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