uPD78F0423

User’s Manual 78K0/LD3 8-Bit Single-Chip Microcontrollers µPD78F0420 µPD78F0421 µPD78F0422 µPD78F0423 µPD78F0430 µPD78F0431 µPD78F0432 µPD78F0433 The 78K0/LD3 has an on-chip debug function. Do not use this product for mass production because its reliability cannot be guaranteed after the on-chip debug function has been used, due to issues with respect to the number of times the flash memory can be rewritten. NEC Electronics does not accept complaints concerning this product. Document No. U18697EJ1V0UD00 (1st edition) Date Published June 2007 NS Printed in Japan 2007 [MEMO] 2 User’s Manual U18697EJ1V0UD NOTES FOR CMOS DEVICES 1 VOLTAGE APPLICATION WAVEFORM AT INPUT PIN Waveform distortion due to input noise or a reflected wave may cause malfunction. If the input of the CMOS device stays in the area between VIL (MAX) and VIH (MIN) due to noise, etc., the device may malfunction. Take care to prevent chattering noise from entering the device when the input level is fix...