RAM Mapping 648 LCD Controller for I/O MCU Operating voltage: 2.7V~5.2V
Built-in RC oscillator
External 32.768kHz crystal or 32kHz frequency
source input
1/4 bias, 1/8 duty, frame frequency is 64Hz
Max. 648 patterns, 8 commons, 64 segments Built-in LCD display RAM
R/W address auto increment
Two selectable buzzer frequencies (2kHz or 4kHz)
Power down command reduces power consumption
Software configuration feature
Data mode and Command mode instructions
Three data accessing modes
