- 您現在的位置：買賣IC網 > PDF目錄374047 > ADV7321 (Analog Devices, Inc.) Multiformat 216 MHz Video Encoder with Six NSV 12-Bit DACs PDF資料下載
參數資料
| 型號： | ADV7321 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Multiformat 216 MHz Video Encoder with Six NSV 12-Bit DACs |
| 中文描述： | 多格式視頻編碼器216兆赫六噪聲整形的12位DAC |
| 文件頁數： | 46/88頁 |
| 文件大小： | 1002K |
| 代理商： | ADV7321 |
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頁當前第46頁第47頁第48頁第49頁第50頁第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
ADV7320/ADV7321
VERTICAL BLANKING INTERVAL
The ADV7320/ADV7321 accepts input data that contains VBI
data (such as CGMS, WSS, VITS) in SD and HD modes.
Rev. 0 | Page 46 of 88
For the SMPTE 293M (525p) standard, VBI data can be
inserted on Lines 13 to 42 of each frame, or on Lines 6 to 43 for
the ITU-R BT.1358 (625p) standard.
This data can be present on Lines 10 to 20 for SD NTSC and on
Lines 7 to 22 for PAL.
If VBI is disabled [Address 0x11, Bit 4 for HD; Address 0x43,
Bit 4 for SD], VBI data is not present at the output and the
entire VBI is blanked. These control bits are valid in all master
and slave modes.
In Slave Mode 0, if VBI is enabled, the blanking bit in the
EAV/SAV code is overwritten. It is possible to use VBI in this
timing mode as well.
In Slave Mode 1 or 2, the BLANK control bit must be enabled
[Address 0x4A, Bit 3] to allow VBI data to pass through the
ADV7320/ADV7321. Otherwise, the ADV7320/ADV7321
automatically blanks the VBI to standard.
If CGMS is enabled and VBI is disabled, the CGMS data will
nevertheless be available at the output.
See Appendix 1—Copy Generation Management System.
SUBCARRIER FREQUENCY REGISTERS
[Subaddresses 0x4C to 0x4F]
Four 8-bit registers are used to set up the subcarrier frequency.
The value of these registers is calculated using the equation
32
2
27
×
=
in
line
video
one
in
cycles
clk
MHz
of
Number
line
video
one
periods
subcarrier
of
Number
Register
Frequency
Subcarrier
where the sum is rounded to the nearest integer.
For example, in NTSC mode
569408543
1716
5
227
2
32
=
×
=
Value
Register
Subcarrier
where:
Subcarrier Register Value
= 0x21F07C1F
SD F
SC
Register 0: 0x1F
SD F
SC
Register 1: 0x7C
SD F
SC
Register 2: 0xF0
SD F
SC
Register 3: 0x21
See the MPU Port Description section for more details on
accessing the subcarrier frequency registers.
Programming the F
SC
The subcarrier register value is divided into 4 F
SC
registers as
shown above. To load the value into the encoder, users must
write to the F
SC
registers in sequence, starting with F
SC
0. The
value is not loaded until the F
SC
4 write is complete.
Note that the ADV7320/ADV7321 power-up value for F
SC
0 is
0x1E. For precise NTSC F
SC
, write 0x1F to this register.
相關PDF資料 |
PDF描述 |
|---|---|
| ADV7321KSTZ | Multiformat 216 MHz Video Encoder with Six NSV 12-Bit DACs |
| ADV7324 | Multiformat 216 MHz Video Encoder with Six NSV 14-Bit DACs |
| 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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADV7321KST | 制造商:Analog Devices 功能描述:VID ENCODER 6DAC 12-BIT 64LQFP - Bulk |
| ADV7321KSTZ | 功能描述:IC VID ENC 6-12BIT DAC'S 64LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用:DVB-S.2 系統 電壓 - 電源，模擬:- 電壓 - 電源，數字:- 安裝類型:- 封裝/外殼:模塊 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| ADV7322 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat 11-Bit HDTV Video Encoder |
| ADV73225709 | 制造商:LG Corporation 功能描述:Frame Assembly |
| ADV73225710 | 制造商:LG Corporation 功能描述:Frame Assembly |
發布緊急采購，3分鐘左右您將得到回復。