r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 982

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Section 22 Flash Memory
(4)
In response to the clock-mode selection command, the boot program sets the specified clock
mode. The boot program will return the information on the selected clock mode in response to
subsequent inquiries.
Rev. 1.00 Sep. 21, 2007 Page 956 of 1124
REJ09B0402-0100
Command
Response
Error
response
 Response H'31 (1 byte): Response to the inquiry on clock modes
 Size (1 byte): The total length of the number of modes and mode data fields.
 Mode (1 byte): Selectable clock mode (example: H'01 denotes clock mode 1)
 SUM (1 byte): Checksum
 Command H'11 (1 byte): Clock mode selection
 Size (1 byte): Number of characters in the clock-mode field (fixed at 1)
 Mode (1 byte): A clock mode returned in response to the inquiry on clock modes
 SUM (1 byte): Checksum
 Response H'06 (1 byte): Response to clock mode selection
 Error response H'91 (1 byte): Error response to clock mode selection
 ERROR (1 byte): Error code
Clock-mode selection
The ACK code is returned when the specified clock-mode matches one of the available
clock modes.
H'11: Sum-check error
H'21: Non-matching clock mode
H'11
H'06
H'91
Size
ERROR
Mode
SUM