LCD COG Display Module 128x64 - RX12864D2
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
Item Dimension Unit
Structure COG
Dot Matrix / Resolution 128 × 64 dots
Module Dimension 90.0 × 52.8 × 6.6 (MAX) mm
View Area 70.7 × 38.8 mm
Active Area 66.52 × 33.24 mm
Dot / Pixel Size 0.48 × 0.48 mm
Dot / Pixel Pitch 0.52 × 0.52 mm
IC 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 This is the chip select signal. When /CS1 = “L” , then the chip
select becomes active, and data/command I/O is enabled.
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 DB0 Data bus line
7 DB1 Data bus line
8 DB2 Data bus line
9 DB3 Data bus line
10 DB4 Data bus line
11 DB5 Data bus line
12 DB6 Data bus line
13 DB7 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

LCD COG Display Module 128x64 - RX12864D2

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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