CX25870 Datasheet, PDF (256/291 Pages) Conexant Systems, Inc – Video Encoder with Adaptive Flicker Filtering and HDTV Output

Appendix C Autoconfiguration Mode Register Values and Details
CX25870/871
Flicker-Free Video Encoder with Ultrascale Technology
Table C-9. CX25870/871 Register Values for Autoconfiguration Modes 43–47 (1 of 2)
Autoconfiguration Mode #
43
44
45
Auto-Config Register (index
0xB8) Hexadecimal Value:
Purpose of Mode:
53
Desktop
Type of Digital Input:
Active Resolution:
RGB
1024x768
Overscan Ratio:
Higher
Horizontal Overscan
Ratio/Percentage (HOC):
Vertical Overscan
Ratio/Percentage (VOC):
Overscan Percentages Delta
(HOC - VOC):
H_CLKI = HTOTAL
VLINES_I = VTOTAL
H_BLANKI = Horizontal
Blanking Region
V_BLANKI = Vertical
Blanking Region
Type of Video Output:
16.20
16.67
–0.47
1410
1000
337
147
PAL-BDGHI
54
55
DVD/noninterlaced
input
RGB
720x480
Very Low (DVD
Playback)
1.24
Game
RGB
320x200,
Pixel_Double Set
Standard
20.20
1.23
21.40
0.01
–1.20
880
1848
525
275
140
429
36
43
NTSC
NTSC
Frequency of CLK (Hz)
Type of Clock:
Register Address
0x38
0x76
0x78
0x7A
0x7C
0x7E
0x80
0x82
0x84
0x86
0x88
70499989
Pixel Only
Register
Value
24
C0
00
DC
08
F0
BF
2F
F1
4B
00
27692310
Pixel or Character
30461552
Pixel or Character
Register Value Register Value
00
40
E0
90
D0
80
82
90
92
A2
5C
72
1B
CD
13
2B
F2
C2
26
27
00
00
46
56
Desktop for
Brazil
RGB
640x480
Standard
13.79
13.58
0.21
784
600
126
75
PAL-M (Brazil)
28195793
Pixel Only
Register
Value
00
00
80
84
A4
6A
7D
22
D4
27
00
47
57
Desktop for
Argentina
RGB
640x480
Standard
16.56
16.67
–0.11
944
625
266
90
PAL-Nc
(Argentina)
29500008
Pixel Only
Register
Value
00
60
80
8A
A6
70
C1
2E
F2
27
00
C-18
Conexant
100381B