Hi Ryan, Thanks for your reply. I have enabled the continuous refresh in CCS Window but the value in address "0x008FFD" still 0 ，as below, is there any other reasons? another findings : this variable “cnt_clatest” only defined but not used , if I used it as below， I will saw the value is 0x2, So it seems variable need be used or it can't be assigned the correct value? best®ards lucas
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