Display LCD 12x2, Raystar LCD 12x2 - RC1202A
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
  • Display Character Address Code
Item Dimension Unit
Dot Matrix (Resolution) 5x8 dots includes cursor dots
Characters × Lines 12 Characters × 2 Lines
Module Dimension 55.7 × 32.0 × 14.5 (MAX) mm
View Area 46.0 × 14.5 mm
Active Area 37.85 × 11.7 mm
Mounting Hole 31.2 × 30.0 mm
Dot Size 0.45 × 0.60 mm
Dot Pitch 0.55 × 0.70 mm
Character Size 2.65 × 5.50 mm
Character Pitch 3.20 × 6.20 mm
View Direction 6 o’clock
Bulit-in Controller ST7066 or Equivalent
Interface 6800, option SPI / I2C (RW1063 IC)
Power Supply 5V (Also aviailable for 3V)
Negative voltage optional for 3V power supply
Duty 1/16 duty cycle
Type Character Display LCD
Pin No. Symbol Description
1 VSS Ground
2 VDD Supply Voltage for logic
3 VO Operating voltage for LCD
4 RS H: DATA, L: Instruction code
5 R/W H: Read   L: Write
6 E Chip 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 +

Display LCD 12x2, Raystar LCD 12x2 - RC1202A

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
DD RAM Address 0 01                 0A 0B
DD RAM Address 40 41                 4A 4B
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