cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 250

• 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-6. CX25870/871 Register Values for Autoconfiguration Modes 27–30 (1 of 2)
C-12
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
0x7A
0x7C
0x8A
0x8C
0x38
0x76
0x78
0x7E
0x80
0x82
0x84
0x86
0x88
Reserved
27
Conexant
"DVD/CCIR601 Input,
Slave interface"
34
YCrCb
720x480
None (DVD
Playback)
0.00
0.00
0.00
858
262
10
19
NTSC
27000000
Pixel or Character
Register Value
28
B4
D0
5A
0A
Flicker-Free Video Encoder with Ultrascale Technology
10
7E
90
58
03
14
F0
26
15
(5)
"DVD/CCIR601 Input,
Slave interface"
35
YCrCb
720x576
None (DVD
Playback)
0.00
0.00
0.00
864
312
10
22
PAL-BDGHI
27000000
Pixel or Character
Register Value
29
C0
D0
A6
0A
10
7E
98
54
15
17
20
FA
60
(5)
36
Desktop
YCrCb
1024x768
Lower
11.97
11.93
0.04
1170
945
127
115
NTSC
66272724
Pixel Only
Register Value
CX25870/871
D0
D7
30
20
F8
00
EA
E0
37
21
4A
00
92
7F
100381B