UPD16681A Datasheet, PDF (1/56 Pages) NEC – LCD CONTROLLER/DRIVER FOR DOT MATRIX DISPLAY OF JIS LEVEL 1 AND JIS LEVEL 2 KANJI SETS

DATA SHEET
MOS INTEGRATED CIRCUIT
µ PD16681A
LCD CONTROLLER/DRIVER FOR DOT MATRIX DISPLAY OF JIS LEVEL 1
AND JIS LEVEL 2 KANJI SETS
DESCRIPTION
The µPD16681A is a single-chip controller driver that can display Japanese text; including JIS Level 1 kanji, JIS
Level 2 kanji, hiragana, and katakana. Each chip can display up to four lines containing up to eight full width
characters (11 x 12 dots), or up to four lines containing up to 16 half width characters (5 x 12 dots), as well 96
pictographs.
FEATURES
• LCD controller/driver for dot matrix display of JIS Level 1 and JIS Level 2 kanji sets
• On-chip ROM for character generation
−JIS Level 1 + Level 2 kanji (11 x 12 dots) : 6,355 characters
−JIS non-kanji characters (11 x 12 dots) : 453 characters
−Other characters (symbols, etc.) (11 x 12 dots): 256 characters
−Half width alphanumeric characters (5 x 12 dots) : 192 characters
• On-chip RAM for character generation
−8 types (12 x 13 dots)
• On-chip boost circuit : switchable between 3x and 4x modes
• RAM for pictograph data displays : 96 bits
• Outputs : 96 segments, 52 commons
• Duty settings : 1/39 or 1/52
• Switchable data inputs : serial or 8-bit parallel
• On-chip divider resistor
• Selectable bias settings (1/8 bias, 1/7 bias, or 1/6 bias)
• On-chip oscillation circuit
ORDERING INFORMATION
Part number
µPD16681A-001
µPD16681AP-001
Package
Wafer
Chip (COG compliant)
ROM code
Standard
Standard
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. S14207EJ2V0DS00 (2nd edition)
Date Published March 2000 NS CP(K)
The mark 5 shows major revised points.
©
Printed in Japan
1999,2000