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I have a question about the stop code acceptor (STPACP) described in the Users Manual. It says , "When data is written to STPACP in the order of “5nH” and “0AnH” (where n is 0 to 0FH), the stop code acceptor is enabled." Why is the second data described as "0AnH", not "AnH"?
It is because of assembler description control. The first character of the data to be specified must be numeric. If alphabetic, a compile error occurs. (A5H, FFH, etc.) Therefore, when describing data whose first character is alphabetic, please describe "0A5H", 0FFH in the assembler description.