FEDL87V3104-03
OKI Semiconductor
ML87V3104
2.2 Display screen composition
The display screen consists of the main screen with a size equal to the display size of the LCD panel, and a
sub-screen displayed in a smaller area within the main screen. (Fig. F2.2.1)
In the case of a color LCD panel, one set of the three colors (RGB) is considered as one pixel. (Fig. F2.2.2)
(1)
(6)
Main screen
Sub-screen
(2)
(4)
(5)
(3)
Fig. F2.2.1 The display screen composition
1 Pixel
1 Line
1 Line
1 Pixel
(a) Monochrome LCD
(b) Color LCD
Fig. F2.2.2 The LCD panel dot composition
•
Control registers:
(1) MSCSZH
(2) MSCSZV
(3) SSCSZH
(4) SSCSZV
(5) SDPOSH
(6) SDPOSV
[#21h, #20h]:
Horizontal display size
≤
1024 pixels
[#23h, #22h]: Vertical display size
≤
1024 lines
[#25h, #24h]: Sub-screen horizontal display size < (1)
[#27h, #26h]: Sub-screen vertical display size < (2)
[#29h, #28h]: Sub-screen horizontal display position < (1)
[#2Bh, #2Ah]: Sub-screen vertical display position < (2)
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