Renesas H8SX/1520 Series Hardware Manual page 675

(d) Clock Mode Selection
The boot program will set the specified clock mode. The program will return the selected clock-
mode information after this setting has been made.
The clock-mode selection command should be sent after the device-selection commands.
Command
• Command, H'11, (one byte): Selection of clock mode
• Size (one byte): Amount of data that represents the modes
• Mode (one byte): A clock mode returned in reply to the supported clock mode inquiry.
• SUM (one byte): Checksum
Response
• Response, H'06, (one byte): Response to the clock mode selection command
ACK will be returned when the clock mode matches.
Error Response
• Error response, H'91, (one byte) : Error response to the clock mode selection command
• ERROR
Even if the clock mode numbers are H'00 and H'01 by a clock mode inquiry, the clock mode must
be selected using these respective values.
Downloaded from Elcodis.com electronic components distributor
H'11 Size Mode
H'06
H'91 ERROR
: (one byte): Error code
H'11: Checksum error
H'22: Clock mode error, that is, the clock mode does not match.
Section 17 Flash Memory (0.18-(m F-ZTAT Version)
SUM
Rev. 3.00 Mar. 14, 2006 Page 637 of 804
REJ09B0104-0300