Character LCD Display 20x2 - RC2002B - Raystar
  • 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 89.0 × 21.5 × 9.64 (MAX) mm
View Area 75.0 × 15.0 mm
Active Area 68.5 × 10.7 mm
Mounting Hole 86.0 × 15.5 mm
Dot / Pixel Size 0.55 × 0.60 mm
Dot / Pixel Pitch 0.60 × 0.65 mm
Character Size 2.95 × 5.15 mm
Character Pitch 3.45 × 5.55 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 Display
Feature LED can be driven by PIN17, PIN18
Pin No. Symbol Description
1 NC No connection
2 NC No connection
3 VSS Ground
4 VDD Power supply for logic
5 VO Contrast Adjustment
6 RS Data/ Instruction select signal
7 R/W Read/Write select signal
8 E Enable signal
9 DB0 Data bus line
10 DB1 Data bus line
11 DB2 Data bus line
12 DB3 Data bus line
13 DB4 Data bus line
14 DB5 Data bus line
15 DB6 Data bus line
16 DB7 Data bus line
17 VLED+ Power supply for B/L+
18 VLED- Power supply for B/L-
19 NC No connection
20 NC No connection

Character LCD Display 20x2 - RC2002B - Raystar

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                           0F       13
DD RAM Address 40 41                           4F       53
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