CHAPTER 3 INSTALLATION
User’s Manual U16431EJ1V0UM
28
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.
Figure 3-10. External Trigger Input Position
SW1
USER VDD
IE-789882-NS-EM1
JP1
JP2
EXOUT EXIN
DONE
TGCN1
X2
EXTIN
EXTOUT
External trigger
