M16CSLASH62 datasheet(279/621 Pages) RENESAS

279 / 621 page

Mitsubishi microcomputers

M16C / 62 Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Appendix Standard Serial I/O Mode (Flash Memory Version)

264

Version Information Output Command

This command outputs the version information of the control program stored in the boot area. Execute

the version information output command as explained here following.

(1) Send the “FB16” command code in the 1st byte of the transmission.

(2) The version information will be output from the 2nd byte onward. This data is composed of 8

ASCII code characters.

Figure 1.31.14. Timing for version information output

Boot Area Output Command

This command outputs the control program stored in the boot area in one page blocks (256 bytes).

Execute the boot area output command as explained here following.

(1) Send the “FC16” command code in the 1st byte of the transmission.

(2) Send addresses A8 to A15 and A16 to A23 in the 2nd and 3rd bytes of the transmission respec-

tively.

(3) From the 4th byte onward, data (D0–D7) for the page (256 bytes) specified with addresses A8 to

A23 will be output sequentially from the smallest address first, in sync with the rise of the clock.

FB16

'X'

'V'

'E'

'R'

CLK1

RxD1

TxD1

RTS1(BUSY)

(M16C reception data)

(M16C transmit data)

data0

data255

CLK1

RxD1

TxD1

RTS1(BUSY)

A8 to

A15

A16 to

A23

FC16

(M16C reception data)

(M16C transmit data)

Figure 1.31.15. Timing for boot area output

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