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ST7556 Datasheet PDF

Sitronix Technology ST7556

The ST7556 is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 102 segment and 65 common with 1 ICOM driver circuits. This chip is connected directly to a microprocessor, accepts 4-line serial interface (SPI) or 8-bit parallel interface, display data can store in an on-chip display data RAM of 66 x 102 bits.
Part No. ST7556
Datasheet ST7556 Download
Manufacturer
Sitronix Technology
Description 65 x 102 Dot Matrix LCD Controller/Driver
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ST7556 datasheet page 1 preview

FEATURES

Driver Output Circuits 102 segment outputs / 65+1 common outputs On-chip Display Data ram Capacity: 66X102=6,732 bits (external clock also possible) Voltage converter (x4) Voltage regulator (temperature gradient -0.05%/°C) Voltage follower On-chip electronic contrast control function (128 steps) Liquid crystal driving voltage : V0 -VSS = max 12 V (external power supply) Microprocessor Interface 8-bit parallel bi-directional interface with 6800-series or 8080-series 4-line SPI (serial peripheral interface) available (only write operation) On-chip Low Power Analog Circuit Generation of LCD supply voltage (externally Vout voltage supply is possible) Generation of intermediate LCD bias voltages External RESB (reset) pin Logic supply voltage range VDD -VSS 1.8 to 3.3V Temperature range: -30 to +85 degree Oscillator requires no external components Ver 2.2 1/43 2005/10/05 ST7556 3. PAD Arrangement (COG) Chip Size: 10,310 um × 1,150 um Bump Pitch: PAD NO 1 ~ 148 , 250 ~ 272 : 75.5 um...
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