Renesas H8S/2437 Hardware Manual page 641

Renesas 16-bit single-chip microcomputer h8s family / h8s / 2600 series
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Response
H'06
• Response, H'06, (one byte): Response to erasure
After erasure has been completed, ACK will be returned.
Error Response
H'D8
• Error response, H'D8, (one byte): Error response to erasure
• ERROR (one byte): Error code
H'11:
H'29:
H'51:
On receiving block number H'FF, the boot program will stop erasure and wait for a selection
command.
Command
H'58
• Command, H'58, (one byte): Erasure
• Size, (one byte): The number of bytes that represents the block number
This is fixed to 1.
• Block number (one byte): H'FF
Stop code for erasure
• SUM (one byte): Checksum
Response
H'06
• Response, H'06, (one byte): Response to end of erasure (ACK)
When erasure is to be performed after the block number H'FF has been specified, the procedure
should be executed from the erasure selection command.
(11) Memory Read
The boot program will return the data in the specified address.
Command
H'52
Read size
• Command: H'52 (one byte): Memory read
• Size (one byte): Amount of data that represents the area, read address, and read size (fixed to
9)
• Area (one byte)
H'00: User boot MAT
H'01: User MAT
An address error occurs when the area setting is incorrect.
ERROR
Checksum error
Block number error
Block number is incorrect.
Erasure error
An error has occurred during erasure.
Size
Block number
Size
Area
Read address
SUM
SUM
Rev. 1.00, 09/03, page 603 of 704

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