Official 7Semi ARM-JTAG-20-10 – Plug-in Adapter (JTAG 20-Pin 0.1″ to 10-Pin 0.05″ Adapter 20 cm Cable)
₹699.00 Original price was: ₹699.00.₹395.00Current price is: ₹395.00. (Excl. 18% GST)
Price (Excl. GST): ₹395.00
Price (Incl. GST): ₹466.10
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Plug-in adapter compatible with ARM-USB-OCD/OCD-H/TINY/TINY-H for programming and debugging boards with small, 10-pin 0.05 inch step connectors
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Standard ARM JTAG layout for extensive compatibility
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Works seamlessly with Segger’s JLINK and other JTAG/SWD programmers/debuggers
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Compact size (25×25 mm) and 20 cm JTAG cable with 0.05 inch step for user-friendly application
1 in stock
27 in stock
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ARM microcontroller programming and debugging are made easier with the 7Semi ARM-JTAG-20-10 Plug-in Adapter, a compact and reliable interface designed to connect ARM-based target boards to industry-standard debugging tools. This adapter seamlessly links ARM microcontrollers to compatible devices such as ARM-USB-OCD, ARM-USB-OCD-H, ARM-USB-TINY, and ARM-USB-TINY-H, enabling smooth flashing, debugging, and in-circuit testing.
The adapter supports a JTAG 20-pin (0.1 inch) to 10-pin (0.05 inch) configuration, making it ideal for modern ARM development boards that use space-saving, fine-pitch connectors. Designed specifically for boards with tiny 10-pin 0.05-inch step connections, it follows the official ARM JTAG pinout layout, ensuring wide compatibility and correct signal mapping across platforms.
In addition to ARM-USB debuggers, the 7Semi ARM-JTAG-20-10 is compatible with a wide range of JTAG and SWD programmers/debuggers, including popular tools such as Segger J-LINK. This flexibility makes it suitable for embedded developers, students, training institutes, and professionals working on ARM Cortex-M, Cortex-R, and Cortex-A microcontroller projects.
With compact dimensions of 25 × 25 mm and a 20-centimetre JTAG ribbon cable featuring a 0.05-inch pitch, the adapter is both portable and practical. Its robust construction ensures stable signal transmission, which is essential for reliable debugging, breakpoint analysis, and firmware development. Whether used in complex embedded applications or compact hardware designs with limited connector space, the 7Semi ARM-JTAG-20-10 Plug-in Adapter delivers dependable performance and ease of use.
Pinout

Features
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Plug-in adapter for ARM-USB-OCD/OCD-H/TINY/TINY-H which allows boards with small 10-pin 0.05-inch step connector to be programmed/debugged.
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Standard ARM JTAG layout
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The adapter works fine with Segger’s JLINK and other JTAG/SWD programmers/debuggers.
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Dimensions 25×25 mm + 20 cm JTAG cable 0.05″step
Package Includes
- 1x Official 7Semi ARM-JTAG-20-10 – Plug-in Adapter




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