128x56 OLED Graphic Display
● Built-in controller SSD1309
● 1.65V ~ 3.3 V power supply
● Transparent OLED
● Color: Light Blue
BL12856A
BL12856A is 1.51 inch 128x56 dots light blue color Graphic OLED Display Modules.
The module dimension of BL12856A is 42.04 x 63.22 mm and Active Area is 35.05 x 15.32 mm.
It has built-in IC SSD1309 and it supports SPI interface.
BL12856A required + 1.65V ~ 3.3 V power supply.
As most industrial OLED displays, the BL-series module offers extremely wide operating temperature range of -40 to + 80°C.
● Mechanical Data
Item
Standard Value
Unit
Module Dimension
42.04 x 63.22
mm
Active Area
35.05 x 15.32
mm
Dot Size
0.254 x 0.254
mm
Dot Pitch
0.274 x 0.274
mm
● Pin Assignment
Pin
Symbol
Function
1,24
NC
No connection
2
VLSS
Ground(Analog).
3
VSS
Ground.
4
NC
No connection
5
VDD
Power supply for logic.
6
BS1
Interface select pin.
7
BS2
Interface select pin.
8
CS#
Chip select input.
9
RES#
Hardware reset pin.
10
D/C#
This is data/command control pin.
11
R/W#
Data write.
12
E/RD#
Data read.
13~20
D7~D0
Data bus.
21
IREF
The current reference input pin
22
VCOMH
Com Voltage Output.
23
VCC
Power supply for panel voltage.
