(ram-provided 160 Channel 4-level Grey Scale Driver For Dot Matrix Graphics Lcd)

The HD66421 drives and controls a dot matrix graphic LCD(Liquid Crystal Display) using a bit-mapped method. It provides a highly flexible Display through its on-chip Display RAM, in which each two bits of data CAN be used to turn on or off one dot on LCD panel with four-level grey scale. A single HD66421 CAN Display a maximum of 160x100 dots using its powerful Display control functions. It CAN Display only eight lines out of one hundred lines. This function realize low power consumption because high voltage for driving LCD is not needed. An MPU CAN access HD66421 at any time, because the MPU operations are asynchronous with the HD66421 's system Clock and Display operation. Its low-voltage operation at 2.2 to 5.5V and standby function provides low power -dissipation, making the HD66421 suitable for small portable device applications. By Renesas Technology
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HD66421TB0




HD66421 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
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