DESCRIPTION
The µPD16681 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