GET_CHECKSUM returns the sum of all the bytes starting at the address
argument up to the length argument. The result is a 32-bit word.Figure 17-28. Get Checksum
(GET_CHECKSUM) Command
Table 17-16. Get Checksum
(GET_CHECKSUM) Format
Field
Description
Op code
0x0C
Operand
Not used
Addr_High
High-order16 bits of the 32-bit starting address of the data to
calculate the checksum for.
Addr_Low
Low-order16 bits of the 32-bit starting address of the data to
calculate the checksum for.
Length_High
High-order16 bits of the 32-bit length of data to calculate the
checksum for in bytes.
Length_Low
Low-order16 bits of the 32-bit length of data to calculate the
checksum for in bytes.
Expected Response (1 word):Figure 17-29. Get Checksum
(GET_CHECKSUM) Response
