EVAL-ADV7179EBZ Analog Devices Inc, EVAL-ADV7179EBZ Datasheet - Page 23

• Manufacturer Part Number: EVAL-ADV7179EBZ
• Description: EVALUATION BOARD
• Manufacturer: Analog Devices Inc

Specifications of EVAL-ADV7179EBZ

• Main Purpose: Video, Video Processing
• Embedded: No
• Utilized Ic / Part: ADV7179
• Primary Attributes: NTSC/PAL Digital Video Encoder
• Secondary Attributes: I²C Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Mode 2: Master Option HSYNC , VSYNC , BLANK
(Timing Register 0 TR0 = X X X X X 1 0 1)
In this mode, the ADV7174/ADV7179 can generate horizontal
and vertical SYNC signals. A coincident low transition of both
HSYNC and VSYNC inputs indicates the start of an odd field. A
VSYNC low transition when HSYNC is high indicates the start
of an even field. The BLANK signal is optional. When the
HSYNC
VSYNC
BLANK
HSYNC
VSYNC
BLANK
PIXEL
DATA
PIXEL
DATA
NTSC = 16 × CLOCK/2
PAL = 12 × CLOCK/2
NTSC = 16 × CLOCK/2
PAL = 12 × CLOCK/2
Figure 29. Timing Mode 2 Even-to-Odd Field Transition Master/Slave
Figure 30. Timing Mode 2 Odd-to-Even Field Transition Master/Slave
PAL = 132 × CLOCK/2
NTSC = 122 × CLOCK/2
Rev. B | Page 23 of 52
PAL = 132 × CLOCK/2
NTSC = 122 × CLOCK/2
PAL = 864 × CLOCK/2
NTSC = 858 × CLOCK/2
BLANK input is disabled, the ADV7174/ADV7179 automatically
blanks all normally blank lines as per CCIR-624. Mode 2 is
illustrated in
illustrates the
odd field transition relative to the pixel data.
illustrates the
even field transition relative to the pixel data.
Cb
Y
Figure 27
Cr
HSYNC , BLANK , and VSYNC for an even-to-
HSYNC , BLANK , and VSYNC for an odd-to-
Y
(NTSC) and
Cb
Cb
Y
Cr
ADV7174/ADV7179
Figure 28
Y
Figure 30
(PAL).
Figure 29