BL12864J 1. OLED Display 128 x 64 dots 2. Built-in controller SSD1325 3. +2.4~ +3.5V single power supply 4. 1/64 duty cycle 5. Color: yellow 41.9 x 28.0 38.45 x 20.21 0.255 x 0.255 0.285 x 0.285 Pin Symbol 1 2 3 4 5 6 7 8 9 10 11 12 13~20 21 22 23 24 Vss VSL Vcc VCOMH VDD BS1 BS2 CS# RES# D/C# R/W# E(RD) DB0~DB7 IREF Vcc NC Vss Function Ground The voltage output low level for SEG signals Positive OLED high voltage power supply The COM voltage reference pin Voltage power supply for logic Interface select pin Interface select pin Chip select pin Hardware reset signal This is data/command control pin Data read Data write Data bus line The current reference input pin Positive OLED high voltage power supply No connection Ground 20 Life Time 26 40,000 mA hrs