128x64 COG LCD Modules, Chip-on-Glass LCD Module - RX12864A1
128x64 COG LCD Modules, Chip-on-Glass LCD Module - RX12864A1
128x64 COG LCD Modules, Chip-on-Glass LCD Module - RX12864A1
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
Item Dimension Unit
Structure COG
Dot Matrix (Resolution) 128 × 64 dots
Module Dimension 60.1 × 44.5 × 5.01(MAX) mm
View Area 54.6 × 32.0 mm
Active Area 49.89 × 27.49 mm
Dot Size 0.36 × 0.40 mm
Dot Pitch 0.39 × 0.43 mm
View Direction 6 o’clock
Built-in Controller ST7565P or Equivalent
Interface 6800 / 8080 / SPI
Power Supply 3.3V
Duty 1/65 duty cycle, 1/9 Bias
Type Graphic LCD Modules
Pin No. Symbol Description
1 P/S   Selects the interface type: Serial or Parallel.
2 C86   Interface selection 6800/8080
3 VR   LCD Contrast Adjustment when IRS = “L”
4~8 V0~V4 Bias voltage levels for LCD driving
9 CAP2N DC/DC voltage converter.
10 CAP2P DC/DC voltage converter.
11 CAP1P   DC/DC voltage converter.
12 CAP1N DC/DC voltage converter.
13 CAP3P   DC/DC voltage converter.
14 Vout Positive Voltage output
15 VSS Ground
16 VDD Power supply for logic
   17~24   D7~ D0   Data bus line
25 /RD(E) 8080 family: Read signal, 6800 family: Enable clock
26 /WR(R/W) 8080 family: Write signal, 6800 family: Read/Write signal
27 A0 Data/ Instruction  select signal
28 /RES Controller reset signal, Active Low
29 /CS1 This is the chip select signal.

128x64 COG LCD Modules, Chip-on-Glass LCD Module - RX12864A1

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 3.0 V
Recommended LCD Driving Voltage for Normal Temp.
Version module @25ºC
VO-VSS 9.50 V
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