Document
Datasheet
Multifunction LCD Segment Driver
BU97930MUV MAX 108 segments (SEG27×COM4)
●Features
Integrated RAM for display data (DDRAM): 27 x 4 bit (Max 108 Segment)
LCD drive output: 4 Common output, Max 27 Segment output
Integrated 1ch LED driver circuit Segment /GPO(Max 4port) output mode selectable Support PWM generation from ext. or internal clock
(Resolution: 8bit) Support standby mode Integrated Power-on-Reset circuit (POR) Integrated Oscillator circuit No external component Low power consumption design Independent power supply for LCD driving Support Blink function
(Blink frequency 1.6, 2.0, 2.6, 4.0Hz selectable)
●Key Specifications
■ Supply Voltage Range:
+1.8V to +3.6V
■ LCD drive power supply Range: +2.7V to +5.5V
■ Operating Temperature Range: -40°C to +85°C
■ Max Segments:
108 Segments
■ Display Duty:
Static, 1/3, 1/4 selectable
■ Bias:
Static, 1/3
■ Interface:
3wire serial interface
●Pa.