OLED 1.54, 1.54 OLED Graphic Display Support Grayscale - REX012864AA
OLED 1.54, 1.54 OLED Graphic Display Support Grayscale - REX012864AA
OLED 1.54, 1.54 OLED Graphic Display Support Grayscale - REX012864AA
OLED 1.54, 1.54 OLED Graphic Display Support Grayscale - REX012864AA

1.54" OLED Graphic Display Support Grayscale

Model No. REX012864AA

REX012864AA is a 1.54-inch passive matrix OLED module with resolution of 128x64 dots, and built-in SSD1327 controller. There are 2 emitting colors (White / Yellow) available for this OLED module and it also features grayscale. REX012864AA OLED 1.54" display supports 6800 and 8080 parallel, 4-wire SPI, I2C interface.

Our OLED boasts high contrast ratio 10,000:1 making the visual performance stand out from traditional displays. Logic supply voltage ranges from 1.65V-3.5V, the typical value is 3V. The module works within temperature from -40℃ to +80℃; Storage temperature range is -40℃ to +85℃.

★Support Grayscale
Data source ref: REX012864AAWAP3N00000

Inquiry or Demo Code Datasheet Back Previous Next
  • General Specifications
  • Interface Pin Function
  • Contour Drawing
  • Absolute Maximum Ratings
  • Electrical Characteristics
Item Dimension Unit
Structure COG
Size (Diagonal) 1.54 inch
Dot Matrix / Resolution 128 × 64 dots
Module Dimension 42.04 × 27.22 × 1.41 mm
Viewing Area 37.05 × 19.51 mm
Active Area 35.05 × 17.51 mm
Dot / Pixel Size 0.249 × 0.249 mm
Dot / Pixel Pitch 0.274 × 0.274 mm
Emitting Color OLED, White / Yellow
Support Grayscale Yes
Display Mode Passive Matrix
IC SSD1327
Interface 6800,8080,4-Wire SPI,I2C
Power Supply 3V
Duty 1/64 duty
Operating Temperature -40~+80 °C
Storage Temperature -40~+85 °C
Polarizer Type Polarizer optional
Type OLED Graphic Display
Pin No. Symbol Description
1 VSS This is a ground pin.
2 VCC Power supply for panel driving voltage.
3 VCOMH COM signal deselected voltage level.
A capacitor should be connected between this pin and VSS. No external power supply is allowed to connect to this pin.
4 VCI Low voltage power supply and power supply for interface logic level. It should match with the MCU interface voltage level and must be connected to external source.
VCI must always set to be equivalent to or higher than VDD.
5 VDD Power supply pin for core logic operation.
VDD can be supplied externally (within the range of 2.4V to 2.6V) or regulated internally from VCI. A capacitor should be connected between VDD and VSS under all circumstances.
6 BS1 Communicating Protocol Select
These pins are MCU interface selection input. See the following table:
  68XX-parallel 80XX-parallel Serial I2C
BS1 0 1 0 1
BS2 1 1 0 0
7 BS2
8 VSS This is a ground pin.
9 IREF This pin is the segment output current reference pin.
A resistor should be connected between this pin and VSS to maintain the current around 10uA.
10 CS# This pin is the chip select input. The chip is enabled for MCU communication only when CS# is pulled low.
11 RES# This pin is reset signal input. When the pin is low, initialization of the chip is executed. 
12 D/C# This pin is Data/Command control pin connecting to the MCU.
When the pin is pulled HIGH, the data at D[7:0] will be interpreted as data.
When the pin is pulled LOW, the data at D[7:0] will be transferred to a command register.
In I2C mode, this pin acts as SA0 for slave address selection.
13 R/W# (WR#) This pin is read / write control input pin connecting to the MCU interface.
When 6800 interface mode is selected, this pin will be used as Read/Write (R/W#) selection input. Read mode will be carried out when this pin is pulled HIGH and write mode when LOW.
When 8080 interface mode is selected, this pin will be the Write (WR#) input. Data write operation is initiated when this pin is pulled LOW and the chip is selected.
When serial or I2C interface is selected, this pin must be connected to VSS.
14 E/RD# This pin is MCU interface input.
When 6800 interface mode is selected, this pin will be used as the Enable (E) signal.
Read/write operation is initiated when this pin is pulled HIGH and the chip is selected.
When 8080 interface mode is selected, this pin receives the Read (RD#) signal. Read operation is initiated when this pin is pulled LOW and the chip is selected.
When serial or I2C interface is selected, this pin must be connected to VSS.
15 D0 These pins are 8-bit bi-directional data bus to be connected to the microprocessor’s data bus. When serial mode is selected, D1 will be the serial data input SDIN and D0 will be the serial clock input SCLK.
16 D1
17 D2
18 D3
19 D4
20 D5
21 D6
22 D7
23 VCC Power supply for panel driving voltage.
24 VSS This is a ground pin.

OLED 1.54, 1.54 OLED Graphic Display Support Grayscale - REX012864AA

Parameter Symbol Min Max Unit
Low voltage power supply, power supply for I/O pins VCI -0.3 4.0 V
Supply Voltage for Logic VDD -0.5 2.75 V
Supply Voltage for Display VCC -0.5 19.0 V
Operating Temperature TOP -40 +80 °C
Storage Temperature TSTG -40 +85 °C

DC Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Low voltage power supply,
power supply for I/O pins		 VCI － 1.65 3.0 3.5 V
Supply Voltage for Display VCC － 8.0 12.5 13.0 V
Supply Voltage for Logic VDD － 1.65 － 2.6 V
High Level Input VIH － 0.8×VCI － VCI V
Low Level Input VIL － 0 － 0.2×VCI V
High Level Output VOH － 0.9×VCI － VCI V
Low Level Output VOL － 0 － 0.1×VCI V
50% Check Board operating Current ICC VCC =12.5V － 10 20 mA

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