Display LCD 12x2, Raystar LCD 12x2 - RC1202A

Character Display LCD 12x2

Model No. RC1202A

RC1202A is character type LCD display module 12x2 with module dimension 55.7x32.0 mm. This monochrome display LCD 12x2 has built-in IC ST7066. Default interface of RC1202A module is 6800; if you require interface such as SPI or I2C, they’re available as well, but the IC will be replaced with RW1063. Default power supply is 5V (3V is optional). For 3V module, negative voltage version is available.

Raystar provides various LED backlight combinations for RC1202A 12 character x 2 lines LCD display module, such as white and yellow-green. You can choose module with LED backlight or without it. This series offers a selection of LCD mode, including STN negative, blue; STN positive, gray/green-yellow ; FSTN positive, white ; FSTN negative, black. Options for polarizer & font are abundant as well. LCD polarizer type includes transflective, transmissive and reflective; font includes, English/Japanese, European, Cyrillic.

Inquiry or Demo Code Datasheet Back Previous Next
  • 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 / Pixel Size 0.45 × 0.60 mm
Dot / Pixel Pitch 0.55 × 0.70 mm
Character Size 2.65 × 5.50 mm
Character Pitch 3.20 × 6.20 mm
IC 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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