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©

1997, 1999

MOS INTEGRATED CIRCUIT

1/53, 1/40 DUTY, LCD CONTROLLER/DRIVER WITH BUILT-IN RAM

DATA SHEET

Document No.

S12694EJ2V0DS00(2nd edition)

Date Published

July 1999 NS CP(K)

Printed in Japan

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

Package

µPD16680W/P

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 mark

•

•

•

• shows major revised points.