usbdm programmer can't download app into S12G128,if I can't connect reset pin.

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usbdm programmer can't download app into S12G128,if I can't connect reset pin.

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wangbaode
Contributor IV

Dear pgo,

usbdm programmer can't download app into S12G128,if I can't connect reset pin. my hardware is USBDM_SWD_SER_JS16CWJ.software version is 4.10.6.250.

bye

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peterhan
Contributor II

Hi wang,

Did you solve this problem "usbdm programmer can't download app into S12G128...". I have a similar problem here. Can you share your experience ? Thanks.

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pgo
Senior Contributor V

Hi Peter,

To mass erase the HCS12 family it is necessary to reset it into one of the special modes.  This is done using the reset pin so this is required.  It might be possible to use a power-on-reset but it was not supported on earlier devices and I do not think it was changed for the 9S12G family.

The USBDM software assumes a reset connection.

This is different to the HCS08 family.

bye

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