Renesas H8SX/1520 Series Hardware Manual page 692

Section 17 Flash Memory (0.18-(m F-ZTAT Version)
(f)
Memory Read
The boot program will return the data in the specified address.
Command H'52
Read size
• Command: H'52 (1 byte): Memory read
• Size (1 byte): Amount of data that represents the area, read address, and read size (fixed at 9)
• Area (1 byte)
H'00: User boot MAT
H'01: User MAT
An address error occurs when the area setting is incorrect.
• Read address (4 bytes): Start address to be read from
• Read size (4 bytes): Size of data to be read
• SUM (1 byte): Checksum
Response H'52
Data
SUM
• Response: H'52 (1 byte): Response to memory read
• Read size (4 bytes): Size of data to be read
• Data (n bytes): Data for the read size from the read address
• SUM (1 byte): Checksum
Error Response
• Error response: H'D2 (1 byte): Error response to memory read
• ERROR: (1 byte): Error code
H'11: Sum check error
H'2A: Address error
H'2B: Size error
Rev. 3.00 Mar. 14, 2006 Page 654 of 804
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Size Area
Read size
···
H'D2 ERROR
The read address is not in the MAT.
The read size exceeds the MAT.
Read address
SUM