Lcd Segment / Common Driver With Controller Cmos

SSD1820A/21 is a single-chip CMOS LCD Driver with controller for a liquid crystal dot-matrix graphic Display system. SSD1820A consists of 194 high voltage driving out- put pins for driving 128 Segments, 64 Commons and 2 icon driving Commons, while SSD1821 consists of 210 high voltage driving output pins for driving 128 Segments, 80 Commons and 2 icon driving Commons. SSD1820A 21 Displays data directly from its internal 128x65/128X81 bits Graphic Display Data RAM (GDDRAM). Data/Commands are sent from general MCU through a hardware selectable 6800-/8080-series compatible Parallel Interface or 3/4 wires Serial Peripheral Interface SSD1820A 21 embeds a DC-DC Converter a LCD Voltage Regulator an On- Chip Bias Divider and an On-Chip Oscillator which reduce the number of external components. With the special design on minimizing power consumption and die/pack- age layout, SSD1820A 21 is suitable for any portable battery-driven applications re- quiring a long operation period and a compact size. By Unkown
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