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You are here: Home / Replies / you are using high freq.

you are using high freq.

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Microcontroller › AVR › Fuse bytes damaged my IC…Plz help… › you are using high freq.

March 27, 2011 at 8:12 am #5814
Amit Joshi
Participant

you are using high freq. range external crystal so CLKSEL3..0 will be 1111 and it is better to configure the controller at 16k ck+ 64 ms start-up time so SUT will be 11.

 so overall fuse byte will be  higher byte=0xFF,  lower byte = 0x89

 

If u want to disable the JTAG, the fuse byte will be  higher byte=0xFF,  lower byte = 0xC9.

 

In try these configurations. if u asre not able to program the controller the SPIEN might be disabled. this bit enable/disables the serial programing of the controller. to enable it parallel programmer is needed.

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