LCD Controllers/Drivers


Product Details

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Block Diagram

Block diagram: PCF2113AU, PCF2113DH, PCF2113DU, PCF2113EU, PCF2113WU


  • Single-chip LCD controller/driver
  • 2-line display of up to 12 characters + 120 icons, or 1-line display of up to 24 characters + 120 icons
  • 5 x 7 character format plus cursor; 5 x 8 for kana (Japanese) and user-defined symbols
  • Icon mode for e.g. additional segment display section: reduced current consumption while displaying icons only
  • Icon blink function
  • Very low current consumption (20 uA to 200 uA):
    • Icon mode: <25 uA
    • Power-down mode: < 2 uA
  • On-chip:
    • Configurable 4, 3 or 2 voltage multiplier, generating LCD supply voltage VLCD, independent of VDD, programmable by instruction (external supply also possible)
    • Temperature compensation of on-chip generated VLCD: -0.16 pct/K to -0.24 pct/K (programmable by instruction)
    • Generation of intermediate LCD bias voltages
    • Oscillator requires no external components (external clock also possible)
  • Display data RAM: 80 characters
  • Character generator ROM: 240 characters of 5 x 8 dots
  • Character generator RAM: 16 characters of 5 x 8 dots; 3 characters used to drive 120 icons, 6 characters used if icon blink feature is used in application
  • 4-bit or 8-bit parallel bus and 2-wire I²C-bus interface
  • 18 row and 60 column outputs
  • Multiplex rates (MUX) 1:18 (for normal operation), 1:9 (for single-line operation) and 1:2 (for Icon-only mode)
  • Uses common 11 code instruction set (extended)
  • Logic supply voltage range VDD1 - VSS1 = 1.8 V to 5.5 V (chip may be driven with two battery cells)
  • VLCD generator supply voltage range VDD2 - VSS2 = 2.2 V to 4.0 V
  • Display supply voltage range VLCD - VSS2 = 2.2 V to 6.5 V
  • Direct mode to save current consumption for Icon mode and MUX 1:9 (depending on VDD2 and LCD liquid properties)
  • CMOS compatible
  • Remark: Icon mode is a way to save current. When only icons are displayed (i.e. only the lower two rows are active), a much lower operating voltage VLCD can be used and the switching frequency of the LCD outputs is reduced. In most applications it is possible to use VDD as VLCD.

Target Applications

  • Telecom equipment
  • Point-of-sale terminals
  • Portable instruments

Design Resources

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Engineering Services

2 engineering services

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