Features: • Direct interface to TRIPLEX LCD• Low power dissipation (100 µW typ.)• Low cost• Compatible with all COP400 processors• Needs no refresh from processor• On-chip oscillator and latches• Expandable to longer displays• Software compatib...
IN472-3: Features: • Direct interface to TRIPLEX LCD• Low power dissipation (100 µW typ.)• Low cost• Compatible with all COP400 processors• Needs no refresh from processor...
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The IN472-3-3 Liquid Crystal Display (LDC) Controller is a perpheral member of the COPSTM family, fabricated using CMOS technology. The IN472-3 drives a multiplexed liquid crystal directly.Data is loaded serially and is held in internal latches. The In472-3 contains an on-chip oscillator and generates all the multi-level waveforms for back-planes and segment outputs on a triplex display. One IN472-3 can drive 36 segments multiplexed as 3 x 12 (41/2 digit display). Two IN472-3 devices can be used together to drive 72 segments (3 x 24) which could be an 81/2 digit display.