M16C Datasheet, PDF (254/262 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M16C / 6N Group
Standard Serial I/O Mode
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
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 below.
(1) Send the "FB16" command code in the first byte of the transmission.
(2) The version information will be output from the second byte onward. These data are composed of
8 ASCII code characters.
CLK1
TxD1
FB16
RxD1
'V'
'E'
'R'
'X'
RTS1(BUSY)
Figure 25-13. 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 below.
(1) Send the "FC16" command code in the first byte of the transmission.
(2) Send addresses A8 to A15 and A16 to A23 in the second and the third bytes of the transmission
respectively.
(3) From the fourth 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 synchronization with the rise of
the clock.
CLK1
TxD1
RxD1
FC16
A8 to A16 to
A15
A23
data0
RTS1(BUSY)
Figure 25-14. Timing for boot area output
data255
254