How to activate ETM on M48x ?

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Posts: 11
Joined: 18 Apr 2017, 16:39

29 Aug 2018, 07:19

Dear staffs,

Finally, I could obtain a Nuvoton's new great MCU chip M48x and its evaluation boards.
One of the most exciting new features is ETM, which had not been found on the other Nuvoton's Cortex-M MCUs.
To evaluate this feature very quickly, I got NuMaker-ETM-M487, on which ETM-connector is already mounted on the board.

Anyway, how can I activate and utilize it with may Keil MDK ARM + UlinkPro(ICE with ETM feature) ?

I've been searching for technical information about that thru NuMaker-ETM-M487 User manual(Rev.1.00) and Technical Reference Manual for M480 serise (Rev.1.01). But, no helpful information....

Even in Technical Reference manual, the only thing I could find was corresponding block called "ETMC" is placed near "SWDC".
Another interresting feature (just by name, now) is that DMA can be triggered by "ETMC_RX" as #65th request source.

Does anyone have helpful information about those?


Dylan Hsieh
Posts: 31
Joined: 22 Mar 2017, 09:54

15 Feb 2019, 16:07


To enable the ETM trace function, you need to add some code to switch the pin's multi-function to ETM trace pin at the initial state:
/* Setup ETM Pin Usage
- PE.8: DAT3
- PE.9: DAT2
- PE.10: DAT1
- PE.11: DAT0
- PE.12: CLK */



Posts: 1
Joined: 08 Aug 2019, 05:39

18 Aug 2019, 04:00

Can somebody explain to me how to link the picture from another post for the nomination. I copied the flickr link for ATs nomination and got the link and not the picture.
Certainly you dont have to save it and reinsert it.

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