BL12864I2 1.OLED Display 128 x 64 dots 2.Built-in controller SSD1305 3.+2.4~ +3.5V single power supply, with Built-in positive voltage 4.1/64 duty cycle 5.Color: white 6.Option: external positive voltage for LCD 28.22 x 21.63 23.02 x 11.5 0.16 x 0.16 0.18 x 0.18 Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol Vss Vdd CS RES D/C WR RD DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DISPOFF/Vcc Function Ground Power supply for logic Chip select input Reset signal Data/Command select Write signal Read signal Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Display OFF/power supply for LCD 52.5 Life Time 45 200 19,000 mA hrs