Base + 0
Individual Palette Entry
Unused Blue (B)Green (G)Red (R)BPP
(A)
15 01234567891011121314
Mono (M)Unused
A. Bits-per-pixels (BPP) is only contained within the first palette entry (palette entry 0).
Color
Bit
Bit
Mono
15 01234567891011121314
16-Entry Palette Buffer
Palette Entry 0
Palette Entry 1
Palette Entry 14
Palette Entry 15
Bit
15
0
Base + 2
Base + 1Ch
Base + 1Eh
Unused BPP
(A)
.
.
.
.
.
.
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Functional Description
The equations shown in Table 13-9 are used to calculate the total frame buffer size (in bytes) based on
varying pixel size encoding and screen sizes.
Figure 13-6 and Figure 13-7 show more detail of the palette entry organization.
Table 13-9. Frame Buffer Size According to BPP
BPP Frame Buffer Size
1 32 + (Lines × Columns)/8
2 32 + (Lines × Columns)/4
4 32 + (Lines × Columns)/2
8 512 + (Lines × Columns)
12/16 32 + 2 × (Lines × Columns)
Figure 13-6. 16-Entry Palette/Buffer Format (1, 2, 4, 12, 16 BPP)
1111
SPRUH73H–October 2011–Revised April 2013 LCD Controller
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