20x2 Character LCD Module, LCD 20x2 Datasheet, 20x2 LCD Datasheet  - RC2002A
  • 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 × 2 Lines
Module Dimension 116.0 × 37.0 × 13.9 (MAX) mm
View Area 85.0 × 18.6 mm
Active Area 73.5 × 11.5 mm
Mounting Hole 108.0 × 29.0 mm
Dot / Pixel Size 0.60 × 0.65 mm
Dot / Pixel Pitch 0.65 × 0.70 mm
Character Size 3.20 × 5.55 mm
Character Pitch 3.70 × 5.9 mm
IC ST7066 or Equivalent
Interface 6800, option SPI/I2C (RW1063 IC)
Power Supply 5V (Also available for 3V)
Negative voltage optional for 3V power supply
Duty 1/16 duty cycle
Type Character LCD Module
Feature LED can be driven by PIN1, PIN2, PIN15, PIN16 or A and K
Pin No. Symbol Description
1 VSS Ground
2 VDD Power supply for logic
3 VO Contrast Adjustment
4 RS   Data/ Instruction  select signal
5 R/W   Read/Write select signal
6 E   Enable signal
7 DB0   Data bus line
8 DB1   Data bus line
9 DB2   Data bus line
10 DB3   Data bus line
11 DB4   Data bus line
12 DB5   Data bus line
13 DB6   Data bus line
14 DB7   Data bus line
15 A   Power supply for B/L +
16 K   Power supply for B/L -

20x2 Character LCD Module, LCD 20x2 Datasheet, 20x2 LCD Datasheet  - RC2002A

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 3/5 V
Recommended LCD Driving Voltage for Normal Temp.
Version module @25ºC
VDD-VO -- V
Display position 1 2 3 4 5 6 7 8 9 10 11 12 13 --- --- 20
DD RAM Address 00 01                           13
DD RAM Address 40 41                           53
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