Dot Character VFD Controller & Driver HT16525 Characteristics Logic voltage : 2.7V ~ 5.5V Operation voltage (max.) : 60V 3-Line serial interface Display content CGROM (58 dot) : 248 characters CGRAM (58 dot) : 8 characters ADRAM (symbol data) : 24 digits 2 bits DDRAM (register for character data) : 24 digits 8 bits General output port : 2 bits Integrated oscillator circuit Display output : (40 SEG + (AD1, AD2)) 24 digits & 2 general output Three standard fonts Customised ROM acceptable Operating Procedure Turn on power switch -- the pictures will then appear sequentially Application Circuit