UPD16681 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.
UPD16681 Key Features
- LCD controller/driver for dot matrix display of JIS Level 1 and JIS Level 2 kanji sets
- 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 mons
- 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