LAPIS Semiconductor ML62Q1000 Series User Manual

Also see for ML62Q1577: User manual

Contents

LAPIS Semiconductor ML62Q1000 Series User Manual Manual pdf 751 page image

ML62Q1000 Series User's ManualChapter 27 LCD DriverFEUL62Q1000 27-127. LCD driver27.1 General DescriptionThe ML62Q1000 series has the LCD driver that displays the contents of display register onto a LCD panel.27.1.1 Features• Max.480 dotsML62Q1700/ML62Q1701/ML62Q1702/ML62Q1703/ML62Q170424seg8com (com Max.), 29seg3com (seg Max.)ML62Q1710/ML62Q1711/ML62Q1712/ML62Q1713/ML62Q171427seg8com (com Max.), 32seg3com (seg Max.)ML62Q1720/ML62Q1721/ML62Q1722/ML62Q1723/ML62Q1724ML62Q1725/ML62Q1726/ML62Q172735seg8com (com Max.), 40seg3com (seg Max.)ML62Q1733/ML62Q1734/ML62Q1735/ML62Q1736/ML62Q173745seg8com (com Max.), 50seg3com (seg Max.)ML62Q1743/ML62Q1744/ML62Q1745/ML62Q1746/ML62Q174760seg8com (com Max.), 65seg3com (seg Max.)• Unused segment/common output pins can be used as general-purpose input/output pins.• 1/1 duty to 1/8 duty• 1/3 bias (bias generation circuit embedded)• LCD drive waveform selectable (waveform A or B)• Frame frequency selectable (approx. 32Hz, 38 Hz, 64 Hz, 75 Hz, 128 Hz or 150 Hz)• LCD drive voltage generation method selectable (internal boosting/external supply capacitive dividing/internalapplication dividing/external supply)• LCD stop, LCD display, all on and all off modes selectable• LCD reverse available• LED display control available (external MOS transistors are requried for driving)• Contrast adjustment: Adjusted in 32 levels (only in the internal boosting mode)• Dual display RAM is available in 1/1 - 1/4 duty mode, switchable automatically or by specifying SFR.LCD blinking available (by using dual display RAMs in 1/1 - 1/4 duty mode only)