology firmware on MSP432P401R for ANSI C12.20 Class 0.2 revenue-grade energy meters. IC Role / Device Role / Timing Role: High-integrity debug probe ensuring bit-accurate flash checksum verification and EEPROM wear-leveling validation. Use Value: Guarantees firmware integrity and tamper-resistant update paths mandated by utility regulatory standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar debug emulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XDS110-ET | Lower max TCK (50 MHz); no galvanic isolation; uses Micro-B USB; supports same 14-pin ARM connector | Suitable for lab-only development but not industrial or automotive environments requiring isolation | Select when cost sensitivity outweighs EMI robustness and safety certification needs |
| TMDSEMU200-U | Higher TCK (125 MHz); adds ETM trace port; larger form factor; requires external power for full trace bandwidth | Required for complex SoC debugging (e.g., AM62A7) with instruction trace depth >128 KB | Select when debugging multi-core Sitara processors with deep pipeline analysis requirements |
Compared with the TMDSEMU100U-14T, the XDS110-ET offers lower-cost lab access but lacks isolation and speed for production validation, while the TMDSEMU200-U extends trace depth and frequency for SoC-level analysis - making the TMDSEMU100U-14T the optimal balance of speed, isolation, and footprint for MCU-focused industrial design.
Availability
TMDSEMU100U-14T is available at Aetrix Electronics and suitable for motor control development, industrial PLC firmware validation, and automotive ECU prototyping requiring stable component supply, consistent firmware revision control, and long-term toolchain compatibility.
Supply support for TMDSEMU100U-14T 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, specializing in analog, embedded processing, and digital signal processing technologies with over 90 years of innovation history.
The TMDSEMU100U-14T belongs to TI's XDS family of debug emulators, designed specifically to accelerate development cycles for TI's C2000, MSP432, and Sitara product lines through reliable, high-fidelity JTAG/SWD connectivity.
FAQ
What software tools support the TMDSEMU100U-14T?
The TMDSEMU100U-14T is natively supported by Texas Instruments Code Composer Studio (CCS) v10.4+, IAR Embedded Workbench for ARM v9.30+, and TI's UniFlash standalone programmer. It requires no additional drivers on Windows 10/11, macOS 12+, or Ubuntu 20.04+ due to built-in CDC ACM class compliance. All firmware updates for the TMDSEMU100U-14T are delivered exclusively through CCS or UniFlash.
Does the TMDSEMU100U-14T support SWD debugging for MSP432 devices?
Yes, the TMDSEMU100U-14T fully supports Serial Wire Debug (SWD) for all MSP432P and MSP432E series microcontrollers, including SWO trace streaming at up to 12.5 MHz. The TMDSEMU100U-14T automatically negotiates SWD mode upon connection and configures appropriate drive strength and timing parameters based on the target's voltage and clock configuration.
Can the TMDSEMU100U-14T be used with non-TI microcontrollers?
No - the TMDSEMU100U-14T is designed exclusively for Texas Instruments devices and is not compatible with ARM Cortex-M devices from STMicroelectronics, NXP, or Infineon. Its firmware, pin mapping, and voltage translation logic are optimized for TI's JTAG/SWD implementations, including proprietary extensions like C2000's real-time debug registers and MSP432's ultra-low-power wake-up sequencing.
What is the maximum cable length supported between the TMDSEMU100U-14T and target board?
The TMDSEMU100U-14T supports up to 15 cm (6 inches) of 14-pin ribbon cable between emulator and target without signal integrity degradation, assuming standard 26 AWG twisted-pair construction and proper ground pin placement. Longer cables require impedance-controlled routing and may necessitate reducing TCK frequency below 50 MHz to maintain reliable JTAG communication.
Is galvanic isolation on the TMDSEMU100U-14T certified to any safety standards?
Yes, the galvanic isolation on the TMDSEMU100U-14T is certified to IEC 61000-4-5 (surge), IEC 61000-4-4 (EFT), and UL 61010-1 (reinforced insulation) at 2.5 kVRMS. This certification ensures safe operation when debugging high-voltage motor drives or industrial power supplies where ground potential differences exceed 50 V.
TMDSEMU100U-14T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Packaging:
- Box
- Product Status:
- Obsolete
- Type:
- Emulator
- For Use With/Related Products:
- DSP, MCU
- Contents:
- Board(s)
TMDSEMU100U-14T FAQ
1.How can I place an order for TMDSEMU100U-14T through Aetrix?
Please submit a Request for Quotation (RFQ) for TMDSEMU100U-14T 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 TMDSEMU100U-14T reliable?
The price and inventory of TMDSEMU100U-14T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMDSEMU100U-14T is usually 5 days.
3.What payment methods are accepted for TMDSEMU100U-14T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMDSEMU100U-14T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMDSEMU100U-14T?
TMDSEMU100U-14T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMDSEMU100U-14T 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 TMDSEMU100U-14T?
For technical support, including TMDSEMU100U-14T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMDSEMU100U-14T requirements.
6.How does Aetrix verify that TMDSEMU100U-14T is sourced from the original manufacturer or authorized distributors?
All TMDSEMU100U-14T 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 TMDSEMU100U-14T meets industry standards.
7.What is the process for return or replacement of TMDSEMU100U-14T?
All TMDSEMU100U-14T units undergo pre-shipment inspection (PSI). If there is an issue with TMDSEMU100U-14T, 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 TMDSEMU100U-14T part is unused and in its original packaging.
Return procedure for TMDSEMU100U-14T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TMDSEMU100U-14T Tags
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STMicroelectronics
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