UPD16454A Description
DATA SHEET MOS INTEGRATED CIRCUIT µPD16454A The µPD16454A is a single-chip controller/driver for dot matrix LCD, enabling the display of up to 48 alphanumerical and kana characters and symbols (24 characters × 2 lines) each of which is posed of 5 × 7 dots. On-chip charge pump-type DC/DC converter that enables the µPD16454A to operate on a single 5-V power supply ..and the chip design aiming at tape carrier package...
UPD16454A Key Features
- 5 × 7 dot matrix LCD display controller/driver
- 24 characters × 2 lines, 1/14 duty display
- Interface with CPU 4 bits wise
- On-chip ROM and RAM
- Display data RAM (8 × 48 bits)
- Character generator RAM (8 user-defined characters; 5 × 7 × 8 bits)
- Character generator ROM (160 characters; 5 × 7 × 160 bits)
- On-chip LCD driver
- 120 segment signals
- 14 mon signals