cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 244
cx25870
Manufacturer Part Number
cx25870
Description
Video Encoder With Adaptive Flicker Filtering And Hdtv Output
Manufacturer
Conexant Systems, Inc.
Datasheet
1.CX25870.pdf
(291 pages)
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Part Number
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Part Number:
cx25870-14P
Manufacturer:
CONEXANT
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Appendix C Autoconfiguration Mode Register Values and Details
Table C-3. CX25870/871 Register Values for Autoconfiguration Modes 11–15 (1 of 2)
C-6
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
0x8A
13
Desktop
RGB
1024x768
Standard
13.44
14.24
–0.80
1400
975
329
131
PAL-BDGHI
68249989
Pixel or
Character
Register
Value
D6
2B
4B
11
20
60
00
FE
E6
87
F8
00
78
14
Game
RGB
320x240,
Pix_Double Set
Standard
13.79
13.58
0.21
1568
300
349
37
NTSC
28195793
Pixel or
Character
Register
Conexant
Value
7D
D5
12
40
00
80
84
96
60
22
27
00
20
Flicker-Free Video Encoder with Ultrascale Technology
15
Game
RGB
320x240,
Pix_Double Set
Standard
15.84
19.79
–3.95
1800
325
385
50
PAL-BDGHI
29250000
Pixel or
Character
Register
Value
13
40
50
80
8A
A4
66
B7
32
EA
27
00
08
16
Desktop
YCrCb
1024x768
1176
133
130
NTSC
Pixel or
Character
Higher
15.11
14.81
0.30
975
68727276
Register
Value
14
20
60
00
D8
EE
71
24
D0
4B
00
98
F2
CX25870/871
17
Desktop
YCrCb
1024x768
Higher
13.44
14.24
–0.80
1400
975
329
131
PAL-BDGHI
68249989
Pixel or
Character
Register
Value
15
D6
2B
4B
20
60
00
FE
E6
87
F8
00
78
100381B
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