Data Sheet
FEATURES
Chip Scale PAL/NTSC Video Encoder with
Advanced Power Management
Programmable subcarrier frequency and phase
Programmable LUMA delay
Individual on/off control of each DAC
CCIR and square pixel operation
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 (I
2
C® compatible and fast I
2
C)
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
ITU-R
1
BT601/BT656 YCrCb to PAL/NTSC video encoder
High quality 10-bit video DACs
SSAF™ (super sub-alias filter)
Advanced power management features
CGMS (copy generation management system)
WSS (wide screen signaling)
NTSC M, PAL N
, PAL B/D/G/H/I, PAL-M
3
, 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
M
U 10
L
T
I 10
P
L
E 10
X
E
R
ADV7174/ADV7179
V
AA
RESET
COLOR
DATA
P7–P0
8
4:2:2 TO
4:4:4
8
INTER-
POLATOR
8
Y 8
YCrCb
TO
U 8
YUV
MATRIX
V 8
ADD
SYNC
9
INTER-
POLATOR
9
PROGRAMMABLE
LUMINANCE
FILTER
10
PROGRAMMABLE
CHROMINANCE 10
FILTER
10
VIDEO TIMING
GENERATOR
I
2
C MPU PORT
REAL-TIME
CONTROL
CIRCUIT
10
POWER
MANAGEMENT
CONTROL
(SLEEP MODE)
CGMS AND WSS
INSERTION
BLOCK
TELETEXT
INSERTION
BLOCK
YUV TO
RBG
MATRIX
10
10
10
10-BIT
DAC
10-BIT
DAC
10-BIT
DAC
DAC A (PIN 29)
DAC B (PIN 28)
DAC C (PIN 24)
8
ADD
BURST 8
8
INTER-
POLATOR 8
U
V
10
VOLTAGE
REFERENCE
CIRCUIT
V
REF
R
SET
COMP
HSYNC
FIELD/VSYNC
BLANK
SIN/COS
DDS BLOCK
CLOCK
SCLOCK
SDATA
ALSB
SCRESET/RTC
GND
Figure 1.
ITU-R and CCIR are used interchangeably in this document (ITU-R has replaced CCIR recommendations).
Throughout the document, N is referenced to PAL – Combination – N.
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.
1
2
Rev. C
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Information furnished by Analog Devices is believed to be accurate and reliable. However, no
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rights of third parties that may result from its use. Specifications subject to change without notice. No
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02980-A-001
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