r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 931
r8a77850anbg
Manufacturer Part Number
r8a77850anbg
Description
Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R8A77850ANBG.pdf
(1692 pages)
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Part Number:
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19.3.34 Plane n Display Size X Register (PnDSXR) (n = 1 to 6)
The plane n display size X registers (PnDSXR, n = 1 to 6) set the display size in the horizontal
direction of plane n. The value is retained during power-on reset and manual reset.
Internal update:
Internal update:
Bit
7 to 0
Bit
31 to 11 ⎯
10 to 0
Initial value:
Initial value:
R/W:
R/W:
Bit:
Bit:
Bit Name
PnALPHA
Bit Name
PnDSX
31
15
—
—
R
R
0
0
30
14
—
—
R
R
0
0
Initial
Value
Undefined R/W
Initial
Value
All 0
Undefined R/W
29
—
13
—
R
R
0
0
28
12
—
—
R
R
0
0
R/W
R/W
R
27
11
—
—
R
R
0
0
Internal
Update
Yes
Internal
Update
⎯
Yes
R/W
26
10
—
—
O
R
0
R/W
25
—
—
O
R
0
9
Plane n Blending Ratio
Description
The alpha value (α) which is the blend ratio for
plane n should be set.
Blending result = (α × plane n + (H'100 − α) ×
lower plane)/ H'100
Note: Blending result, α, plane n, and lower
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
Plane n Display Size X
The horizontal-direction display size of plane n
should be set in dot clock units.
Note: When YC is set by the PnDDF bit in
R/W
24
—
—
R
O
0
8
plane in the above formula are all 8-bit
data.
PnMR, this value should be set to an even
number.
R/W
23
—
—
R
O
0
7
Rev.1.00 Jan. 10, 2008 Page 901 of 1658
R/W
22
—
—
R
O
0
6
PnDSX
R/W
21
—
—
O
R
0
5
R/W
20
—
—
O
R
0
4
R/W
19. Display Unit (DU)
19
—
—
R
O
0
3
REJ09B0261-0100
R/W
18
—
—
R
O
0
2
R/W
17
—
—
R
O
0
1
R/W
16
—
—
O
R
0
0
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