h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 487

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

(a) Erasure Selection
The boot program will transfer the erasure program. User MAT data is erased by the transferred
erasure program.
• Command, H'48, (one byte): Erasure selection
• Response, H'06, (one byte): Response for erasure selection
• Error Response, H'C8, (one byte): Error response to erasure selection
• ERROR: (one byte): Error code
(b) Block Erasure
The boot program will erase the contents of the specified block.
• Command, H'58, (one byte): Erasure
• Size (one byte): The number of bytes that represents the erasure block number
• Block number (one byte): Number of the block to be erased
• SUM (one byte): Checksum
• Response, H'06, (one byte): Response to Erasure
Error Response
• Error Response, H'D8, (one byte): Response to Erasure
• ERROR (one byte): Error code
On receiving block number H′FF, the boot program will stop erasure and wait for a selection
command.
Command
Response
Error Response
Command
Response
After the erasure program has been transferred, the boot program will return ACK.
H'54: Selection processing error (transfer error occurs and processing is not completed)
This is fixed to 1.
After erasure has been completed, the boot program will return ACK.
H'48
H'06
H'58
H'06
H'11:
H'29:
H'51:
H'D8
H'C8
Size
Sum check error
Block number error
Block number is incorrect.
Erasure error
An error has occurred during erasure.
ERROR
ERROR
Block number
SUM
Rev. 2.00, 03/04, page 455 of 534