M38K09RFS datasheet(119/328 Pages) RENESAS

tên linh kiện	M38K09RFS

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FUNCTIONAL DESCRIPTION

Rev.2.00

Oct 05, 2006

page 102 of 112

38K0 Group

REJ09B0337-0200

HARDWARE

qVersion Information Output Command

This command outputs the version information of the control pro-

gram stored in the Boot ROM area. Execute the version

information output command as explained here following.

(1) Transfer the “FB16” command code with the 1st byte.

(2) The version information will be output from the 2nd byte on-

ward.

This data is composed of 8 ASCII code characters.

Fig. 131 Timing for version information output

FB16

‘X’

‘V’‘E’‘R’

SCLK

RxD

TxD

SRDY (BUSY)

qBoot ROM Area Output Command

This command reads the control program stored in the Boot ROM

area in page (256 bytes) unit. Execute the Boot ROM area output

command as explained here following.

(1) Transfer the “FC16” command code with the 1st byte.

(2) Transfer addresses A8 to A15 and A16 to A23 with the 2nd and

3rd bytes respectively.

(3) From the 4th byte onward, data (D0 to D7) for the page (256

bytes) specified with addresses A8 to A23 will be output se-

quentially from the smallest address first synchronized with the

fall of the clock.

Fig. 132 Timing for Boot ROM area output

FC16

A8 to A15

A16

to A23

data0data255

SCLK

RxD

TxD

SRDY (BUSY)

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