COG LCD Display, LCD COG Display Module, Display COG, RX12864B
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
Item Dimension Unit
Structure COG
Dot Matrix / Resolution 128 × 64 dots
Module Dimension 89.7 × 49.8 × 12.1 (MAX) mm
View Area 69.0 × 36.5 mm
Active Area 63.97 × 31.97 mm
Mounting Hole 82.7 × 40.2 mm
Dot Size 0.47 × 0.47 mm
Dot Pitch 0.5 × 0.5 mm
Built-in Controller ST7565P or Equivalent
Interface (Communication Interface) 6800 / 8080 / SPI
Power Supply / Operating voltage 3.3V
Duty 1/65 duty cycle, 1/9 Bias
Type Graphic LCD Display
Pin No. Symbol Description
1 /CS1B  This is 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 CAP3P DC/DC voltage converter.
18 CAP1N DC/DC voltage converter.
19 CAP1P DC/DC voltage converter.
20 CAP2P DC/DC voltage converter.
21 CAP2N DC/DC voltage converter.
22~26 V4~ V0 Bias voltage levels for LCD driving
27 VR LCD Contrast Adjustment when IRS = “L”
28 C86 Interface selection 6800/8080
29 P/S Selects the interface type: Serial or Parallel.
30 NC No connection

COG LCD Display, LCD COG Display Module, Display COG, RX12864B - Raystar

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 3.0 V
Recommended LCD Driving Voltage for Normal Temp.
Version module @25ºC
VO-VSS 9.45 V
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