Character LCD Display 20x4 - RC2004E
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
  • Display Character Address Code
Item Dimension Unit
Dot Matrix / Resolution 5×8 dots includes cursor dots
Characters × Lines 20 Characters × 4 Lines
Module Dimension 87.0 × 58.0 × 13.6 (MAX) mm
View Area 74.4 × 24.8 mm
Active Area 70.4 × 20.8 mm
Mounting Hole 82.0 × 53.0 mm
Dot / Pixel Size 0.55 × 0.55 mm
Dot / Pixel Pitch 0.60 × 0.60 mm
Character Size 2.95 × 4.75 mm
Character Pitch 3.55 × 5.35 mm
IC RW1063 or Equivalent
Interface 6800, option SPI / I2C
Power Supply 5V (Also available for 3V)
Negative voltage optional for 3V power supply
Duty 1/16 duty cycle
Type Character LCD Display
Feature LED can be driven by PIN1, PIN2, PIN15, PIN16 or A and K
Symbol Description
VSS Ground
VDD Power supply for logic
VO Contrast Adjustment
RS   Data/ Instruction  select signal 
R/W   Read/Write select signal
E   Enable signal
DB0   Data bus line
DB1   Data bus line
DB2   Data bus line
DB3   Data bus line
DB4   Data bus line
DB5   Data bus line
DB6   Data bus line
DB7   Data bus line
A   Power supply for B/L +
K   Power supply for B/L -

Character LCD Display 20x4 - RC2004E

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 3/5 V
Recommended LCD Driving Voltage for Normal Temp.
Version module @25ºC
VDD-VO 4.20 V
Display position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
DD RAM Address 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13
DD RAM Address 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 52 53
DD RAM Address 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 20 21 22 23 24 25 26 27
DD RAM Address 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F 60 61 62 63 64 65 66 67
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