256x128 LCD, LCD 256x128 - RX256128A
256x128 LCD, LCD 256x128 - RX256128A
256x128 LCD, LCD 256x128 - RX256128A
256x128 LCD, LCD 256x128 - RX256128A
256x128 LCD, LCD 256x128 - RX256128A
256x128 LCD, LCD 256x128 - RX256128A
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
Item Dimension Unit
Structure COG
Dot Matrix (Resolution) 256 × 128 dots includes cursor dots
Module Dimension 80.0 × 54.0 × 9.5 (MAX) mm
View Area 70.7 × 38.8 mm
Active Area 66.54 × 33.26 mm
Dot Size 0.24 × 0.24 mm
Dot Pitch 0.26 × 0.26 mm
View Direction 6 o’clock
Bulit-in Controller ST75256 or Equivalent
Interface 8080 / 6800 / I2C / SPI-4
Power Supply 3.3V
Duty 1/128 duty, 1/12 bias
Type Graphic LCD Module
Pin No. Symbol Description
1 ITOGND ESD PIN
2 VG Power of SEG-drivers
3 V0 Positive operating voltage of COM-drivers
4 XV0 Negative operating voltage of COM-drivers
5  CA1P DC/DC Voltage converte pin
6 CA1N DC/DC Voltage converte pin
7 VDDA +3.3V
8 VDD +3.3V
9 VSS ground
10 COMSCN Set scan directing of COM
11 IF1
These pins select interface operation mode.
IF1 IF0 MPU interface type
L L 4-line serial interface
L H IIC serial interface
H L 8-bit 6800 parallel interface
H H 8-bit 8080 parallel interface
 
12 IF0
13 CSB Chip select input pin
14 A0 Whether the access is related to data or command
15 ERD Read or write enable terminal
16 RWR Read/Write execution control pin
17 RSTB Reset input pin
18~25 D0~D7 Data bus line
26 ITOGND ESD PIN

256x128 LCD, LCD 256x128 - RX256128A

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 3.3 V
Recommended LCD Driving Voltage for Normal Temp.
Version module @25ºC
VOP 14.5 V
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