Renesas H8S/2100 Series, Hardware Manual

Page: 849 / 1024

Section 24 Flash Memory
Rev. 1.00 Apr. 28, 2008 Page 823 of 994
REJ09B0452-0100
(c) 128-Byte Programming
The boot program will use the programming program transferred by the programming selection to
program the user MATs in response to 128-byte programming.
Command H'50 Address
Data
…
…
SUM
•
Command, H'50, (one byte): 128-byte programming
•
Programming Address (four bytes): Start address for programming
Multiple of the size specified in response to the programming unit inquiry
(i.e. H'00, H'01, H'00, H'00 : H'00010000)
•
Program data (128 bytes): Data to be programmed
The size is specified in the response to the programming unit inquiry.
•
SUM (one byte): Checksum
Response H'06
•
Response, H'06, (one byte): Response to 128-byte programming
On completion of programming, the boot program will return ACK.
Error Response H'D0 ERROR
•
Error response, H'D0, (one byte): Error response for 128-byte programming
•
ERROR: (one byte): Error code
H'11: Checksum Error
H'53: Programming error
A programming error has occurred and programming cannot be continued.
The specified address should match the unit for programming of data. For example, when the
programming is in 128-byte units, the lower eight bits of the address should be H'00 or H'80.
When there are less than 128 bytes of data to be programmed, the host should fill the rest with
H'FF.
Sending the 128-byte programming command with the address of H'FFFFFFFF will stop the
programming operation. The boot program will interpret this as the end of the programming and
wait for selection of programming or erasing.