128x64 Graphic COG LCD Module - RX12864D3
128x64 Graphic COG LCD Module - RX12864D3
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
Item Dimension Unit
Structure COG
Dot Matrix (Resolution) 128 × 64 dots
Module Dimension 80.0 × 54.0 × 9.5 (MAX) mm
View Area 70.7 × 38.8 mm
Active Area 66.52 × 33.24 mm
Dot Size 0.48 × 0.48 mm
Dot Pitch 0.52 × 0.52 mm
View Direction 6 o’clock
Built-in Controller ST7565P or Equivalent
Interface 6800 / 8080 / SPI
Power Supply 3.3V
Duty 1/64 duty cycle, 1/9 Bias
Type Graphic LCD Display
Pin No. Symbol Description
1 /CS1   The chip select signal
2 /RES   Controller reset signal, Active Low
3 A0 Data/ Instruction  select signal
4 /WR(R/W)   8080 family: Write signal, 6800 family: Read/Write signal
5 /RD(E) 8080 family: Read signal, 6800 family: Enable clock
6~13 D0~D7 Data bus line
14 VDD Power supply for logic
15 VSS Ground
16 Vout Positive Voltage output
17 CAP5+   DC/DC voltage converter.
18 CAP3+   DC/DC voltage converter.
19 CAP1- DC/DC voltage converter.
20 CAP1+   #N/A
21 CAP2+ DC/DC voltage converter.
22 CAP2- DC/DC voltage converter.
23 CAP4+   DC/DC voltage converter.
24 VRS This is the internal-output VREG power supply for the LCD
power supply voltage regulator.
25 V4 Bias voltage levels for LCD driving
26 V3 Bias voltage levels for LCD driving
27 V2 Bias voltage levels for LCD driving
28 V1 Bias voltage levels for LCD driving
29 V0 Bias voltage levels for LCD driving
30 VR LCD Contrast Adjustment when IRS = “L”
31 C86 Interface selection 6800/8080
32 P/S Selects the interface type: Serial or Parallel.
33 /HPM Control power supply for LCD “H”: Normal mode,  “L”: High power mode
34 IRS Selects the resistors for the V0 voltage level adjustment

128x64 Graphic COG LCD Module - RX12864D3

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 3.0 V
Recommended LCD Driving Voltage for Normal Temp.
Version module @25ºC
VO-VSS 10.0 V
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