M30222 Datasheet, PDF (237/237 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
M30222 Group
Rev. G
Serial I/O Mode 2 (Flash Memory Version)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
(22) Baud Rate 57600
This command changes baud rate to 57,600 bps. Execute it as follows.
(1) Transfer the "B316" command code with the 1st byte.
(2) After the "B316" check code is output with the 2nd byte, change the baud rate to 57,600 bps.
RxD1
(M16C receive data)
B316
TxD1
(M16C transmit data)
Figure 1.206. Timing of baud rate 57600
B316
Example Circuit Application for the Standard Serial I/O Modes 1 and 2
Figure 1.207 shows a circuit application for the standard serial I/O modes 1 and 2. Control pins will vary according
to programmer, therefore see the peripheral unit manual for more information.
Clock input
BUSY output
Data input
Data output
CNVss
CLK0
RTS0(BUSY)
RXD0
TXD0
M16C/ M30222
Flash memory
version
CNVss
NMI
RESET
Reset
(1) Control pins and external circuitry will vary according to programmer. For
more information, see the programmer manual.
Fig. 1.207. Example circuit application for serial I/O modes 1 and 2
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