# Title: Tag-Connect ARM20-CTX - 20-Pin ARM to TC2030-IDC SWD Adapter ## Description: Professional 20-Pin ARM to 6-Pin SWD Adapter The ARM20-CTX adapter transforms standard 20-pin ARM debugger connections into the compact 6-pin Tag Connect TC2030 interface, saving 84% of PCB space whilst maintaining full SWD debugging capability. This adapter enables seamless integration between professional debuggers like Segger J-Link, ST-Link/V2, and PEmicro tools with space-constrained target boards. Wiring Quick-Start Standard Connection: 20-pin male connector → debugger, 6-pin IDC connector → TC2030 cable 20-Pin ARM Connector 6-Pin TC2030 Footprint Function Pin 1 (VCC) Pin 1 Target reference voltage Pin 7 (SWDIO/TMS) Pin 2 Serial wire data I/O Pin 15 (nRESET) Pin 3 Target reset signal Pin 9 (SWCLK/TCK) Pin 4 Serial wire clock Pins 4,6,8,10,12 (GND) Pin 5 Ground reference Pin 13 (SWO/TDO) Pin 6 Serial wire output (optional) PCB Integration: Target boards require TC2030 footprint (0.05" pitch) consisting of 6 contact pads and 3 alignment holes. No mating connector needed on PCB. Compatible Debuggers Segger J-Link (all models with 20-pin connector) ST-Link/V2 and ST-Link/V3SET PEmicro Multilink ACP and Universal/FX PEmicro Cyclone ARM and LC/FX Universal IAR I-Jet (requires ARM20-CTX-M variant) Keil ULINK Pro (requires ARM20-CTX-M variant) [Product connection diagram showing ARM20-CTX between J-Link and target board] Target Applications Ideal for ARM Cortex-M microcontrollers requiring SWD programming and debugging on space-constrained PCBs. Compatible with STM32, LPC, Kinetis, and other ARM Cortex-based devices. Enables production programming without dedicated connectors. ode class="language-c-c"> // Enable SWD debugging in target code void SystemInit(void) { // Ensure SWD pins remain enabled RCC->APB2ENR |= RCC_APB2ENR_AFIOEN; // Do not disable JTAG/SWD pins AFIO->MAPR &= ~AFIO_MAPR_SWJ_CFG; } ## Product type: Programmer Adapter ## Vendor: Tag-Connect, LLC ## Tags: 20-pin, Adapter, Cortex, Debugger Adapter, Programmer, Programmer Adapter, Tag Connect, tag-connect-llc ## Price range: 40.0 - 40.0 GBP ## Link: https://thedebugstore.com/products/tag-connect-arm20-ctx-20-pin-to-tc2030-idc-adapter-uk ## Options - 20-Pin IDC Type: Female (Standard), Male ## 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) - [Admin: No Inventory](https://thedebugstore.com/a/llms/collections/no-inventory) - [Device Programmer Adapters](https://thedebugstore.com/a/llms/collections/device-programmer-adapters-catalogue) - [Tag-Connect Programmer Adapters](https://thedebugstore.com/a/llms/collections/tag-connect-programmer-adapters-catalogue) - [Device Programmers](https://thedebugstore.com/a/llms/collections/device-programmer-types) - [Programmers](https://thedebugstore.com/a/llms/collections/programmers) ## Variants - Female (Standard), SKU: ARM20-CTX, Available: yes, Inventory: -2 - Male, SKU: ARM20-CTX-M, Available: yes, Inventory: 0 ## Metafields - description_tag: Transform a 20-pin ARM JTAG to a compact 6-pin TC2030 SWD with the Tag Connect ARM20-CTX adapter. Save 84% of PCB space while maintaining full debugging capability. Compatible with J-Link and ST-Link. Buy now at Debug Store. - title_tag: Tag-Connect ARM20-CTX — 20-Pin to TC2030-IDC SWD Adapter | Debug Store - manufacturer: Tag-Connect, LLC - warranty: 6 Months - amazon_enable: TRUE - amazon_title: Tag Connect ARM20-CTX 20-Pin to TC2030-IDC Adapter - amazon_product_type: computercomponent - amazon_block: FALSE - amazon_prime_enable: FALSE - amazon_search: Tag Connect ARM20-CTX Adapter - amazon_uk_price: 46.75 - amazon_uk_currency: GBP - amazon_de_currency: EUR - amazon_de_price: 52.8275 - amazon_fr_currency: EUR - amazon_fr_price: 52.8275 - amazon_es_currency: EUR - amazon_es_price: 52.8275 - amazon_nl_currency: EUR - amazon_nl_price: 52.8275 - amazon_it_currency: EUR - amazon_it_price: 52.8275 - amazon_se_curency: SEK - amazon_se_price: 532.95 - amazon_product_id: 5055383690756 - amazon_product_id_type: EAN - amazon_update: Update - amazon_short_description: The Tag-Connect ARM20-CTX adapter board allows the Tag-Connect TC2030-IDC cables to be used for ARM SWD (Single Wire Debug) applications. Although intended for use with our patented TC2030-IDC (and TC2030-IDC-NL) Plug-of-Nails™ Cables, the adapter may be useful to people wishing to use 6-pin 0.1” ribbon headers on their PCB instead of the traditional 20-Pin header.Note: Only the Adapter supplied. The TC2030-IDC or TC2030-IDC-NL cable is purchased separately, the cables and Segger JLINK seen in the picture are not included! - amazon_main_image: https://www.thedebugstore.com/images/product/lg-tag-connect-arm20-ctx-back.jpg - amazon_other_image_1: https://www.thedebugstore.com/images/product/lg-tag-connect-arm20-ctx-side.jpg - amazon_other_image_2: https://www.thedebugstore.com/images/product/lg-tag-connect-arm20-ctx-with-tc2030-idc.jpg - amazon_other_image_3: https://www.thedebugstore.com/images/product/Lg-Tag-Connect-TC2030-CTX-JLink.jpg - amazon_other_image_4: https://www.thedebugstore.com/images/product/Lg-Tag-Connect-TC2030-CTX-JLink.jpg - amazon_browse_node: 428655031 - related_products: TC2030-IDC,TC2030-IDC-NL,TC2030-CLIP,TC2030-CLIP-3PACK - mpn: ARM20-CTX - backorder_label: If no stock is shown above, order now and we'll ship within 10 working days. - attachment_url_1: https://thecontrol.store/files/attachments/9172/Data-Sheet-Tag-Connect-ARM20-CTX.pdf - attachment_title_1: Tag Connect ARM20-CTX Datasheet - google_product_category: 2082 - condition: new - custom_product: false - mpn: ARM20-CTX - google_product_category: Electronics - custom_label_0: Programmer Adapter - myordercount: {"ordercount":19,"recentcount":1} - warranty: 6 months - brand: Tag Connect - key_feature_1: Professional 20-pin ARM JTAG to 6-pin TC2030 SWD interface adapter for ARM Cortex microcontrollers - manufacturer: Tag-Connect, LLC - badge: - widget:

Customer Reviews

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M
Michael Berman
Fast and efficient

Devices arrived quickly and in good condition

J
James Sweet

Tag Connect ARM20-CTX 20-Pin to TC2030-IDC Adapter

- brands: gid://shopify/Metaobject/56257806559 - breadcrumbs: ["gid://shopify/Collection/269202686141","gid://shopify/Collection/447917162719","gid://shopify/Collection/447953600735"] - customhs_code: 847180 - country_of_origin: united-states-of-america - rating: {"scale_min":"1.0","scale_max":"5.0","value":"5.0"} - rating_count: 2 - why_people_choose_3_title: Professional Development Workflow - why_people_choose_2_title: Production Cost Reduction - why_people_choose_1_title: PCB Design Efficiency - why_people_choose_1: Eliminates bulky 20-pin connectors, freeing precious board space for additional functionality and enabling compact product designs. - why_people_choose_3: Maintains full SWD debugging capability with industry-standard tools whilst enabling modern compact PCB footprint implementations. - why_people_choose_2: Removes expensive mating connector components from PCB assembly, reducing bill-of-materials costs across high-volume manufacturing runs. - 1561901: Does ARM20-CTX carry all JTAG signals?***SIMP***No—it is intended for SWD. For full JTAG via Tag-Connect, use TC2050-ARM2010. - 1561903: When would I use ARM20-CTX-M instead?***SIMP***Choose ARM20-CTX-M when your debugger’s 20-pin female ribbon can’t be removed or you need a male extension (e.g., Lauterbach). - key_feature_2: 84% PCB Space Reduction - key_feature_2_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Converts bulky 20-pin ARM connector to ultra-compact TC2030 footprint measuring just 0.02 square inches - equivalent to 0805 resistor space.","italic":true}]}]} - key_feature_3: Universal ARM Cortex Compatibility - key_feature_3_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Works seamlessly with all ARM Cortex-M processors supporting SWD protocol, ensuring broad microcontroller development platform compatibility."}]}]} - key_feature_4: Professional Debugger Support - key_feature_4_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Compatible with Segger J-Link, ST-LINK V2/V3, PEmicro Cyclone, and other industry-standard ARM SWD programming tools."}]}]} - key_feature_5: Complete SWD Signal Mapping - key_feature_5_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Provides full Serial Wire Debug functionality mapping SWDIO, SWCLK, nRESET, and SWO signals for comprehensive debugging capabilities."}]}]} - key_feature_6: Patented Plug-of-Nails Technology - key_feature_6_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Utilises Tag-Connect's proven spring-loaded pogo pin system rated for 100,000 operations, eliminating PCB connector costs entirely."}]}]} - key_feature_7: Production Programming Optimised - key_feature_7_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Enables rapid hand-held programming operations or automated test fixture integration for efficient high-volume manufacturing workflows."}]}]} - key_feature_8_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"Requires only PCB pads and alignment holes, eliminating mating connector components and reducing bill-of-materials expense per board."}]}]} - key_feature_8: Zero Board Component Cost - 1565801: What debuggers are compatible with the ARM20-CTX adapter?***SIMP***The ARM20-CTX is compatible with Segger J-Link, ST-LINK/V2, ST-LINK/V3, PEmicro Cyclone Universal, PEmicro Multilink, and other ARM SWD debuggers featuring standard 20-pin 0.1" male IDC connectors. - 1565802: Which ARM microcontrollers support the ARM20-CTX SWD interface?***SIMP***All ARM Cortex-M series processors support SWD protocol, including STM32, NXP LPC/Kinetis, Atmel SAM, Nordic nRF, Silicon Labs EFM32, and Cypress PSoC microcontrollers with SWD capability. - 1565803: How much PCB space does the TC2030 footprint require compared to traditional connectors?***SIMP***The TC2030 footprint measures just 0.02 square inches (equivalent to an 0805 resistor), providing 84% space savings versus traditional 20-pin ARM connectors and 66% savings versus 10-pin Cortex headers. - 1565804: Can the ARM20-CTX provide power to target boards during programming?***SIMP***Yes, the adapter passes through VCC from the debugger's 20-pin connector, enabling target board power supply during programming and debugging operations when supported by the connected debugger. - 1565805: What cables are required to use the ARM20-CTX adapter?***SIMP***The adapter requires a separate TC2030-IDC (legged) or TC2030-IDC-NL (no-legs) cable to connect to target PCBs. These cables are sold separately and available from Debug Store's Tag-Connect range. - 1565806: Is the ARM20-CTX suitable for high-volume production programming?***SIMP***Absolutely. The TC2030 interface enables rapid hand-held programming or integration into automated test fixtures, with pogo pins rated for over 100,000 connection cycles for reliable production use. - 1565807: How does the ARM20-CTX compare to more expensive solutions like SEGGER J-Link BASE?***SIMP***Whilst premium solutions like J-Link BASE offer additional features and software integration, the ARM20-CTX provides identical SWD programming functionality at significantly lower cost, making it ideal for budget-conscious professional development. - 1565808: What is the difference between ARM20-CTX and ARM20-CTX-M adapters?***SIMP***The standard ARM20-CTX features a male 20-pin connector for debuggers like Segger J-Link, whilst the ARM20-CTX-M has a female connector specifically designed for Lauterbach programmers and similar equipment. - 1565809: Can I use standard JTAG signals with the ARM20-CTX adapter?***SIMP***The ARM20-CTX is optimised for SWD protocol only. For full JTAG functionality including TDI/TDO signals, consider the TC2050-ARM2010 adapter with 10-pin TC2050 cables for complete traditional ARM JTAG support. - 1565810: What technical documentation is available for implementing TC2030 footprints?***SIMP***Tag-Connect provides comprehensive datasheets, PCB layout guidelines, and CAD library files for implementing TC2030 footprints. Debug Store supplies all relevant documentation with adapter purchases to ensure successful implementation. - summary:

Professional ARM Cortex SWD Programming Adapter

The Tag Connect ARM20-CTX adapter bridges the gap between traditional 20-pin ARM JTAG debuggers and modern compact TC2030 footprints, enabling efficient Serial Wire Debug (SWD) programming for ARM Cortex microcontrollers. This professional interface adapter eliminates the need for bulky traditional connectors whilst maintaining full SWD functionality.

Significant PCB Space Savings

By converting from a standard 20-pin 0.1" ARM connector to Tag-Connect's patented 6-pin TC2030 Plug-of-Nails™ footprint, engineers achieve an impressive 84% reduction in PCB real estate. The TC2030 footprint occupies merely 0.02 square inches - approximately the same space as an 0805 resistor.

Compatible Debugging Solutions

The ARM20-CTX works seamlessly with popular debugging platforms including Segger J-Link, ST-LINK/V2, ST-LINK/V3, PEmicro Cyclone Universal, and other ARM Cortex SWD-compatible debuggers. The adapter maps essential SWD signals: SWDIO, SWCLK, nRESET, and SWO to the compact TC2030 interface.

For enhanced functionality, pair with TC2030-IDC legged cables for secure debugging connections, or TC2030-IDC-NL no-legs variants for rapid production programming. Consider the complementary ARM20-CTX-M for Lauterbach programmers requiring female IDC connections.

This adapter represents the optimal solution for professional embedded developers seeking to reduce PCB costs, save board space, and maintain reliable SWD debugging capabilities across ARM Cortex-M processor designs.