3069RF-ZTAT Datasheet, PDF(672/1003 Page) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

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3069RF-ZTAT Datasheet, PDF (672/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

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ï£§ Size (1 byte) : Amount of device-code data

This is fixed to 4

ï£§ Device code (4 bytes) : Device code returned in response to the supported device inquiry

(ASCII-code)

ï£§ SUM (1 byte) : Checksum

Response H'06

ï£§ Response, H'06, (1 byte) : Response to the device selection command

ACK will be returned when the device code matches.

Error

response H'90

ERROR

ï£§ Error response, H'90, (1 byte) : Error response to the device selection command

ï£§ Error : (1 byte) : Error code

H'11 : Sum check error

H'21 : Device code error, that is, the device code does not match

(3) Clock Mode Inquiry

The boot program will return the supported clock modes in response to the clock mode inquiry.

Command H'21

ï£§ Command, H'21, (1 byte) : Inquiry regarding clock mode

Response H'31

Size

A number of Mode

SUM

modes

ï£§ Response, H'31, (1 byte) : Response to the clock-mode inquiry

ï£§ Size (1 byte) : Amount of data that represents the number of modes and modes

ï£§ A number of clock modes (1 byte) : The number of supported clock modes

H'00 indicates no clock mode or the device allows to read the clock mode.

ï£§ Mode (1 byte) : Values of the supported clock modes (i.e. H'01 means clock mode 1.)

ï£§ SUM (1 byte) : Checksum

(4) 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

Size

Mode

SUM

ï£§ Command, H'11, (1 byte) : Selection of clock mode

ï£§ Size (1 byte) : Amount of data that represents the modes

Rev. 5.0, 09/04, page 650 of 978

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