M38002M4 Datasheet, PDF (77/173 Pages) Mitsubishi Electric Semiconductor – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPLICATION
2.3 Serial I/O
(2) Connection with microcomputer
Figure 2.3.11 shows connection examples of the other microcomputers.
(1) Selecting an internal clock
SCLK
TXD
RXD
CLK
IN
OUT
3800 group Microcomputer
(2) Selecting an external clock
SCLK
TXD
RXD
CLK
IN
OUT
3800 group Microcomputer
(3) Using the SRDY siganl output function
(Selecting an external clock)
SRDY
SCLK
TXD
RXD
3800 group
RDY
CLK
IN
OUT
Microcomputer
(4) Using UART
TXD
RXD
RXD
TXD
3800 group Microcomputer
Fig. 2.3.11 Serial I/O connection examples (2)
3800 GROUP USER’S MANUAL
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