adv7322 Analog Devices, Inc., adv7322 Datasheet - Page 5

• Manufacturer Part Number: adv7322
• Description: Multiformat 11-bit Hdtv Video Encoder
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
TERMINOLOGY
SD: standard definition video, conforming to
ITU-R BT.601/ITU-R BT.656.
HD: high definition video, i.e., 720p/1080i/1035i.
EDTV: enhanced definition television (525p/625p)
PS: progressive scan video, conforming to SMPTE 293M,
ITU-R BT.1358, BTAT-1004EDTV2, or ITU-R BT.13621362.
P_HSYNC
P_VSYNC
P_BLANK
S_HSYNC
S_VSYNC
S_BLANK
HD PIXEL
SD PIXEL
CLKIN_B
CLKIN_A
INPUT
INPUT
INTER-
LEAVE
INTER-
LEAVE
DE-
DE-
CR
CB
CB
CR
Y
Y
PATTERN
PATTERN
TEST
TEST
GENERATOR
GENERATOR
TIMING
TIMING
SHARPNESS
GAMMA
ADAPTIVE
CONTROL
DNR
FILTER
AND
CONTROL
COLOR
Figure 2. Detailed Functional Block Diagram
CR COLOR
CB COLOR
Y COLOR
CONTROL
AND PLL
CLOCK
INSERTION
Rev. PrA | Page 5 of 88
SYNC
4:2:2
4:4:4
TO
HDTV: high definition television video, conforming to SMPTE
274M, or SMPTE 296M and SMPTE240M.
YCrCb SD, PS, or HD component: digital video.
YPrPb SD, PS, or HD component: analog video.
U
V
CHROMA
FILTERS
UV SSAF
LUMA
AND
SAMPLING
2u OVER-
MATRIX
RGB
LATION
MODU-
F
SC
CGMS
WSS
HDTV 2u
SD 16u
PS 8u
ADV7322
DAC
DAC
DAC
DAC
DAC
DAC