STMicroelectronics STM32F405 Reference Manual page 502

LCD-TFT Controller (LTDC)
Bits 31:27 Reserved, must be kept at reset value
Bits 26:16 WVSPPOS[10:0]: Window Vertical Stop Position
Bits 15:11 Reserved, must be kept at reset value
Bits 10:0 WVSTPOS[10:0]: Window Vertical Start Position
Example:
The LTDC_BPCR register is configured to 0x000E0005 (AVBP[10:0] is 0x5) and the
LTDC_AWCR register is configured to 0x028E01E5 (AAH[10:0] is 0x1E5). To configure the
vertical position of a window size of 630x460, with vertical start offset of 8 lines in the Active
data area:
1. Layer window first line: WVSTPOS[10:0] should be programmed to 0xE (0x5 + 1 + 0x8)
2. Layer window last line: WVSPPOS[10:0] should be programmed to 0x1DA
16.7.17 LTDC Layerx Color Keying Configuration Register (LTDC_LxCKCR)
(where x=1..2)
This register defines the color key value (RGB), which is used by the Color Keying.
Address offset: 0x90 + 0x80 x (Layerx -1), Layerx = 1 or 2
Reset value: 0x0000 0000
31 30 29 28
15 14 13 12
CKGREEN[7:0]
Bits 31:24 Reserved, must be kept at reset value
Bits 23:16 CKRED[7:0]: Color Key Red value
Bits 15:8 CKGREEN[7:0]: Color Key Green value
Bits 7:0 CKBLUE[7:0]: Color Key Blue value
502/1731
These bits configures the last visible line of the layer window.
These bits configure the first visible line of the layer window.
27 26 25
Reserved
11 10 9
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24 23 22 21
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8 7 6 5
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20 19 18 17
CKRED[7:0]
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4 3 2 1
CKBLUE[7:0]
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RM0090
16
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0
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