ST STM32L4+ Series Reference Manual page 916

LCD-TFT display controller (LTDC)
29.8.20 LTDC layer x default color configuration register
(LTDC_LxDCCR)
This register defines the default color of a layer in the format ARGB. The default color is
used outside the defined layer window or when a layer is disabled. The reset value of
0x00000000 defines a transparent black color.
Address offset: 0x9C + 0x80 * (x - 1), (x = 1 to 2)
Reset value: 0x0000 0000
31 30 29 28
DCALPHA[7:0]
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15 14 13 12
DCGREEN[7:0]
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Bits 31:24 DCALPHA[7:0]: default color alpha
These bits configure the default alpha value.
Bits 23:16 DCRED[7:0]: default color red
These bits configure the default red value.
Bits 15:8 DCGREEN[7:0]: default color green
These bits configure the default green value.
Bits 7:0 DCBLUE[7:0]: default color blue
These bits configure the default blue value.
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27 26 25 24
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11 10 9 8
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RM0432 Rev 6
23 22 21 20
DCRED[7:0]
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7 6 5 4
DCBLUE[7:0]
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RM0432
19 18 17 16
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3 2 1 0
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