Datasheet

Section 17 ROM
Rev.7.00 Feb. 14, 2007 page 779 of 1108
REJ09B0089-0700
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
• Response, H'5F, (1 byte): Response to boot program state inquiry
• 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