LC75847TS-E

LCD 驱动器 LCD DISPLAY DVR

The LC75847T is 1/3 duty and 1/4 duty general-purpose LCD driver that can be used for frequency display in electronic tuners under the control of a microcontroller. The LC75847T can drive an LCD with up to 420 segments directly. The LC75847T can also control up to 8 general-purpose output ports.

Features

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Switching between 1/3 duty and 1/4 duty drive techniques under serial data control.

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Switching between 1/2 bias and 1/3 bias drive techniques under serial data control.

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Up to 318 segments for 1/3 duty drive and 420 segments for 1/4 duty drive can be displayed.

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Serial data input supports CCB format communication with the system controller.

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Serial data control of the power-saving mode based backup function and all the segments forced off function.

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Serial data control of switching between the segment output port and the general-purpose output port functions.

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Serial data control of frame frequency for common and segment output waveforms.

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High generality, since display data is displayed directly without decoder intervention.

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Built-in display contrast adjustment circuit

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Independent VLCD for the LCD driver block

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The INH pin can force the display to the off state.

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RC oscillator circuit