256x64 OLED Graphic Display
● Built-in controller SSD1322
● +2.4~ +3.5 V single power supply
● 1/64 duty cycle
● Color: Monochrome with 16Gray Scales(Green)
● Interface: Parallel, 3-/4-wire SPI
BL25664D
BL25664D is 5.5 inch 256X64 dots Graphic OLED Display Modules.
The module dimension of BL25664D is 146.0 x 65.00 mm and Active Area is 135.65 x 33.89 mm.
It has built-in IC SSD1322 and it supports parallel or 3-/4-wire SPI interface.
BL25664D required +2.4~ +3.5 V single 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
146.0 x 65.0
mm
Active Area
135.65 x 33.89
mm
Dot Size
0.50 x 0.50
mm
Dot Pitch
0.53 x 0.53
mm
● Pin Assignment
Pin
Symbol
Function
1
N.C.(GND)
Reserved Pin(Supporting Pin)
2
VSS
Ground of Logic Circuit
3
VCC
Power Supply for OEL Panel
4
VCOMH
Voltage Output High Level for COM signal
5
VLSS
Ground of Analog Circuit
6~13
D7~D0
Host Data Input/Output Bus
14
E/RD#
Read/Write Enable or Read
15
R/W#
Read/Write Select or Write
16
BS0
Communicating Protocol Select
17
BS1
Communicating Protocol Select
18
D/C#
Data/Command Control
19
CS#
Chip Select
20
RES#
Power Reset for Controller and Driver
21
FR
Frame Frequency Triggering Signal
22
IREF
Current Reference for Brightness Adjustment
23
N.C.
Reserved Pin
24
VDDIO
Power Supply for I/P Pin
25
VDD
Power Supply for Core Logic Circuit
26
VCI
Power Supply for Operation
27
VSL
Voltage Output Low Lvevl for SEG Signal
28
VLSS
Ground of Analog Circuit
29
VCC
Power Supply for OEL Panel
30
N.C.(GND)
Reserved Pin(Supporting Pin)
