17.2.9 Blank Check (BLANK_CHECK) Command

The BLANK_CHECK command queries the PE to determine whether the contents of code memory and code-protect Configuration bits (GCP and GWRP) are blank (contains all ‘1’s).
Figure 17-16. Blank Check (BLANK_CHECK) Command
Table 17-10. Blank Check (BLANK_CHECK) Format
FieldDescription
Op code0x6
OperandNot used
AddressAddress where to start the Blank Check
LengthNumber of program memory locations to check in terms of bytes
Expected Response (1 word for Blank Device):
Figure 17-17. Blank Check (BLANK_CHECK) Response