embedded:j-link_tagconnect_swd_adapter
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embedded:j-link_tagconnect_swd_adapter [2017/07/19 16:15] lubos |
embedded:j-link_tagconnect_swd_adapter [2018/03/01 16:17] lubos |
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| ====== Using TagConnect adapter for SWD interface ====== | ====== Using TagConnect adapter for SWD interface ====== | ||
| - | Some years ago in 8-bit times when I was AVR fan, I have been aware sleek, low-footprint [[http://tag-connect.com/Materials/TC2030-IDC.pdf|TagConnect]] Pogo pin interface for Programming and Debuging the MCUs, initially Microchip's PIC series, which made me a bit jealous and highly motivated me in buying them. It has [[http://www.tag-connect.com/legs-or-no-legs|two footprints]]: legged and no-legs (-NL suffix). The bigger one has hooks for holding in place, which is for comfortable debugging. | + | Some years ago in 8-bit times when I was AVR fan, I have been aware sleek, low-footprint [[http://tag-connect.com/Materials/TC2030-IDC.pdf|TagConnect]] Pogo pin interface for Programming and Debuging the MCUs, initially Microchip's PIC series, which made me a bit jealous and highly motivated me in buying them. It has [[http://www.tag-connect.com/legs-or-no-legs|two footprints]]: [[http://www.tag-connect.com/TC2030-MCP|legged]] and [[http://www.tag-connect.com/TC2030-MCP-NL|no-legs]] (-NL suffix). The bigger one has hooks for holding in place, which is for comfortable debugging. |
| [[http://www.tag-connect.com/TC2030-IDC|{{:embedded:j-link-6-pin-adapter-connector-pins_360x.jpg}}]] | [[http://www.tag-connect.com/TC2030-IDC|{{:embedded:j-link-6-pin-adapter-connector-pins_360x.jpg}}]] | ||
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| As you can see, the board contains selectable 1117-style 3.3V/0.3A LDO, as well as all JTAG pins placed conveniently on a header, which may be nice to have. Heck, you can even ignore the TagConnect and use the board as a PSU + debug interface. | As you can see, the board contains selectable 1117-style 3.3V/0.3A LDO, as well as all JTAG pins placed conveniently on a header, which may be nice to have. Heck, you can even ignore the TagConnect and use the board as a PSU + debug interface. | ||
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| + | ===== Powering the target board externally ===== | ||
| + | |||
| + | The board has now external power. To enable the power permanently, follow this procedure (probably Windows only): | ||
| + | * Connect J-Link to the PC via USB | ||
| + | * Start J-Link Commander (JLink.exe) | ||
| + | * Enter the "power on perm" command without quotes to enable target power by default. | ||
| + | |||
| + | ===== Board available for sale ====== | ||
| + | |||
| + | Revision 4 board is available now. It has resistor-programmable LDO (pre-programmed for 3.3 V operation) for external power, RJ12 and IDC sockets. You can buy it at my [[https://www.tindie.com/products/bitsmith/cortex-m-jtag-interface-extender/|Tindie store]]. | ||
embedded/j-link_tagconnect_swd_adapter.txt ยท Last modified: 2018/03/01 16:17 by lubos
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