UPD16680 Datasheet, PDF (1/44 Pages) NEC – 1/53, 1/40 DUTY, LCD CONTROLLER/DRIVER WITH BUILT-IN RAM

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD16680
1/53, 1/40 DUTY, LCD CONTROLLER/DRIVER WITH BUILT-IN RAM
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 display's 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)
ORDERING INFORMATION
Part number
µPD16680W/P
Package
Wafer/Chip(Matched COG mounting)
Remark Purchasing the above products in term of chips per requires an exchange of other documents as well,
including a memorandum on the product quality. Therefore those who are interested in this regard are
advised to contact an NEC salesperson for further details.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S12694EJ2V0DS00(2nd edition) _{The mark • shows major revised points.}
Date Published July 1999 NS CP(K)
©
Printed in Japan
1997, 1999