![](http://datasheet.mmic.net.cn/310000/ADV7312_datasheet_16243972/ADV7312_2.png)
REV. 0
–2–
ADV7312
DETAILED FEATURES
High Definition Programmable Features (720p 1080i)
2 Oversampling (148.5 MHz)
Internal Test Pattern Generator
(Color Hatch, Black Bar, Flat Field/Frame)
Fully Programmable YCrCb to RGB Matrix
Gamma Correction
Programmable Adaptive Filter Control
Programmable Sharpness Filter Control
CGMS-A (720p/1080i)
High Definition Programmable Features (525p/625p)
8 Oversampling
Internal Test Pattern Generator
(Color Hatch, Black Bar, Flat Frame)
Individual Y and PrPb Output Delay
Gamma Correction
Programmable Adaptive Filter Control
Fully Programmable YCrCb to RGB Matrix
Undershoot Limiter
Macrovision Rev 1.1 (525p/625p)
CGMS-A (525p)
Standard Definition Programmable Features
16 Oversampling
Internal Test Pattern Generator (Color Bars, Black Bar)
Controlled Edge Rates for Sync, Active Video
Individual Y and PrPb Output Delay
Gamma Correction
Digital Noise Reduction (DNR)
Multiple Chroma and Luma Filters
Luma-SSAF Filter with Programmable
Gain/Attenuation
PrPb SSAF
Separate Pedestal Control on Component and
Composite/S-Video Output
VCR FF/RW Sync Mode
Macrovision Rev 7.1.L1
CGMS/WSS
Closed Captioning
Standards Directly Supported
Frame
Rate (Hz)
Clk
Input (MHz)
Resolution
Standard
720 480
720 576
720 483
720 480
720 576
1280 720
1920 1080
1920 1080
29.97
25
59.94
59.94
50
60
30
25
27
27
27
27
27
74.25
74.25
74.25
ITU-R BT.656
ITU-R BT.656
SMPTE 293M
BTA T-1004
ITU-R BT.1362
SMPTE 296M
SMPTE 274M
SMPTE 274M
*
Other standards are supported in Async Timing Mode.
*
SMPTE 274M-1998: System no. 6
DETAILED FUNCTIONAL BLOCK DIAGRAM
CLKIN_A
P_HSYNC
S_BLANK
S_HSYNC
CLKIN_B
HDINPUT
SDINPUT
LEAVE
Y
CB
CR
PTEST
SHAAND
AFILTER
CONT
LUMA
AND
CHROMA
FILTERS
ROL
Y COLOR
CR COLOR
CB COLOR
TO
4:4:4
GTIMING
GTIMING
LEAVE
Y
CB
CR
TEST
PATTERN
DNR
GAMMA
COLOR
CONTROL
SYNC
INSERTION
AND PLL
UV SSAF
V
U
PS 8
HDTV 2
RGB
SD 16
2
OVER-
SAMPLING
DAC
DAC
DAC
DAC
DAC
DAC
F
MODULATION
CGMS
WSS
TERMINOLOGY
SD
Standard Definition Video, conforming to
ITU-R BT.601/ITU-R BT.656.
High Definition Video, i.e., Progressive Scan or HDTV.
Progressive Scan Video, conforming to SMPTE 293M,
ITU-R BT.1358, BTAT-1004EDTV2, or BTA1362.
HD
PS
HDTV
High Definition Television Video, conforming to
SMPTE 274M or SMPTE 296M.
SD, PS, or HD Component Digital Video.
SD, PS, or HD Component Analog Video.
YCrCb
YPrPb