>
> Hello Piclisters !
>
> First, thanks for reply to "Shock sensor"
>
> - Is someone know if the 12c50x is a One Time Programmable device, in
> the non-windowed version ?

Sure there are OTP parts. Windowed parts are only for development. OPT is
how microchip makes their money.

>
> - Is there a version using EEPROM, like the 16c84, availlaible ?

Not yet.

>
> - Is there a version fastest than the 4Mhz calibrated on chip ?

No. I'm not sure if one is planned either.

BAJ