BC1601A Datasheet, PDF (10/33 Pages) List of Unclassifed Manufacturers – LCD MODULE SPECIFICATION

8. Power Supply for LCD Module and LCD Operating Voltage a Adjustment
Standart Type
typ.: 4.5V
(Option)LCM operating on " DC 3V " input , with external negative
typ.: 4.5V
(Option) LCM operating on " DC 3V " input , with built-in negative Voltage
typ.: 4.5V