产品特点 Features

• Single-chip LCD controller/driver
• 24 segment drives:
  • Up to twelve 7-segment numeric characters including decimal pointer
  • Up to six 14-segment alphanumeric characters
  • Any graphics of up to 96 elements
• Versatile blinking modes
• No external components required (even in multiple device applications)
• Selectable backplane drive configuration: static or 2, 3, 4 backplane multiplexing
• Selectable display bias configuration: static, 1/2 or 1/3
• Internal LCD bias generation with voltage-follower buffers
• 24 x 4-bit RAM for display data storage
• Auto-incremented display data loading across device subaddress boundaries
• Display memory bank switching in static and duplex drive modes
• LCD and logic supplies may be separated
• 2.5 V to 6 V power supply range
• Low power consumption
• Power-saving mode for extremely low power consumption in battery-operated and telephone applications
• I²C-bus interface
• TTL and CMOS compatible
• Compatible with any 4, 8 or 16-bit microprocessor or microcontroller
• May be cascaded for large LCD applications (up to 1536 segments possible)
• Cascadable with 40-segment LCD driver PCF8576C
• Optimized pinning for plane wiring in both and multiple PCF8566 applications
• Space-saving 40-lead plastic very small outline package (VSO40; SOT158-1)
• Manufactured in silicon gate CMOS process

功能框图