CCS/PGA900: How to OTP to PGA900

Hello Chennangan,

If you want to program the OTP on the PGA900 you have to use a different PGA900.gel file than the one that is already included. 

There is a setting in the PGA900.gel file which automatically sets the REMAP bit as soon as the XDS200 connects to the PGA900.

In order to prevent this from happening, so that the OTP can be programmed properly, the gel file needs to be modified. In the gel file is the following function:

Config_Remap()
{
WR_MEM_08(REMAP_ADDR,0x01);
}

If you would like to program to the OTP instead of the DEVRAM, the function should be modified like so:

Config_Remap()
{
WR_MEM_08(REMAP_ADDR,0x00);
}

Additionally you will need to apply 7.5 V to the VP_OTP pin while programming.

Regards,