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Simulation
The model for SPI-based SSD1306 OLED display is not available in Proteus VSM and so it cannot be
simulated. Only the pinouts are shown in the schematic below.
Explanation
The code here basically uses the same functions as in the previous example except for the fact that
USCI_B0 is used in half-duplex mode here. The rest of the code is the driver implementation for
SSD1306 OLED display. Note that the driver has been cut short of graphical functions due to low
memory capacity of Value-Line Devices. Explaining the operation of the OLED display is beyond the
scope of this article.