- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄374047 > ADV7324 (Analog Devices, Inc.) Multiformat 216 MHz Video Encoder with Six NSV 14-Bit DACs PDF資料下載
參數(shù)資料
| 型號： | ADV7324 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Multiformat 216 MHz Video Encoder with Six NSV 14-Bit DACs |
| 中文描述： | 多格式視頻編碼器216兆赫六噪聲整形的14位DAC |
| 文件頁數(shù)： | 51/92頁 |
| 文件大小： | 992K |
| 代理商： | ADV7324 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁當前第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁
ADV7324
Address 0x5C, SD LSB Register = 0x15
Address 0x5D, SD Y Scale Register = 0xA6
Address 0x5E, SD Cb Scale Register = 0xA6
Address 0x5F, SD Cr Scale Register = 0xA6
Rev. 0 | Page 51 of 92
Note that this feature affects all interlaced output signals, i.e.,
CVBS, Y-C, YPrPb, and RGB.
SD Hue Adjust Value
[Subaddress 0x60]
The hue adjust value is used to adjust the hue on the composite
and chroma outputs.
These eight bits represent the value required to vary the hue of
the video data, i.e., the variance in phase of the subcarrier
during active video with respect to the phase of the subcarrier
during the color burst. The ADV7324 provides a range of
±22.5° increments of 0.17578125°. For normal operation (zero
adjustment), this register is set to 0x80. Values 0xFF and 0x00
represent the upper and lower limits, respectively, of attainable
adjustment.
Hue Adjust (°) = 0.17578125° (
HCR
d
128) for positive hue
adjust value.
For example, to adjust the hue by +4°, write 0x97 to the hue
adjust value register:
97
x
0
105
128
17578125
.
4
=
=
+
d
where the sum is rounded to the nearest integer.
To adjust the hue by 4°, write 0x69 to the hue adjust value
register:
69
x
0
105
128
17578125
.
4
=
=
+
d
where the sum is rounded to the nearest integer.
SD Brightness Control
[Subaddress 0x61]
The brightness is controlled by adding a programmable setup
level onto the scaled Y data. This brightness level may be added
onto the scaled Y data. For NTSC with pedestal, the setup can
vary from 0 IRE to 22.5 IRE. For NTSC without pedestal and
for PAL, the setup can vary from 7.5 IRE to +15 IRE.
The brightness control register is an 8-bit register. Seven bits of
this 8-bit register are used to control the brightness level, which
can be a positive or negative value.
For example,
1. To add +20 IRE brightness level to an NTSC signal with
pedestal, write 0x28 to Address 0x61, SD brightness.
0x[
SD Brightness Value
] =
0x[
IRE Value
× 2.015631] =
0x[20 × 2.015631] = 0x[40.31262] = 0x28
2. To add –7 IRE brightness level to a PAL signal, write 0x72 to
Address 0x61, SD brightness.
[
IRE Value| ×
2.075631
[7 × 2.015631] = [14.109417] = 0001110b
[0001110]
into twos complement
= [1110010]b = 0x72
Table 32. Brightness Control Values
1
Setup Level in
NTSC with
Pedestal
Pedestal
22.5 IRE
15 IRE
15 IRE
7.5 IRE
7.5 IRE
0 IRE
0 IRE
–7.5 IRE
Setup Level in
NTSC without
Setup
Level in
PAL
15 IRE
7.5 IRE
0 IRE
–7.5 IRE
SD
Brightness
0x1E
0x0F
0x00
0x71
1
Values in the range of 0x3F to 0x44 might result in an invalid output
signal.
相關PDF資料 |
PDF描述 |
|---|---|
| ADV7324KSTZ | Multiformat 216 MHz Video Encoder with Six NSV 14-Bit DACs |
| ADV7340 | Multiformat Video Encoder, Six 12-Bit Noise Shaped Video㈢ DACS |
| ADV7340BSTZ | Multiformat Video Encoder, Six 12-Bit Noise Shaped Video㈢ DACS |
| ADV7340EBZ | Multiformat Video Encoder, Six 12-Bit Noise Shaped Video㈢ DACS |
| ADV7341 | Multiformat Video Encoder, Six 12-Bit Noise Shaped Video㈢ DACS |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7324KSTZ | 制造商:Analog Devices 功能描述:Video Encoder 64-Pin LQFP |
| ADV7330 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat 11-Bit Triple DAC Video Encoder |
| ADV73305502 | 制造商:LG Corporation 功能描述:FRAME ASSEMBLY |
| ADV73306701 | 制造商:LG Corporation 功能描述:Frame Assembly |
| ADV73306702 | 制造商:LG Corporation 功能描述:Frame Assembly |
發(fā)布緊急采購，3分鐘左右您將得到回復。