ml86v7668 Oki Semiconductor, ml86v7668 Datasheet - Page 22

• Manufacturer Part Number: ml86v7668
• Description: Ntsc/pal/secam Digital Video Decoder
• Manufacturer: Oki Semiconductor

Active Pixel Timing
SECAM
Note: Where the FIFO mode is used in asynchronous sampling operations with fixed clock, the 1-field sampling
OKI Semiconductor
Video
mode
NTSC
PAL/
Composite
Signal
HSYNC_L
HVALID
error accumulated in the line immediately following the fall of VVALID is reset. Therefore, the pixel count
for the line that was reset will change. In addition, where the condition of VTR and other signals is poor in
the FIFO-2 mode, the FIFO reset line might break in before the fall of VVALID.
ITUR.601
Sampling
ITUR.601
Square
mode
pixel
pixel
Front porch
Video Modes and Pixel/Line Counts (at Standard Signal Input)
12.272727
pixel rate
Output
(MHz)
13.5
13.5
Note: Actually, there is an output delay of about 1H after video signal input.
Back porch
H blank
Hsync
porch
Front
22
12
16
Hsync
porch
Back
118
132
122
Total pixels (HSYNC_L)
Active pixels (HVALID)
blank
140
144
138
H
H
Active Field
Total pixels
Active pixels
Active
pixels
640
720
720
pixels
Total
780
864
858
Even/20
Even/25
V blank
Odd/20
Odd/24
Total line
Active line
(VVALID = H)
Even/243
Even/288
Odd/242
Odd/288
Active
line
60 pixels
V
Even/263
Even/313
Total line VSYNC_L
Odd/262
Odd/312
PEDL86V7668-01
ML86V7668
Even/263
Even/313
Odd/262
Odd/312
22/31