Renesas H8SX/1520 Series Hardware Manual page 694

Section 17 Flash Memory (0.18-(m F-ZTAT Version)
Response H'06
• Response, H'06, (one byte): Response to the blank check of user boot MAT
If all user MATs are blank (H'FF), the boot program will return ACK.
Error Response
• Error Response, H'CC, (one byte): Response to blank check for user boot MAT
• Error Code, H'52, (one byte): Erasure has not been completed.
(j)
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, (one byte): Blank check for user MATs
Response H'06
• Response, H'06, (one byte): Response to the blank check for user MATs
If the contents of all user MATs are blank (H'FF), the boot program will return ACK.
Error Response
• Error Response, H'CD, (one byte): Error response to the blank check of user MATs.
• Error code, H'52, (one byte): Erasure has not been completed.
(k) 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, (one byte):
Response H'5F
• Response, H'5F, (one byte): Response to boot program state inquiry
• Size (one byte): The number of bytes. This is fixed to 2.
• Status (one byte): State of the boot program
• ERROR (one byte): Error status
• SUM (one byte): Sum check
Rev. 3.00 Mar. 14, 2006 Page 656 of 804
REJ09B0104-0300
Downloaded from Elcodis.com electronic components distributor
H'CC H'52
H'CD H'52
Inquiry regarding boot program's state
Size Status
ERROR = 0 indicates normal operation.
ERROR = 1 indicates error has occurred.
ERROR SUM