# Title: Tag Connect TC2050-IDC-050-ALL-20 Programming Cable ## Description: Professional Programming Cable for ARM Cortex Debugging The Tag Connect TC2050-IDC-050-ALL-20 cable eliminates the need for expensive programming headers on your PCB whilst providing reliable JTAG and SWD debugging capabilities. This professional-grade cable connects directly to a minimal footprint on your target board, saving both cost and space on every PCB. Direct PCB Connection - No Header Required The spring-loaded pogo pins make secure contact with your PCB pads through precise alignment holes. The "with legs" design features retaining clips that lock the cable in place during debugging sessions, eliminating the need to hold the cable manually whilst setting breakpoints or stepping through code. TC2050 cable connected to PCB showing secure connection ULINK2 & ARM Cortex Compatibility Designed specifically for ARM Keil ULINK2 debuggers and similar tools using the Samtec FTSH-110-01 style 20-pin 0.050" pitch micro-header. The cable connects pins 1-10 from the TC2050 footprint to pins 1-10 of the 20-pin connector, with pins 11-20 left unconnected as per standard ARM debugging protocols. Pin Signal Description 1 VCC Target reference voltage 2 SWDIO/TMS Serial Wire Debug I/O / JTAG Test Mode Select 3 GND Ground 4 SWCLK/TCK Serial Wire Clock / JTAG Test Clock 5 GND Ground 6 SWO/TDO Serial Wire Output / JTAG Test Data Out 7 KEY Keying (no pin) 8 TDI/NC JTAG Test Data In / Not Connected 9 GND Ground 10 nRESET Target reset (active low) Wiring Quick-Start PCB footprint requirements: Pad diameter: 0.0197" (0.5mm) Hole diameter: 0.0138" (0.35mm) for alignment pins Pad spacing: 0.050" (1.27mm) between rows Footprint area: 0.35" x 0.125" (8.9mm x 3.2mm) Important: Ensure your PCB thickness is between 0.032" (0.8mm) and 0.093" (2.4mm) for proper pin engagement. For thicker PCBs, consider the TC2050-IDC-LONGLEGS variant. Connect the 20-pin IDC connector to your ULINK2 debugger with pin 1 aligned to the red stripe on the ribbon cable. The TC2050 end aligns with your PCB footprint using the three precision guide holes. ## Product type: Cable ## Vendor: Tag-Connect, LLC ## Tags: 10-Pin, 10-way, ARM Cortex, Cable, Programmer, Tag Connect, tag-connect-llc, Test Cable ## Price range: 68.0 - 68.0 GBP ## Link: https://thedebugstore.com/products/tag-connect-tc2050-idc-050-all-20-cable ## Options - Title: Default Title ## Collections - [New Products](https://thedebugstore.com/a/llms/collections/new-products-debug-store) - [Tag-Connect LLC](https://thedebugstore.com/a/llms/collections/tag-connect-catalogue) - [Test Cables](https://thedebugstore.com/a/llms/collections/test-cables-catalogue) - [Device Programmer Cables](https://thedebugstore.com/a/llms/collections/device-programmer-cables-catalogue) - [Tag-Connect Pogo Cables](https://thedebugstore.com/a/llms/collections/tag-connect-pogo-cables-catalogue) - [10-Pin Tag-Connect Cables](https://thedebugstore.com/a/llms/collections/10-pin-tag-connect-cables-tc2050-catalogue) - [ARM Cortex Tag-Connect Cables](https://thedebugstore.com/a/llms/collections/arm-cortex-tag-connect-cables-catalogue) - [Device Programmers](https://thedebugstore.com/a/llms/collections/device-programmer-types) - [Programmers](https://thedebugstore.com/a/llms/collections/programmers) ## Variants - Default Title, SKU: TC2050-IDC-050-ALL-20, Available: yes, Inventory: 3 ## Metafields - description_tag: Professional Tag Connect programming cable for ULINK2 debuggers. Eliminates PCB headers, saves space. ARM Cortex compatible. Order now! - title_tag: Tag Connect TC2050-IDC-050-ALL-20 ULINK2 Programming Cable | Debug Store - manufacturer: Tag-Connect, LLC - warranty: 6 Months - amazon_enable: TRUE - amazon_title: Tag Connect TC2050-IDC-050-ALL-20 Cable - amazon_product_type: computercomponent - amazon_block: FALSE - amazon_prime_enable: FALSE - amazon_search: Tag-Connect - amazon_uk_price: 65.945 - amazon_uk_currency: GBP - amazon_de_currency: EUR - amazon_de_price: 74.51785 - amazon_fr_currency: EUR - amazon_fr_price: 74.51785 - amazon_es_currency: EUR - amazon_es_price: 74.51785 - amazon_nl_currency: EUR - amazon_nl_price: 74.51785 - amazon_it_currency: EUR - amazon_it_price: 74.51785 - amazon_se_curency: SEK - amazon_se_price: 751.773 - amazon_product_id: 5055383665464 - amazon_product_id_type: EAN - amazon_update: Update - amazon_short_description: 10-pin Plug-of-Nails™ “With Legs” connector to 20-pin 0.050″ pitch ribbon connector suitable for ULINK2 and similar debuggers that use the Samtec FTSH-110-01 style micro-header. - amazon_long_description:

The TC2050-IDC-050-ALL-20 programming cable has an 0.050″ pitch ribbon connector suitable for ULINK2 and similar debuggers that use the Samtec FTSH-110-01 style micro-header.

The pin connections are 1-1 and pins 1-10 are connected, pins 11-20 are not connected in the cable.

Please refer to TC2050-IDC datasheet for the PCB footprint information

- amazon_main_image: https://www.thedebugstore.com/images/product/lg-tag-connect-tc2050-idc-050-all-20-cable-connectors-416x277.jpg - amazon_other_image_1: https://www.thedebugstore.com/images/product/lg-tag-connect-tc2050-idc-050-all-20-cable-connectors-top-416x277.jpg - amazon_other_image_2: https://www.thedebugstore.com/images/product/lg-tag-connect-tc2050-idc-050-all-20-cable-connectors-top-416x277.jpg - amazon_browse_node: 428655031 - mpn: TC2050-IDC-050-ALL-20 - backorder_label: If no stock is shown above, order now and we'll ship within 10 working days. - google_product_category: 270 - condition: new - custom_product: false - mpn: TC2050-IDC-050-ALL-20 - google_product_category: Electronics - custom_label_0: Cable - myordercount: {"ordercount":2,"recentcount":2} - warranty: 6 months - brand: Tag Connect - key_feature_1: Professional programming cable connecting TC2050 footprint to ULINK2 ARM debuggers via 0.050" pitch connector. - manufacturer: Tag-Connect, LLC - badge: - widget:

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- brands: gid://shopify/Metaobject/56257806559 - breadcrumbs: ["gid://shopify/Collection/269202686141"] - customhs_code: 854442 - detailed_description: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"The TC2050-IDC-050-ALL-20 programming cable has an 0.050″ pitch ribbon connector suitable for ULINK2 and similar debuggers that use the Samtec FTSH-110-01 style micro-header."}]},{"type":"paragraph","children":[{"type":"text","value":"The pin connections are 1-1 and pins 1-10 are connected, pins 11-20 are not connected in the cable."}]},{"type":"paragraph","children":[{"type":"text","value":"Please refer to TC2050-IDC datasheet for the PCB footprint information"}]}]} - summary:

The Tag Connect TC2050-IDC-050-ALL-20 represents a space-saving solution for ARM Cortex development, eliminating traditional programming headers whilst maintaining full debugging capability. This legged variant provides secure connection during extended debugging sessions through integrated retention clips.

Compatible with ARM Keil ULINK2, IAR I-JET, and other debuggers featuring Samtec FTSH-110-01 style connectors. The cable maintains 1:1 pin mapping for the first ten connections, optimising signal integrity for JTAG and SWD protocols.

Engineers choose this solution when PCB space is premium but robust debugging access remains essential. The spring-pin technology delivers over 100,000 connection cycles, making it suitable for both development and production programming scenarios.

Related products: TC2050-IDC-NL-050-ALL-20 No Legs variant and TC2050-ARM2010 adapter for standard 20-pin JTAG interfaces.

- key_feature_2: Eliminates PCB programming headers completely - key_feature_2_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Saves cost and board space on every PCB by using direct spring-pin contact"}]}]} - key_feature_3: Secure retention clips for hands-free debugging - key_feature_3_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Integrated legs lock cable in place during breakpoint setting and code stepping"}]}]} - key_feature_4: ULINK2 compatible 0.050" pitch connector - key_feature_4_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Direct connection to Samtec FTSH-110-01 style micro-headers on ARM debuggers"}]}]} - key_feature_5: Spring pins rated for 100,000+ cycles - key_feature_5_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Professional-grade pogo pins ensure reliable contact over extended use"}]}]} - key_feature_6: Minimal 0.35" x 0.125" PCB footprint - key_feature_6_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Requires only pads and alignment holes, no height above PCB surface"}]}]} - key_feature_7: Supports both JTAG and SWD protocols - key_feature_7_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Compatible with ARM Cortex-M debugging standards for maximum flexibility"}]}]} - key_feature_8_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Unlike the standard TC2050-IDC-050, this variant connects all pins, including TDI"}]}]} - key_feature_8: All 10 pins connected for full functionality - why_people_choose_3_title: Development Efficiency - why_people_choose_2_title: Production Programming - why_people_choose_1_title: Space-Critical Designs - why_people_choose_1: Eliminates bulky programming headers whilst maintaining full debug access - why_people_choose_3: Retention clips enable hands-free debugging and breakpoint setting sessions - why_people_choose_2: Robust spring pins withstand repeated connections in manufacturing environments - 1571023: What debuggers are compatible with the TC2050-IDC-050-ALL-20 cable?***SIMP***This cable works with ARM Keil ULINK2, IAR I-JET, ARM ULINK Pro, and any debugger using Samtec FTSH-110-01 style 20-pin 0.050" pitch connectors. - 1571024: How does this differ from the standard TC2050-IDC-050 cable?***SIMP***The TC2050-IDC-050-ALL-20 connects all 10 pins including TDI (pin 8), whereas the standard version leaves pins 5 and 9 unconnected. This provides full JTAG functionality. - 1571025: What PCB thickness range is supported?***SIMP***The standard cable supports PCB thicknesses from 0.032" to 0.093" (0.8mm to 2.4mm). For thicker boards, use the TC2050-IDC-LONGLEGS variant. - 1571026: Can I use this cable with STM32 microcontrollers?***SIMP***Yes, this cable supports ARM Cortex-M debugging including STM32 devices. Ensure your debugger supports the 0.050" pitch connector interface. - 1571028: What's the difference between legged and no-legs versions?***SIMP***The legged version (this cable) has retention clips for secure hands-free connection. The no-legs version requires manual holding or the TC2050-CLIP accessory. - 1571029: How do I create the PCB footprint for this cable?***SIMP***Download the official TC2050-IDC datasheet from Tag-Connect for precise pad dimensions, hole sizes, and spacing requirements for your PCB design. - 1571030: Is this cable suitable for production programming?***SIMP***Yes, the spring pins are rated for over 100,000 operations, making it suitable for high-volume production programming scenarios. - 1571031: Can I use this with 3.3V target systems?***SIMP***Yes, the cable supports target voltages from 1.65V to 5.5V. Pin 1 provides voltage reference to the debugger, not power supply. - 1571032: What signals are available on the TC2050 footprint?***SIMP***The footprint provides VCC reference, SWDIO/TMS, SWCLK/TCK, SWO/TDO, TDI, nRESET, and multiple ground connections for comprehensive debugging. - 1571033: How does this compare to traditional 20-pin JTAG headers?***SIMP***This solution eliminates the connector cost and 0.9" x 0.6" board space required by traditional headers whilst providing identical debugging functionality.