Top Positive Review for %s on Banggood, Shop best %s with lowest price on Banggood. Browse most helpful positive review for %s before you buy., rc toys, fun sports, fashion, popular electronics
Cliff L. McCreight17/02/2018
Five stars for being cheap. Almost gave it three for the absolute lack of documentation, but you can figure out most of it if you dig up the manufacturer's datasheet on Google. Here's what you need to know:
GND: Ground.
VCC: Power supply for panel driving voltage.
D0~D7: These are 8-bit bi-directional data bus to be connected to the microprocessor’s data bus.
When serial interface mode is selected, D0(SCLK) will be the serial clock input, D1(SDIN) will be the serial data input, D2 should be left opened.
When I2C mode is selected, D1(SDA in) AND D2(SDA out) should be tied together; D0(SCL) is the I2C clock input
RES: This pin is reset signal input. When the pin is pulled LOW, initialization of the chip is executed. Keep this pin HIGH (i.e. connect to VDD) during normal operation.
DC: This is DATA/COMMAND control pin. When it is Pulled HIGH, the data at D[0~7] is treated as data. When it is pulled LOW, the data at D[0~7] will be transferred to the command register.
In I2C mode, this pin acts as SA0 for slave address select.
(Not used for serial mode)
CS: This pin is the chip select input. (Active LOW)
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