cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 243
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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-2. CX25870/871 Register Values for Autoconfiguration Modes 5–10 (2 of 2)
100381B
0x8C
0x8E
0x90
0x92
0x94
0x96
0x98
0x9A
0x9C
0x9E
0xA0
0xA2
0xA4
0xA6
0xA8
0xAA
0xAC
0xAE
0xB0
0xB2
0xB4
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.
0A
0B
71
5A
E0
36
00
50
72
1C
0D
24
F0
58
81
49
8C
0C
8C
79
26
5
42
03
DF
56
58
3A
CD
9C
14
3B
11
0A
E5
74
77
43
85
BA
E8
A2
17
6
Appendix C Autoconfiguration Mode Register Values and Details
Conexant
8C
03
EE
5F
58
3A
66
96
00
00
10
24
F0
57
80
48
8C
18
28
87
1F
7
03
0B
0D
4C
90
36
00
50
46
17
0D
0A
E5
75
79
44
85
C7
71
1C
1F
8
F0
6B
0C
F4
40
90
35
9A
49
8E
E3
0C
24
58
82
49
8C
E9
5D
23
27
9
85
04
CF
82
00
3F
6E
AB
A3
8B
1E
0A
E5
74
77
43
85
00
00
00
14
10
C-5
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