Ic (Mask Rom Versions Only) - NEC 78K0 User Manual

2.2.17 IC (mask ROM versions only)

The IC (Internally Connected) pin is provided to set the test mode to check the 78K0/KC1 at shipment. Connect it
directly to EV or V pin with the shortest possible wire in the normal operation mode.
SS SS
When a potential difference is produced between the IC pin and the EV
these two pins is too long or external noise is input to the IC pin, the user's program may not operate normally.
CHAPTER 2 PIN FUNCTIONS
• Connect the IC pin directly to EV
EV or V IC
SS SS
User's Manual U16227EJ2V0UD
or V pin because the wiring between
SS SS
or V .
SS SS
As short as possible
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