SLAU723A October 2017 – October 2018 MSP432E401Y , MSP432E411Y
The palette frame buffer for 1, 2, 4, and 8-bpp data supports passive and active matrix displays. Active matrix is enabled by setting the TFT bit in the LCD Raster Control (LCDRASTRCTL) register. When the TFTMAP is set to 0, the output from the palette look-up is a 12-bpp BGR pixel as shown in Figure 20-4, where each color is a 4-bit value. This output is sent to LCDDATA [11:0]. By setting TFTMAP to 1, the pixel data output is converted to a 16-bit BGR565 format. The extra least significant are dithered by replication of the component values' most significant bits. Figure 20-12 shows this conversion.