DESCRIPTION
The µPD16680 is a driver which contains a RAM capable of full - dot LCD display. The single µPD16680 IC chip can operate a full - dot (up to 100 by 51 dots) LCD and pictographs (100 pictographs).
The µPD16680 can operate on single 3 V-power supply, is suitable for graphic pagers and cellular.

FEATURES
• LCD driver with a built-in display RAM
• Can operate on single 3 V-power supply
• Booster circuit incorporated : Switchable 3 or 4 folds
• Dot display RAM : 100 x 51 bits
• Pictographic display RAM : 100 bits
• Pictographic displays duty changeable : 1/53 or 1/40 duty
• Output for full-dot : 100 segments and 52 commons
• Data input based on serial & 4-bit / 8-bit parallel switch over
• String resister to output bias level incorporated
• Selectable LCD driving bias level (select from 1/8 bias, 1/7 bias, 1/6 bias)
• Oscillation circuit incorporated
• D/A converter incorporated (for LCD driving voltage adjustment)