ST STM32F405 Reference Manual page 507

RM0090
31 30 29 28
DCALPHA[7:0]
15 14 13 12
DCGREEN[7:0]
Bits 31:24 DCALPHA[7:0]: Default Color Alpha
Bits 23:16 DCRED[7:0]: Default Color Red
Bits 15:8 DCGREEN[7:0]: Default Color Green
Bits 7:0 DCBLUE[7:0]: Default Color Blue
27 26 25
rw
11 10 9
rw
These bits configure the default alpha value
These bits configure the default red value
These bits configure the default green value
These bits configure the default blue value
RM0090 Rev 18
24 23 22 21
rw rw rw
8 7 6 5
rw rw rw
LCD-TFT controller (LTDC)
20 19 18 17
DCRED[7:0]
rw rw rw rw
4 3 2 1
DCBLUE[7:0]
rw rw rw rw
16
rw
0
rw
507/1749
514