Technical information

2-29
3800 GROUP USER’S MANUAL
APPLICATION
2.3 Serial I/O
(2) Connection with microcomputer
Figure 2.3.11 shows connection examples of the other microcomputers.
Fig. 2.3.11 Serial I/O connection examples (2)
(4) Using UART
SCLK
TXD
R
XD
CLK
IN
OUT
(2) Selecting an external clock
3800 group Microcomputer
(3) Using the
SRDY siganl output function
(Selecting an external clock)
SRDY
SCLK
TXD
R
XD
RDY
CLK
IN
OUT
3800 group
Microcomputer
CLK
IN
OUT
(1) Selecting an internal clock
3800 group Microcomputer
R
XD
T
XD
S
CLK
TXD
R
XD
RXD
T
XD
3800 group Microcomputer