Panasonic KX-TG2873BXS

11
KX-TG2873BXS/KX-TGA280BXS
4.3.4. Reset Circuit
Function:
This circuit is used to initialize the microcomputer when it incorporates an AC adaptor.
Circuit Operation:
The system is reset when IC4’s BBIC internal voltage of BB1.8V goes down below 1.65V.