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** [tickets:#194] Accessing CORTEX-M0+ via APB**
**Status:** new
**Milestone:** 0.9.0
**Created:** Fri Jul 13, 2018 05:25 AM UTC by SANDEEP BABU
**Last Updated:** Fri Jul 13, 2018 05:25 AM UTC
**Owner:** nobody
**Attachments:**
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[2018-07-09.png](https://sourceforge.net/p/openocd/tickets/194/attachment/2018-07-09.png)
(7.7 kB; image/png)
Hi,
We are using custom SoC design where the CORTEX M0+ cores are connected to the
DAPLITE via APB2AHB Bridge. We are able to access ROM tables via APB but we are
unable to access M0+ via APB as the JTAG debuggers (we have an Olimex
ARM-USB-OCD-H) by default search for M0+ in AHB bus only. Kindly, advise any
technique or methods to connect to M0+ core via APB in the setup mentioned. The
JTAG architecture diagram is attached.
Regards
Sandeep Babu
Ignitarium Technologies Pvt Ltd.
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