R8A66171DD/SP

REJ03F269-0100 Rev.1.00 Feb.19.2008

Page 9 of 22

PROGRAMMING

The command must be loaded first to the R8A66171 by the MCU before data communication. R8A66171

has 6 command registers.

Data transfer is possible when commands have been loaded to these command registers after reset.

The flowchart of the initial setting is shown in the following diagram.

Flowchart of the R8A66171 initial setting

Reset

Data transfer

Command1

Command 5

Command 2

Command 3

Command 4

Command 6