UPD16488A
UPD16488A is 1/92 DUTY LCD CONTROLLER/DRIVER manufactured by NEC.
DESCRIPTION
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The µPD16488A is a controller/driver which includes display RAM for full-dot LCDs that can provide a four-level gray scale display. This IC is able to drive full-dot LCDs that contain up to 128 x 92 dots.
FEATURES
- LCD controller/driver with on-chip display RAM
- Full dot outputs: 128 segment outputs and 92 mon outputs
- Can operate using single power supply (logic system) in range from 1.7 to 3.6 V.
- Selection of four levels of gray scales from among 33 possible levels (four-frame rate control + 8 pulse width modulation)
- Serial data input and 8-bit parallel data input (i80 series interface and M68 series interface)
- Dot display RAM: 128 x 128 x 2 bits
- On-chip booster: Switchable from x2 to x9 modes
- Selectable bias levels: 1/12 to 1/7 bias (normal display), 1/6 or 1/5 bias (partial display)
- Duty settings: 1/92 to 1/1 duty
- On-chip voltage divider resistor
- On-chip oscillator
ORDERING INFORMATION
Part Number Package Chip Wafer
µPD16488AP µPD16488AW
Remark Purchasing the chip/wafer entails the exchange of documents such as a separate memorandum or product quality, so please contact one of our sales representative.
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. S15745EJ2V0DS00 (2nd Edition) Date Published December 2001 NS CP(K)
The mark shows major revised points.
µPD16488A
TABLE OF CONTENTS
1. BLOCK DIAGRAM 5 2. PIN CONFIGURATION (PAD LAYOUT) 6 3. PIN FUNCTIONS...
