TC2004A Description
1 VSS Ground 2 VDD Power supply for logic and LCD 3 V0 Operating voltage for LCD 4 RS Register select 5 R/W Read/Write Select 6 E Read/Write Enable 7-14 DB0-DB7 Data Bus 15 A Anode of LED 16 K Cathode of LED Test Item Symbol Condition Supply Voltage VDD-VSS.