Renesas H8S/2318 series, Hardware Manual

Page: 785 / 1121

Rev. 5.00, 12/03, page 755 of 1088
Error
Response H'CC H'52
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Error Response, H'CC, (1 byte): Response to blank check for user boot MAT
•
Error Code, H'52, (1 byte): Erasure has not been completed.
User MAT Blank Check
The boot program will check whether or not all user MATs are blank and return the result.
Command H'4D
•
Command, H'4D, (1 byte): Blank check for user MATs
Response H'06
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Response, H'06, (1 byte): Response to the blank check for user boot MATs
If the contents of all user MATs are blank (H'FF), the boot program will return ACK.
Error
Response H'CD H'52
•
Error Response, H'CD, (1 byte) : Error response to the blank check of user MATs.
•
Error code H'52 (1 byte): Erasure has not been completed.
Boot Program State Inquiry
The boot program will return indications of its present state and error condition. This inquiry can
be made in the inquiry/selection state or the programming/erasing state.
Command H'4F
•
Command, H'4F, (1 byte): Inquiry regarding boot program's state
Response H'5F Size STATUS ERROR SUM
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Response, H'5F, (1 byte): Response to boot program state inquiry
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Size (1 byte): The number of bytes that represents the STATUS and ERROR.
This is fixed to 2.
•
STATUS (1 byte): State of the boot program
For details, see table 17-63.
•
ERROR (1 byte): Error state
ERROR = 0 indicates normal operation.
ERROR = 1 indicates error has occurred
For details, see table 17-64.
•
SUM (1 byte): Checksum