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參數(shù)資料
| 型號： | ADV7195 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs and 10-Bit Data Input |
| 中文描述： | 多格式逐行掃描/高清晰度電視編碼器三種11位DAC和10位數(shù)據(jù)輸入 |
| 文件頁數(shù)： | 14/36頁 |
| 文件大?。?/td> | 499K |
| 代理商： | ADV7195 |
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REV. 0
ADV7195
–14–
PROGRESSIVE SCAN MODE
MODE REGISTER 0
MR0 (MR07–MR00)
(Address (SR4–SR0) = 00H)
Figure 16 shows the various operations under the control of
Mode Register 0.
MR0 BIT DESCRIPTION
Output Standard Selection (MR00–MR01)
These bits are used to select the output levels for the ADV7195.
If EIA-770.2 (MR01–00 = “00”) is selected, the output levels
will be: 0 mV for blanking level, 700 mV for peak white for the Y
channel,
±
350 mV for Pr, Pb outputs and –300 mV for Sync.
Sync insertion on the Pr, Pb channels is optional.
If EIA-770.1 (MR01–00 = “01”) is selected, the output levels
will be: 0 mV for blanking level, 714 mV for peak white for the Y
channel,
±
350 mV for Pr, Pb outputs and –286 mV for Sync.
Optional sync insertion on the Pr, Pb channels is not possible.
If Full I/P Range (MR01–00 = “10”) is selected, the output
levels will be: 0 mV for blanking level, 700 mV for peak white for
the Y channel,
±
350 mV for Pr, Pb outputs and –300 mV for
Sync. Sync insertion on the Pr, Pb channels is optional. This
mode is used for RS-170, RS-343A standard output compatibil-
ity. Refer to Appendix for output level plots.
Input Control Signals (MR02–MR03)
These control bits are used to select whether data is input with
external horizontal, vertical and blanking sync signals or if the
data is input with embedded EAV/SAV codes.
An Asynchronous timing mode is also available using TSYNC,
SYNC
and DV as input control signals. These control signals
have to be programmed by the user.
Figure 17 shows an example of how to program the ADV7195
to accept a different high definition standard but SMPTE293M,
SMPTE274M, SMPTE296M or ITU-R.BT1358 standard.
Input Standard (MR04)
Select between 525p progressive scan input or 625p progressive
scan input.
Reserved (MR05)
A “0” must be written to this bit.
DV Polarity (MR06)
This control bit allows to select the polarity of the DV input
control signal to be either active high or active low. This is in
order to facilitate interfacing from I to P Converters which use
an active low blanking signal output.
Reserved (MR07)
A “0” must be written to this bit.
MR07
MR06
MR05
MR04
MR03
MR02
MR01
MR00
INPUT
STANDARD
MR04
0
1
525P
625P
INPUT CONTROL SIGNALS
0
0
1
1
0
1
0
1
HSYNC
/
VSYNC
/DV
EAV/SAV
TSYNC/
SYNC
/DV
RESERVED
MR03
DV POLARITY
0
1
ACTIVE HIGH
ACTIVE LOW
MR06
MR07
ZERO MUST
BE WRITTEN
TO THIS BIT
MR05
ZERO MUST
BE WRITTEN
TO THIS BIT
MR02
OUTPUT STANDARD SELECTION
0
0
1
1
0
1
0
1
EIA-770.2
EIA-770.1
FULL I/P RANGE
RESERVED
MR01
MR00
Figure 16. Mode Register 0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADV7195KST | Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs and 10-Bit Data Input |
| ADV7196 | Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs, 10-Bit Data Input, and Macrovision |
| ADV7196A | Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs, 10-Bit Data Input, and Macrovision |
| ADV7196AKS | Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs, 10-Bit Data Input, and Macrovision |
| ADV7197 | Multiformat HDTV Encoder with Three 11-Bit DACs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7195KS | 制造商:Analog Devices 功能描述:Video Encoder 3DAC 11-Bit 52-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:MULTI-FORMAT VID+PROGSCAN/HDTV ENCODERIC - Bulk |
| ADV7195KST | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs and 10-Bit Data Input |
| ADV7195KSZ | 制造商:Analog Devices 功能描述:Video Encoder 3DAC 11-Bit 52-Pin MQFP |
| ADV7196 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs, 10-Bit Data Input, and Macrovision |
| ADV7196A | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs, 10-Bit Data Input, and Macrovision |
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