embedded:j-link_tagconnect_swd_adapter
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embedded:j-link_tagconnect_swd_adapter [2017/07/19 16:23] lubos |
embedded:j-link_tagconnect_swd_adapter [2018/03/01 16:17] lubos |
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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. | ||
| - | EDIT: After taking my TagConnect cables out of a dusty box, I found out that I have RJ12 versions. Heading up to upgrade my board with RJ12 along the IDC socket. :-) | + | |
| + | ===== 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 · Last modified: 2018/03/01 16:17 by lubos
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