SPRUII0F May 2019 – June 2024 TMS320F28384D , TMS320F28384D-Q1 , TMS320F28384S , TMS320F28384S-Q1 , TMS320F28386D , TMS320F28386D-Q1 , TMS320F28386S , TMS320F28386S-Q1 , TMS320F28388D , TMS320F28388S
volatile long int *ECSL = (volatile int *)0x5F010; //ECSL register file
volatile long int *ECSLPWL = (volatile int *)0x78028; //ECSL Password location (assuming default Zone sel block)
volatile int tmp;
int I;
// Read the 64-bits of the password locations (PWL).
for (I=0;I<2; I++) tmp = *ECSLPWL++;
// Write the 64-bit password to the CSMKEYx registers
// If this password matches that stored in the
// CSMPWL then ECSL will get disable. If it does not
// match, then the zone will remain secure.
// An example password of: // 0x1111222233334444 is used.
*ECSL++ = 0x22221111; // Register Z1_CSMKEY0 at 0x5F010
*ECSL++ = 0x44443333; // Register Z1_CSMKEY1 at 0x5F012
If the CM subsystem is out of reset when ECSL is unlocked by any of the subsystem, one must reset the CM before trying to lock the ECSL again. Unless CM is reset, ECSL can not be locked again by entering the incorrect KEY or using the FORCESEC.