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參數(shù)資料
| 型號： | TMC22191R0C |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | Digital Video Encoders/Layering Engine |
| 中文描述： | COLOR SIGNAL ENCODER, PQCC84 |
| 封裝： | PLASTIC, LCC-84 |
| 文件頁數(shù)： | 33/60頁 |
| 文件大?。?/td> | 293K |
| 代理商： | TMC22191R0C |
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PRODUCT SPECIFICATION
TMC22091/TMC22191
33
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 is:
This value must be converted to binary and split into four
8-bit registers, FREQM, FREQ2, FREQ3, and FREQL. The
number of pixels/line is:
Pixels/line = (2/PXCK frequency) (H period)
SYSPH establishes the appropriate phase relationship
between the internal synthesizer and the chroma modulator.
The nominal value for SYSPH is zero.
Other values for SYSPH must be converted to binary and
split into two 8-bit registers, SYSPHM and SYSPHL.
Burst Phase (BURPH) sets up the correct relative NTSC
modulation angle. The value for BURPH is:
BURPH = SYSPH + 8,192
This value must be converted to binary and split into two
8-bit registers, BURPHM and BURPHL. The decimal num-
ber 8,192 advances the burst phase by 45
°
.
FREQ
pixels/line
)
)
-------455 2
2
32
×
=
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.
For PAL, the decimal value for SYSPH is found from:
This value must be converted to binary and split into two
8-bit registers, SYSPHM and SYSPHL. Burst Phase in PAL
is identical to SYSPH. Therefore, the same values for
SYSPHM and SYSPHL must be used for BURPHM and
BURPHL.
PAL-M Subcarrier
FREQ
-1135 4
)
1 625
)
(
)
+
pixels/line
2
32
×
=
SYSPH
2
FREQ
BURPH
=
=
FREQ
pixels/line
)
)
-------909 4
2
32
×
=
SYSPH
2
FREQ
BURPH
=
=
Table 13. Standard Subcarrier Parameters
Standard
Field
Rate
(Hz)
Horizontal
Freq.
(kHz)
Pixel
Rate
(MHz)
PXCK
Freq.
(MHz)
Sub-carrier
Freq.
(MHz)
Subcarrier Register (hex)
BURPHM
27
BURPHL
26
SYSPHM
25
SYSPHL
24
FREQM
23
FREQ2
22
FREQ3
21
FREQL
20
NTSC sqr.
pixel
59.94
15.734266
12.27
24.54
3.57954500
20
00
00
00
4A
AA
AA
AB
NTSC
CCIR-601
59.94
15.734266
13.50
27.00
3.57954500
20
00
00
00
43
E0
F8
3E
NTSC 4x
fSC
59.94
15.734266
14.32
28.64
3.57954500
20
00
00
00
40
00
00
00
PAL sq.
pixel
50.00
15.625000
14.75
29.50
4.43361875
00
00
00
00
4C
F3
18
19
PAL
CCIR-601
50.00
15.625000
13.50
27.00
4.43361875
00
00
00
00
54
13
15
96
PAL 15
Mpps
50.00
15.625000
15.00
30.00
4.43361875
00
00
00
00
4B
AA
C6
A1
PAL-M sq.
pixel
60
15.750
12.50
25.01
3.57561149
00
00
00
00
49
45
00
51
PAL-M
CCIR-601
60
15,750
13.50
27.00
3.57561149
00
00
00
00
43
DF
3F
D7
PAL-M 4x
fSC
60
15,750
14.30
28.60
3.57561149
00
00
00
00
40
10
66
F5
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TMC22091 | Digital Video Encoders(數(shù)字視頻編碼器) |
| TMC22191 | Digital Video Encoders(數(shù)字視頻編碼器) |
| TMC2242A | Digital Half-Band Interpolating/Decimating Filter 12-bit In/16-bit Out, 60 MHz |
| TMC2242BKTC | Digital Half-Band Interpolating/Decimating Filter 12-bit In/16-bit Out, 60 MHz |
| TMC2242BKTC1 | Digital Half-Band Interpolating/Decimating Filter 12-bit In/16-bit Out, 60 MHz |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMC22191R0CT | 功能描述:視頻 IC D/V Encoder Layering Engine 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 |
| TMC222 | 制造商:Trinamic 功能描述:IC SM WITH I2C INTERFACE |
| TMC2220G8A | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| TMC2220G8C | 制造商:Fairchild Semiconductor Corporation 功能描述:CONTROLLER: OTHER |
| TMC2220G8C1 | 制造商:QP Semiconductor 功能描述:FSC DIE D2220 |
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