r8a66171dd Renesas Electronics Corporation., r8a66171dd Datasheet - Page 9

• Manufacturer Part Number: r8a66171dd
• Description: A2rt Advanced Asynchronous Receiver & Transmitter
• Manufacturer: Renesas Electronics Corporation.

R8A66171DD/SP
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.
REJ03F269-0100 Rev.1.00 Feb.19.2008
Page 9 of 22
Command 2
Command1
Data transfer
Reset
Flowchart of the R8A66171 initial setting
Command 3
Command 4
Command 5
Command 6