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PLL Setting error for TMS320F2808

Dear support,

We have the same problem as descrided in the post http://e2e.ti.com/support/embedded/tirtos/f/355/p/324340/1146924.aspx#1146924 

Could you please answer?

When we try to do:
Configure PLL with  PLL input clk (Osc)= 20
PLL control register-DIV= 10
PLL status register -DIVSEL= 2
It shows frequncy 0 and also at boot section CPU clk frequency becomes 0.

It is leeting me to set 100Mhz when configure PLL is selected.

Could you please help us to resolve the problem

Thanks, Sabina

  • Sabina,

    Unfortunately, the Boot module currently does not support C280x and C281x devices.  These are older devices with slightly different PLL configuration.  Its been this same way since 2011 and there hasn't been a lot of request for this support so that's why its not in there.  It could be a possible enhancement request for future releases.

    Judah