LH155BA
Description
The LH155BA is an LCD driver with a built-in RAM suitable for driving medium/small scale dot-matrix LCD panels, and which is capable of being directly connected to the bus line of a microcomputer. The LH155BA stores in the RAM the 8-bit parallel or serial display data transferred from the microcomputer and generates LCD drive signals.
Key Features
- Abundant command functions - Display data read/write - Setting up LCD alternating signal cycle - Setting up display starting-line : per line - Display ON/OFF - Display control of normal and reverse modes - Increment control of display RAM address - Write control of read modifying - Internal register read - Power saving mode
- LCD drive power circuit - Built-in booster circuit : Two, three or four times voltage boost is possible - Built-in voltage converter : Generates LCD drive voltages (V0, V1, V2, V3 and V4) based on the boosted voltage - Built-in power bias ratio : 1/7 or 1/9 bias (selectable by command) - Built-in electronic volume : Controllable in 16 steps - Supply voltages Logic system : +1.8 to +5.5 V LCD drive system : +4.0 to +14.0 V
- Operating temperature : -30 to +85 ˚C
- Package : 260-pin TCP (Tape Carrier Package) FEATURES * * *
- Graphic display output pin : 64 x 128 pins Segment display output pin : 3 x 12 pins Icon display output pin : 1 x 1 pin LCD display by graphic display RAM - Normal mode
