Chen Xiao Fan wrote:

>>From my experience with 12F629/675, erased it first by
>ERASE command and then use the WRITE command does help 
>in the cases. I guess it is really less demanding. 
>Still it needs to read the device ID bits and then
>preserve the bandgap bits (within the configuration
>word) and the OSCCAL value. So I am also not so sure
>why the ERASE command can do the trick in my test
>cases. Without the ERASE command first, test of xwisp2
>using 12F629/675 with INTOSC and internal /MCLR
>will fail.
>  
>
  The WRITE command for a 16F88 also works using internal osc and 
internal /MCLR if you use the ERASE command first.

Regards,

*Carlos Marcano*
-Guri, Venezuela-

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