BT21603 Description
GND (0 V) Power Supply (5 V) Supply Voltage (LCD Driver) Register Select - LOW = Instruction, High = Data Read / Write LOW = MPU to LCM, High = LCM to MPU Enable R / W = LOW: Data are taking over at falling edge of E R / W = HIGH: Data can be read at E = 1 Data Bus - Software selectable 4 or 8 Bit Mode Anode of LED Unit Cathode of LED Unit Types with integrated Connector:.