Is it true that CLKDIV4 0 domain (for example, EMIFA) must run at 1/4 the DSP frequency? Another wards SYSCLK4 fixed ratio vs. DSP frequency is 1:4 and it cannot be change to something like 1:5, 1:6, 1:7 or 1:8. It means if I need EMIFA to be 75MHz I must reduce DSP frequency to 600MHz?