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

−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