W90221X Winbond Electronics Corp America, W90221X Datasheet - Page 65

• Manufacturer Part Number: W90221X
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

VPOST Control Register (VPC)
Port address: 0x00000100
Bits 0-3
Bits 4-7
Bit 8
Bit 9
Bit 10
Bit 11
Bits 12- 13
Bits 14-15
W90221X version 0.6
DISP_ON
Reserved
BGSEL
16
24
00
01
10
11
0
8
0
1
0
1
0
1
GFX_HUP GFX_VUP OFFSET
FLK_ON
CSW
17
25
1
9
Reserved
Reserved
Wait_Yoff
Wait_Yoff = 2 x SCLK / 13.5MHz
Reserved
CbCr swap for 8-bit YCbCr video output mode
Output sequence is Cb0, Y0, Cr0, Y1, Cb2, Y2, Cr2, Y3, etc. (CCIR-
656)
Output sequence is Cr0, Y0, Cb0, Y1, Cr2, Y2, Cb2, Y3, etc. (CCIR-
656)
HSYNC output pin polarity
Negative sync pulse
Positive sync pulse
VSYNC output pin polarity
Negative sync pulse
Positive sync pulse
3-line flicker-free filter mode
2D filter with 121, 242, 121 weightings
1D filter with 121 weightings
2D filter with 131, 141, 131 weightings
1D filter with 565 weightings
BPP (bits per pixel) for graphics stream
GFX_EN
HP
10
18
26
2
Access type: read/write
VA_EN
VP
11
19
27
3
OPA_EN HWC_EN WINKEN
AJEN
12
20
28
Flicker Mode
4
AJCTL
13
21
29
5
Wait_Yoff
Default: 0x00000000
FAL_D
14
22
30
6
BPP
COLKEN
DIG_ON
15
23
31
7
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