Datasheet

ADV7342/ADV7343 Data Sheet
Rev. | Page 6 of 108
FUNCTIONAL BLOCK DIAGRAM
R
GND_IO
V
DD_IO
8-/16-/24-BIT
SD
VIDEO
DATA
VIDEO
DATA
S_HSYNCP_HSYNC P_VSYNC P_BLANK S_VSYNC
11-BIT
DAC 1
DAC 1
11-BIT
DAC 2
DAC 2
11-BIT
DAC 3
DAC 3
11-BIT
DAC 4
DAC 4
11-BIT
DAC 5
DAC 5
11-BIT
DAC 6
DAC 6
MULTIPLEXER
REFERENCE
AND CABLE
DETECT
16x/4x OVERSAMPLING
DAC PLL
VIDEO TIMING GENERATOR
POWER
MANAGEMENT
CONTROL
CLKIN (2) PV
DD
PGND EXT_LF (2) V
REF
COMP (2)
R
SET
(2)
SDR/DDR
ED/HD INPUT
4:2:2 TO 4:4:4
DEINTERLEAVE
PROGRAMMABLE
HDTV FILTERS
SHARPNESS AND
ADAPTIVE FILTER
CONTROL
YCbCr
HDTV
TEST
PATTERN
GENERATOR
G/B
RGB
ASYNC
BYPASS
RGB
DGND (2) V
DD
(2)
SCL SDA ALSB SFL
MPU PORT
SUBCARRIER FREQUENCY
LOCK (SFL)
YCrCb
TO
RGB
PROGRAMMABLE
CHROMINANCE
FILTER
ADD
BURST
RGB
TO
YCrCb
MATRIX
4:2:2 TO 4:4:4
SD
DEINTERLEAVE
SIN/COS DDS
BLOCK
16×
FILTER
16×
FILTER
4×
FILTER
AGND V
AA
ADD
SYNC
VBI DATA SERVICE
INSERTION
PROGRAMMABLE
LUMINANCE
FILTER
06399-001
ADV7342/ADV7343
8-/16-/24-BIT
ED/HD
YCbCr
TO
RGB MATRIX
Figure 1.
D