• 128x32 OLED Graphic Display, BL12832D

128x32 OLED Graphic Display

● OLED Display 128 x 32 dots
● Built-in controller SPD1307
● +3.3 V single power supply
● 1/32 duty cycle
● Color: white
● Interface: SPI, I2C
Model : BL12832D


BL12832D


BL12832D is 0.91 inch 128x32 dots Graphic OLED Display Modules.

The module dimension of BL12832D is 40 x 11.5 mm and Active Area is 22.38 x 5.58 mm.

It has built-in IC SPD1307 and it supports SPI / I²C interface.

BL12832D required +3.3 V single power supply.

BL12832D is built using COG (Chip on glass) structure that makes it light weight.

BL12832DMIS ultra high brightness and sunlight readable OLED, and recommend for outdoor application such as OLED for wearable device, and OLED for portable devices.

As most industrial OLED displays, the BL-series module offers extremely wide operating temperature range of -40 to + 80°C.


bl12832d-drawing.png





● Mechanical Data

Item

Standard Value

Unit

Module Dimension

40.0 x 11.5 

mm

Viewing Area

24.38 x 7.58

mm

Dot Size

 0.155 x 0.155 

mm

Dot Pitch

0.175 x 0.175

mm




● Pin Assignment

Pin

Symbol

Function

1

VCC

Power supplier for panel driving voltage

2

VLSS

Ground pin. It should be connected to VSS externally.

3

VDD

Power supply for logic circuit

4

CS#

Chip select input

5

RES#

Reset signal input

6

D/C#

This is data/command control pin.

In I²C mode, this pin acts as SA0 for slave address selection.

7

D0

SPI: Serial clock input (SCLK). I²C : NC

8

D1

SPI: Serial data input (SDIN).    I²C : Data input/output (SDA)

9

D2

SPI: NC                                       I²C : Clock input (SCL)               

10

IREF

Reference current input pin.                                                      A resister should be connected between this pin and VSS.

11

VCOMH

Com Voltage Output.                                                                 A capacitor should be connected between this pin and VSS.

12

VCC

Power supplier for panel driving voltage.

13

BS1

MCU bus interface selection pin.

14

VSS

Ground pin.




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