256x64 OLED Graphic Display
● Built-in controller SSD1322
● + 3.3 V single power supply,
with Built-in positive voltage
● 1/64 duty cycle
● Serial or parallel interface
● Color: white
● Option: external positive voltage for LCD
● 16 Gray Scale
BL25664B
BL25664B is 3.21 inch 256X64 dots Graphic OLED Display Modules.
The module dimension of BL25664B is 87.4 x 28.5 mm and Active Area is 79.084 x 19.756 mm.
It has built-in IC SSD1322 and it supports serial or parallel interface.
BL25664B required + 3.3 V single power supply with Built-in positive voltage.
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
87.4 x 28.5
mm
Viewing Area
81.08 x 21.75
mm
Dot Size
0.289 x 0.289
mm
Dot Pitch
0.309 x 0.309
mm
● Pin Assignment
Pin
Symbol
Function
1
Vss
Ground
2
Vdd
Power supply for logic
3
CS
Chip select input
4
RES
Reset signal
5
D/C
Data/command select
6
WR
Write signal
7
RD
Read signal
8~15
DB0~DB7
Data bus
16
DISPOFF/Vcc
Display OFF/power supply for LCD
