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TMS570LC4357: Register CcmR5-> CcmSr1 is not getting set when ccmr5REG->CCMKEYR1 = 0x09

Part Number: TMS570LC4357

Dear TI support,

Register CcmR5-> CcmSr1 is not getting set when ccmr5REG->CCMKEYR1 = 0x09

I wrote code as below

while(1)
{
ccmr5REG->CCMKEYR1 = 0x09;
}

with this code , Register CcmR5-> CcmSr1 is not getting set 

But Esm1-> Stat1 is set as 0x80000000

Why i can not see update of register CcmR5-> CcmSr1?

Regards,

Manoraj Selvaraj