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On STM32H747IGT6, HSEM channel 0 is reserved?

cbcooper
Associate II

Application note AN5361 "Setting up with ST-LINK GDB server" says "Set the Cortex®-M7 core running so that the HSEM semaphore is released and Cortex®-M4 wakes up from Stop mode" and this post implies that it's "HSEM 0" which I'm assuming is HSEM channel 0.

Am I correct that HSEM channel 0 is not available for use by my application?  Is that fact documented in the Reference Manual (I can't find it anywhere)?

 

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