Chip Scale PAL/NTSC Video Encoder with
Advanced Power Management
ADV7174/ADV7179
Data Sheet
Programmable subcarrier frequency and phase
FEATURES
Programmable LUMA delay
ITU-R1 BT601/BT656 YCrCb to PAL/NTSC video encoder
Individual on/off control of each DAC
CCIR and square pixel operation
High quality 10-bit video DACs
SSAF™ (super sub-alias filter)
Integrated subcarrier locking to external video source
Color signal control/burst signal control
Interlaced/noninterlaced operation
Complete on-chip video timing generator
Programmable multimode master/slave operation
Closed captioning support
Teletext insertion port (PAL-WST)
On-board color bar generation
On-board voltage reference
2-wire serial MPU interface (I2C® compatible and fast I2C)
Single-supply 2.8 V and 3.3 V operation
Small 40-lead 6 mm × 6 mm LFCSP package
−40°C to +85°C at 3.3 V
−20°C to +85°C at 2.8 V
Qualified for automotive applications
Advanced power management features
CGMS (copy generation management system)
WSS (wide screen signaling)
NTSC M, PAL N2, PAL B/D/G/H/I, PAL-M3 , PAL 60
Single 27 MHz clock required (×2 oversampling)
Macrovision 7.1 (ADV7174 only)
80 dB video SNR
32-bit direct digital synthesizer for color subcarrier
Multistandard video output support:
Composite (CVBS)
Component S-video (Y/C)
Video input data port supports:
CCIR-656 4:2:2 8-bit parallel input format
Programmable simultaneous composite and S-video or RGB
(SCART)/YPbPr video outputs
Programmable luma filters low-pass [PAL/NTSC] notch,
extended SSAF, CIF, and QCIF
Programmable chroma filters (low-pass [0.65 MHz, 1.0 MHz,
1.2 MHz, and 2.0 MHz], CIF, and QCIF)
Programmable VBI (vertical blanking interval)
APPLICATIONS
Portable video applications
Mobile phones
Digital still cameras
FUNCTIONAL BLOCK DIAGRAM
TTXREQ TTX
ADV7174/ADV7179
M
U
L
T
I
P
L
E
X
E
R
10
10
POWER
10
10
10
10-BIT
DAC
MANAGEMENT
CONTROL
CGMS AND WSS
INSERTION
BLOCK
TELETEXT
INSERTION
BLOCK
DACA(PIN29)
DACB(PIN28)
DACC(PIN24)
YUV TO
RBG
V
AA
(SLEEP MODE)
10-BIT
DAC
MATRIX
10
RESET
10-BIT
DAC
10
8
PROGRAMMABLE
9
8
Y
9
COLOR
DATA
ADD
SYNC
INTER-
POLATOR
LUMINANCE
FILTER
4:2:2 TO
YCrCb
4:4:4
INTER-
POLATOR
TO
YUV
MATRIX
P7–P0
8
10
10
U
U
V
8
8
8
8
8
PROGRAMMABLE
CHROMINANCE
FILTER
ADD
BURST
INTER-
POLATOR
8
8
V
10
10
HSYNC
FIELD/VSYNC
BLANK
VIDEO TIMING
GENERATOR
V
REAL-TIME
CONTROL
CIRCUIT
REF
SIN/COS
DDS BLOCK
VOLTAGE
REFERENCE
CIRCUIT
2
I C MPU PORT
R
SET
COMP
CLOCK
SCLOCK SDATA ALSB
SCRESET/RTC
GND
Figure 1.
1 ITU-R and CCIR are used interchangeably in this document (ITU-R has replaced CCIR recommendations).
2 Throughout the document, N is referenced to PAL – Combination – N.
3 ADV7174 only.
The Macrovision anticopy process is licensed for noncommercial home use only, which is its sole intended use in the device. Contact the sales office for the latest
Macrovision version available.
Rev. C
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