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jtag [2016/01/13 09:26] – [scan chain] kingkevinjtag [2016/01/13 10:19] – [scan chain] kingkevin
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 Warn : gdb services need one or more targets defined Warn : gdb services need one or more targets defined
 </code> </code>
 +
 +''0x3ba00477'' corresponds to the Cortex-M3 TAP, and ''0x16410041'' to the boundary scan TAP, as documented in the [[http://www.st.com/web/en/resource/technical/document/reference_manual/CD00171190.pdf|STM32F1xx reference manual]].
  
 While the ST-Link v2 is mainly meant to be used as SWD adapter, it also supports JTAG. Both are implemented with the High Level Adapter (HLA) driver. But it seems scan chain is [[http://sourceforge.net/p/openocd/mailman/message/31038247/|not supported by the HLA]]. While the ST-Link v2 is mainly meant to be used as SWD adapter, it also supports JTAG. Both are implemented with the High Level Adapter (HLA) driver. But it seems scan chain is [[http://sourceforge.net/p/openocd/mailman/message/31038247/|not supported by the HLA]].
jtag.txt · Last modified: 2024/01/07 17:49 by 127.0.0.1