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lamaPLC: st756x display drivers

The ST7567 and ST7565 are the two most common “COV” (Chip-on-Glass) controllers for monochrome graphic LCDs. While they share the same basic command set, they represent different generations of hardware integration.

FeatureST7565ST7567
Release EraOlder (Legacy)Newer (Current Standard)
External Caps5–9 capacitors needed0–2 capacitors needed
Default BiasUsually 1/9 or 1/7Usually 1/9
InterfaceParallel / SPIParallel / SPI / I²C
Power ConsumptionLowUltra-Low
Best ForHeavy-duty industrial gearTiny DIY modules, I2C displays

I²C topics on lamaPLC

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