R5F72115D160FPV datasheet(979/1228 Pages) RENESAS

979 / 1228 page

Section 21 Flash Memory

Rev. 2.00 May. 08, 2008 Page 955 of 1200

REJ09B0344-0200

(b)

Device Selection

In response to the device selection command, the boot program sets the specified device as the

selected device. The boot program will return the information on the selected device in response to

subsequent inquiries.

Command

H'10

Size

Device code

SUM

• Command H'10 (1 byte): Device selection

• Size (1 byte): Number of characters in the device code (fixed at 4)

• Device code (4 bytes): A device code that was returned in response to an inquiry on supported

devices (ASCII encoded)

• SUM (1 byte): Checksum

Response

H'06

• Response H'06 (1 byte): Response to device selection

This is the ACK code and is returned when the specified device code matches one of the

supported devices.

Error

response

H'90

ERROR

• Error response H'90 (1 byte): Error response to device selection

• ERROR (1 byte): Error code

H'11: Sum-check error

H'21: Non-matching device code

(c)

Inquiry on Clock Modes

In response to the inquiry on clock modes, the boot program returns the number of available clock

modes.

Command

H'21

• Command H'21 (1 byte): Inquiry on clock modes

Response

H'31

Size

Mode

…

SUM

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