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W90P710CD Datasheet, PDF (283/552 Pages) Winbond – 32-BIT ARM7TDMI-BASED MCU
W90P710CD/W90P710CDG
N BPP
1 BPP (Black / White)
2 BPP (4 gray-level)
4 BPP (16 gray-level)
8 BPP ( RGB 332)
12 BPP (RGB 444)
16 BPP (RGB 565)
18 BPP (RGB 666)
24 BPP (RGB 888)
W (WORD)
X % 32
X % 16
X%8
X%4
X%2
X%2
X%1
X%1
The first limitation is W must be a integer. The second limitation is W must be a multiple of 8 for Color
STN panel. W can be a multiple of 4, 8 or 16 for other kind of panel. If W is a multiple of 4, the register
value of F1BURSTY (FIFO1PRM register) must be set to 00. If W is a multiple of 8, the register value
of F1BURSTY (FIFO1PRM register) must be set to 01. If W is a multiple of 16, the register value of
F1BURSTY (FIFO1PRM register) must be set to 10.
If there is a picture with N BPP and horizontal width X pixel which is not following the limitation, define
R is quotient of W, and S is quotient of R % 16. Then the value of F1COLCNT (F1DREQCNT register)
can be set to D = (S + 1) * 16, DISPWXE can be set to X. Define E = D * 4. When software is writing
the picture raw data into SDRAM and reach the address of X * 4, software must jump to address E + 1
and then keep on writing data.
6.10.3.5 Color Generation
Video Lookup Table Entry Index 1 Register (VDLUTENTY1)
REGISTER
ADDRESS
R/W
DESCRIPTION
VDLUTENTY1 0xFFF0_8050 R/W Video lookup table entry index 1
RESET VALUE
0x0000_0000
31
30
29
28
27
26
25
24
VDLUTENTY1[31:24]
23
22
21
20
19
18
17
16
VDLUTENTY1[23:16]
15
14
13
12
11
10
9
8
VDLUTENTY1[15:8]
7
6
5
4
3
2
1
0
VDLUTENTY1[7:0]
Publication Release Date: September 19, 2006
- 283 -
Revision B2