cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 257
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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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CX25870/871
Flicker-Free Video Encoder with Ultrascale Technology
Table C-9. CX25870/871 Register Values for Autoconfiguration Modes 43–47 (2 of 2)
100381B
NOTE(S):
1. RGB digital input denotes that the CX25870/871 will be configured to receive the RGB default pixel input mode after an
2. YCrCb digital input denotes that the CX25870/871 will be configured to receive YCrCb pixel data after an autoconfiguration
3. CX25870/871 registers not listed in this table (including IN_MODE[3:0]) do not get reprogrammed as a result of an
4. Pixel or Character signifies that this overscan ratio is acceptable for 8-clock per character graphics controllers or pixel-clock
5. The CX25870/871 will be in master interface immediately after any autoconfiguration mode EXCEPT Mode 28 and Mode 29.
6. Mode 44 would ideally have 858 clocks per line. However, since 858 is not a multiple of 8, then 880 clocks per line was
7. These autoconfiguration values assume a 13.500 MHz crystal resides between the XTALIN and XTALOUT pins. If the
Autoconfiguration Mode #
autoconfiguration command, which is 24-bit, RGB-multiplexed (i.e., IN_MODE[3:0] = 0000). If the desired RGB pixel input
mode is NOT 24-bit RGB multiplexed, the CX25870/871’s IN_MODE[3:0] bits must be programmed to the desired RGB pixel
input mode immediately before initiating a write to the CONFIG[5:0] bits.
command. The CX25870/871's IN_MODE[3:0] bits must be programmed to the desired YCrCb pixel input mode immediately
before initiating a write to the CONFIG[5:0] bits.
autoconfiguration command.
controllers.
utilized instead.
14318_XTAL bit is set, then these autoconfiguration values will automatically change to reflect the presence of a 14.318 MHz
crystal.
0xAA
0xAC
0x8A
0x8C
0x8E
0x90
0x92
0x94
0x96
0x98
0x9A
0x9C
0x9E
0xA0
0xA2
0xA4
0xA6
0xA8
0xAE
0xB0
0xB2
0xB4
0D
43
82
51
E8
93
00
33
A3
55
55
24
56
7E
47
8C
9B
29
26
18
3F
1F
F0
Appendix C Autoconfiguration Mode Register Values and Details
Conexant
44
8C
0D
E0
00
C5
0C
0A
D1
70
03
24
36
50
4E
E5
76
79
44
85
45
17
21
45
AD
2B
C8
C3
D9
0D
0A
38
1F
13
31
40
89
E5
75
78
44
85
33
28
15
1E
DB
46
10
7E
03
58
4B
E0
36
92
54
0E
88
0C
2A
57
80
48
8C
6E
76
20
F0
0D
47
B0
0A
0B
71
5A
E0
36
00
50
72
1C
24
57
80
48
8C
1E
C0
15
F0
1F
C-19
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