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參數(shù)資料
| 型號： | TMC2192 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 10 Bit Video Encoder(10位視頻編碼器) |
| 中文描述： | 10位視頻編碼器（10位視頻編碼器） |
| 文件頁數(shù)： | 21/72頁 |
| 文件大?。?/td> | 396K |
| 代理商： | TMC2192 |
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PRODUCT SPECIFICATION
TMC2192
21
P
Chrominance Processor
Control registers for this section:
Subcarrier Programming
The color subcarrier is produced by an internal 32 bit digital
frequency synthesizer which is completely programmable in
frequency and phase. Separate registers, FREQx, SYSPHx,
BSTPHx, are provided for phase adjustment of the color
burst and of the active video, permitting external delay com-
pensation, color adjustment, etc. FREQx is the subcarrier
phase step per pixel and SYSPHx is phase offset at field 1,
line 1 (line 4 for NTSC), pixel 1.
NTSC Subcarrier
For NTSC encoding, the subcarrier synthesizer frequency
has a simple relationship to the pixel clock period, repeating
over 2 lines: The decimal value for the subcarrier phase step
is:
Where the number of pixels/line is:
This value must be converted to binary and split into four 8
bit registers, FREQM, FREQ2, FREQ3, and FREQL.
PAL Subcarrier
The PAL relationship is more complex, repeating only once
in 8 fields (the well-known 25 Hz offset):
This value must be converted to binary and split as described
previously for NTSC. The number of pixels/line is found as
in NTSC.
PAL-M Subcarrier
SYSPHx establishes the appropriate phase relationship
between the internal synthesizer and the chroma modulator.
The nominal value for SYSPHx is zero.
Other values for SYSPHx must be converted to binary and
split into two 8 bit registers, SYSPHM and SYSPHL.
Burst Phase (BURPHx) sets up the correct relative NTSC
modulation angle. The value for BURPH is:
BURPHx = SYSPHx
This value must be converted to binary and split into two 8
bit registers, BURPHM and BURPHL.
Address
0x06
0x06
0x07
0x11
0x18
0x18
0x3F
0x40
0x41
0x42
0x43
0x44
0x45
0x46
0x47
0x48
0x49
0x4A
Bit(s)
7-6
5-3
5
7
6
5
3
7-0
7-0
7-0
7-0
7-4
3-0
7-4
3-0
7-4
3-0
7-4
Name
FORMAT
MODE
DDSRST
DRSSEL
GLKCTL1
GLKCTL0
GAUSS_BYP
FREQL
FREQ3
FREQ2
FREQM
SYSPHL
SYSPHM
BURPHL
BURPHM
BRSTFULL
BRST1
BRST2
FREQx
pixels line
----455 2
2
32
′
=
pixels line
H Period
PXCK Frequency
=
FREQx
pixels line
-1135 4
)
1 625
(
)
+
2
32
′
=
FREQ
pixels line
----909 4
2
32
′
=
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMC2192KHC | 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TMC2193 | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:10 Bit Encoder |
| TMC2193KJC | 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TMC22 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| TMC22051 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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