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參數(shù)資料
| 型號： | ADV7194KSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 3/69頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ENCODER VIDEO EXT-10 80-LQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 視頻編碼器 |
| 應(yīng)用： | DVD，視頻，多媒體 |
| 電壓 - 電源，模擬： | 3.3 V ~ 5 V |
| 電壓 - 電源，數(shù)字： | 3.3 V ~ 5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 80-LQFP |
| 供應(yīng)商設(shè)備封裝： | 80-LQFP（14x14） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 788 (CN2011-ZH PDF) |
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ADV7194
–11–
REV. A
DETAILED DESCRIPTION OF FEATURES
Clocking
Single 27 MHz Clock Required to Run the Device
4
Oversampling with Internal 54 MHz PLL
Square Pixel Operation
Advanced Power Management
Programmable Video Control Features
Digital Noise Reduction
Black Burst Signal Generation
Pedestal Level
Hue, Brightness, Contrast and Saturation
Clamping Output signal
VBI (Vertical Blanking Interval)
Subcarrier Frequency and Phase
LUMA Delay
CHROMA Delay
Gamma Correction
Luma and Chroma Filters
Luma SSAF (Super Subalias Filter)
Average Brightness Detection
Field Counter
Interlaced/Noninterlaced Operation
Complete On-Chip Video Timing Generator
Programmable Multimode Master/Slave Operation
CGMS (Copy Generation Management System)
WSS (Wide Screen Signaling)
Closed Captioning Support
Teletext Insertion Port (PAL-WST)
2-Wire Serial MPU Interface
(I2C Compatible and Fast I2C)
I
2C Registers Synchronized to VSYNC
I
N
T
E
R
P
O
L
A
T
O
R
MODULATOR
AND
HUE CONTROL
BRIGHTNESS
CONTROL
AND
ADD SYNC
AND
INTERPOLATOR
SATURATION
CONTROL
AND
ADD BURST
AND
INTERPOLATOR
PROGRAMMABLE
LUMA FILTER
AND
SHARPNESS
FILTER
PROGRAMMABLE
CHROMA
FILTER
SIN/COS
DDS
BLOCK
REAL-TIME
CONTROL
CIRCUIT
SCRESET/RTC/TR
I
N
T
E
R
P
O
L
A
T
O
R
M
U
L
T
I
P
L
E
X
E
R
YUV-TO-RGB
MATRIX
AND
YUV LEVEL
CONTROL
BLOCK
Y0–Y9
Cb0–Cb9
Cr0–Cr9
10-BIT
DAC
10-BIT
DAC
10-BIT
DAC
CONTROL
BLOCK
10-BIT
DAC
10-BIT
DAC
10-BIT
DAC
CONTROL
BLOCK
DAC A
DAC B
DAC C
VREF
RSET2
COMP2
DAC D
DAC F
DAC E
RSET1
COMP1
DNR
AND
GAMMA
CORRECTION
10
V
U
Y
YCrCb-
TO-
YUV
MATRIX
10
V
U
Y
PLL
DEMUX
10 10
10
TELETEXT
INSERTION
BLOCK
VIDEO TIMING
GENERATOR
CGMS/WSS
AND
CLOSED CAPTIONING
CONTROL
I2C MPU PORT
ALSB
SDA
SCL
PAL_NTSC
VSO/CLAMP
CSO_HSO
HSYNC
VSYNC
BLANK
RESET
TTX
TTXREQ
P0
P15
CLKIN
CLKOUT
ADV7194
Figure 5. Detailed Functional Block Diagram
GENERAL DESCRIPTION
The ADV7194 is an integrated Digital Video Encoder that con-
verts digital CCIR-601/656 4:2:2 10-bit (or 20-bit or 8-/16-bit)
component video data into a standard analog baseband television
signal compatible with worldwide standards. Additionally there
is the possibility to input video data in 3
× 10-bit YCrCb progres-
sive scan format to facilitate interfacing devices such as progressive
scan systems.
There are six DACs available on the ADV7194, each of which
is capable of providing 4.33 mA of current. In addition to the
composite output signal there is the facility to output S-Video
(Y/C Video), RGB Video, and YUV Video. All YUV formats
(SMPTE/EBU N10, MII, or Betacam) are supported.
The on-board SSAF (Super Subalias Filter) with extended
luminance frequency response and sharp stopband attenuation
enables studio quality video playback on modern TVs, giving
optimal horizontal line resolution. An additional sharpness
control feature allows high-frequency enhancement on the lumi-
nance signal.
SUBTRACT SIGNAL IN THRESHOLD
RANGE FROM ORIGINAL SIGNAL
FILTER OUTPUT
>THRESHOLD?
FILTER OUTPUT<
THRESHOLD
INPUT FILTER
BLOCK
MAIN SIGNAL PATH
NOISE SIGNAL PATH
Y DATA
INPUT
DNR OUT
ADD SIGNAL ABOVE THRESHOLD
RANGE TO ORIGINAL SIGNAL
DNR CONTROL
BLOCK SIZE CONTROL
BORDER AREA
BLOCK OFFSET
GAIN
CORING GAIN DATA
CORING GAIN BORDER
DNR SHARPNESS MODE
FILTER OUTPUT
<THRESHOLD?
FILTER OUTPUT>
THRESHOLD
INPUT FILTER
BLOCK
MAIN SIGNAL PATH
NOISE SIGNAL PATH
Y DATA
INPUT
DNR OUT
DNR CONTROL
BLOCK SIZE CONTROL
BORDER AREA
BLOCK OFFSET
GAIN
CORING GAIN DATA
CORING GAIN BORDER
DNR MODE
Figure 6. Block Diagram for DNR Mode and DNR Sharp-
ness Mode
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7194KSTZ | 制造商:Analog Devices 功能描述:TV / Video IC |
| ADV7195 | 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 |
| 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 |
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