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3.6 External Trigger
To set an external trigger, connect the IE-789882-NS-EM1's check pins EXTOUT and EXTIN as shown below.
See the IE-78K0S-NS User's Manual (U13549E) or IE-78K0S-NS-A User's Manual (U15207E) for pin
characteristics.
For the use methods, see the ID78K Series Ver.2.30 or Later Operation Windows Based User's Manual
(U15185E).
(1) EXTOUT
The EXTOUT pin on the IE-789882-NS-EM1 outputs a low level for 1.3 µ s when a break event occurs.
Caution
Connect a pull-up resistor on the target system because this is an open drain output.
(2) EXTIN
An event signal can be input from the EXTIN pin on the IE-789882-NS-EM1. Input a high-level pulse signal for 2
CPU operation clocks or more.
JP2
JP1
USER VDD
IE-789882-NS-EM1
28
CHAPTER 3
INSTALLATION
Figure 3-10. External Trigger Input Position
User's Manual U16431EJ1V0UM
SW1
EXOUT EXIN
DONE
EXTIN
EXTOUT
External trigger
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