SOLOMON SYSTECH
SEMICONDUCTOR TECHNICAL DATA
Advance Information 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 outcom 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 SSD1821
TAB
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 selecta...