DESCRIPTION
The HD66724/HD66725, dot-matrix graphics LCD controller and driver LSI incorporating a key scan function up to a 4-by-8 key matrix, display characters such as alphanumerics, katakana, hiragana and symbols as well as graphics such as kanji and pictograms. They can be configured to drive a dot-matrix liquid crystal display and control key scan functions under the control of the microprocessor connected via the clock-synchronized serial or 4/8-bit bus. The HD66724 is capable of displaying up to three 12character lines, 72-by-24 dot graphics and 144 segments. Of the 144 (192) segments displayed, 48 (64) segments can be grayscaled. Combining these hardware functions with software functions such as standby and sleep modes allows fine power control. The HD66724/HD66725 are suitable for any portable battery-driven product requiring long-term driving capabilities and small physical dimensions such as cellular phones, pagers, portable audio devices, or electronic wallets. FEATURES
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Hitachi
