cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 256

• Manufacturer Part Number: cx25870
• Description: Video Encoder With Adaptive Flicker Filtering And Hdtv Output
• Manufacturer: Conexant Systems, Inc.

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