Tag-Connect, LLC
Tag Connect TC2030-CTX-NL-STDC14 Cable
Tag Connect TC2030-CTX-NL-STDC14 Cable
SKU: TC2030-CTX-NL-ST14
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Key Features
Overview
The Tag-Connect TC2030-CTX-NL-STDC14 is a professional 6-pin "No Legs" Plug-of-Nails™ programming cable engineered specifically for STM32 processors with STLINK-V3 and STLINK-V3MINI debuggers. This innovative cable features a 6-pin TC2030-NL Tag-Connector paired with a 14-pin ribbon connector that mates directly with the STDC14 (FTSH-107) style micro-header, providing all necessary signals for SWD protocol communication including SWO.
Space-Saving Design Excellence
The "No Legs" footprint dramatically saves over 66% of the board space compared to traditional FTSH-107 style micro-headers, requiring only a 0.02 square inch PCB footprint - approximately the size of an 0805 SMT resistor. This space efficiency makes it ideal for compact PCB designs where every millimetre counts.
Professional Production Benefits
This cable eliminates the need for expensive board-mounted connectors, reducing BOM costs on every production board whilst maintaining professional-grade reliability. The precision-engineered spring-pins are rated for over 100,000 operations, ensuring consistent performance throughout development and manufacturing cycles.
For development work requiring hands-free operation, consider pairing with the TC2030-CLIP retention clips. Engineers requiring the standard "legged" version should explore the TC2030-CTX-STDC14 variant, whilst those needing full 14-pin connectivity should consider the TC2070-IDC-NL-050 cable.
Downloads
Why Engineers Choose The Tag Connect TC2030-CTX-NL-STDC14 Cable
PCB Space Optimisation
Production Cost Reduction
Professional Development Efficiency
Pinout, footprint and wiring diagram: TC2030-CTX-STDC14 pinout.
Which cable fits your debugger? See our Tag-Connect cable guide.
| General Information | |
|---|---|
Part Number (SKU) |
TC2030-CTX-NL-ST14
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Manufacturer |
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| Physical and Mechanical | |
Weight |
0.1 kg
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| Other | |
EAN |
5055383665181
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Questions and Answers
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Can This Cable Be Used for Hands-free Debugging Operations?
Yes, with TC2030-CLIP retention boards from Debug Store. The clips attach to the alignment pins from underneath the PCB and hold the cable securely for long debugging sessions.
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What Development Environments Support This Programming Cable?
The cable is passive, so any STM32 tool that supports SWD should work with it, such as STM32CubeIDE, Keil uVision or IAR Embedded Workbench (our examples). With an STLINK-V3 it carries the SWD signals including SWO, so SWO trace is available if your tools support it. Debug features such as breakpoints, memory inspection and register access come from the debugger and IDE, not from the cable.
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How Does This Compare to More Expensive Alternatives Like Bed-of-nails Fixtures?
It is more flexible than a bed-of-nails fixture, though fixtures offer automation advantages for high-volume production (our advice). The TC2030-CTX-NL-STDC14 needs no fixture design time, reduces programming equipment investment and can be used across multiple PCB designs. Tag-Connect notes that TC2030 cables are themselves used in custom fixtures and bed-of-nails set-ups.
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What Is the Cable Length and Signal Integrity Performance?
Tag-Connect publishes neither a cable length nor a speed rating for the STDC14 cables, so we cannot quote either. As general reasoning (our advice), a short cable keeps reflections and crosstalk down. For the maximum SWD clock rate of your probe, check STMicroelectronics' STLINK-V3 documentation.
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Is the STDC14 Connector Compatible with Other Debugger Systems?
The STDC14 end is STMicroelectronics' connector, described by Tag-Connect as an STDC14 (FTSH-107 style) micro-header. Tag-Connect lists this cable for the STLINK-V3, STLINK-V3MINI and STLINK-V3SET. Being passive, it should fit any probe with the same STDC14 header. For other debuggers, consider Tag-Connect's standard ARM Cortex cables.
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What Is the Difference Between the TC2030-CTX-NL-STDC14 and Legged Variants?
The NL ("No Legs") version is held by hand or with retention clips, while legged variants snap into PCB holes. The NL version has the smallest footprint, which suits space-constrained designs and production programming.
NL (no legs) Legged Retention By hand, TC2030-CLIP or fixture Snaps into PCB holes Footprint Smallest Needs extra leg latch holes Suits Production programming, tight designs Development work -
Which STM32 Processors Are Compatible with This Programming Cable?
All STM32 families with SWD, when used with an STLINK-V3 or STLINK-V3MINI, according to Tag-Connect's STLINK-V3 page. The cable carries the SWD set including SWO:
Signal Pad VCC (voltage reference) 1 SWDIO 2 nRESET 3 SWCLK 4 GND 5 SWO 6 -
How Does the PCB Footprint Compare to Traditional Programming Connectors?
The TC2030-NL footprint saves over 66% of the board space needed by an FTSH-107 style micro-header, and it is about the size of an 0805 SMT resistor. That frees board space for other components.
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