1.VCC:Power 2.GND:Power Ground 3.SCL:This pin is used to be serial interface clock 4.SDA:SPl interface input/output pin.the data is latched on the rising edge of the SCL signal. 5.DC:Display data/command selection pin in 4-line serial interface 6.CS:Chip selection pin;Low enable, high disable 7.RST:This signal will reset the device and it must be applied to properly initialize the chip.Signal is active low.