80 X 128 Pixels Matrix LCD Driver

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製品詳細

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ブロック図

PCF8811MU, PCF8811U

Features

Key Features

  • Single-chip LCD controller and driver
  • 80 row and 128 column outputs
  • Display data RAM 80 × 128 bit
  • 128 icons (in extended command set row 79 can be configured for displaying icons)
  • Low power consumption; suitable for battery operated systems
  • Configurable voltage multiplier generating LCD supply voltage VLCD; an external VLCD is also possible
  • Programmable bottom row pins mirroring; for compatibility with both Tape Carrier Packages (TCP) and Chip-On-Glass (COG) applications (extended command set)
  • Status read, which allows for chip recognition and content checking of some registers
  • Start address line which allows, for instance, the scrolling of the displayed image
  • Programmable display RAM pointers for variable display sizes
  • Slim chip layout, suited for COG applications
  • Temperature range: Tamb = ‑40 °C to +85 °C
  • CMOS compatible inputs

Interfaces

  • 8-bit parallel
  • 3- or 4-line serial peripheral interface (SPI)
  • High-speed I2C-bus
  • Generation of intermediate LCD bias voltage
  • Oscillator requires no external components
  • OTP calibration for VLCD and accurate frame frequency
  • External reset input pin
  • External clock input possible

Linear Temperature Compensation of VLCD

  • 8 programmable temperature coefficients (extended command set)
  • one fixed temperature coefficient which can be set as default by OTP programming (basic command set)

Multiplex Rate 1:16 to 1:80 Selectable

  • In steps of 8 when icon row is not used
  • In steps of 16 when the icon row is used

Logic Supply Voltage Range VDD1 to VSS

  • 1.7 V to 3.3 V

High-Voltage Multiplier Supply Voltage Range VDD2, VDD3 to VSS

  • 1.8 V to 3.3 V

Display Supply Voltage Range VLCD to VSS

  • 3 V to 9 V

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