Renesas H8S/2100 Series Hardware Manual page 803

6-bit single-chip microcomputer

Hide thumbs Also See for H8S/2100 Series:

Table of Contents

(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, 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, 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

: (one byte): Error code

H'11: Checksum error

H'22: Clock mode error, that is, the clock mode does not match.

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.

Section 24 Flash Memory

Rev. 1.00 May 09, 2008 Page 777 of 954

REJ09B0462-0100