LC75844M

Ordering number : ENN6235 CMOS IC LC75844M 1/4 Duty General-Purpose LCD Driver Overview The LC75844M is a 1/4 duty general-purpose LCD driver that can be used for frequency display in electronic tuners under the control of a microcontroller. The LC75844M can drive an LCD with up to 88 segments directly. The LC75844M can also control up to 4 general-purpose output ports. Since the LC75844M uses separate power supply systems for the LCD drive block and the logic block, the LCD driver block power-supply voltage can be set to any voltage in the range 2.7 to 6.0 volts, regardless of the logic block power-supply voltage. Package Dimensions unit: mm 3204-MFP36S [LC75844M] 36 19 Features Support for 1/4 duty 1/2 bias or 1/4 duty 1/3 bias drive of up to 88 segments under serial data control. Serial data input supports CCB format communication with the system controller. Serial data control of the power-saving mode based backup function and all the segments forced off function Serial data control of switching between the segment output port and the general-purpose output port functions High generality, since display data is displayed directly without decoder intervention. Independent VLCD for the LCD driver block (VLCD can be set to any voltage in the range 2.7 to 6.0 volts, regardless of the logic block power-supply voltage.) The INH pin can force the display to the off state. RC oscillator circuit 15.3 2.15 2.5max 0.65 1 18 0.15 0.35 0.8 0.85 CCB is a tr...