ADV7170SU AD [Analog Devices], ADV7170SU Datasheet - Page 15
ADV7170SU
Manufacturer Part Number
ADV7170SU
Description
Manufacturer
AD [Analog Devices]
Datasheet
1.ADV7170SU.pdf
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Mode 0 (CCIR-656): Master Option
(Timing Register 0 TR0 = X X X X X 0 0 1)
The ADV7170/ADV7171 generates H, V and F signals required for the SAV (Start Active Video) and EAV (End Active Video) Time
Codes in the CCIR656 standard. The H bit is output on the HSYNC pin, the V bit is output on the BLANK pin and the F bit is
output on the FIELD/VSYNC pin. Mode 0 is illustrated in Figure 21 (NTSC) and Figure 22 (PAL). The H, V and F transitions
relative to the video waveform are illustrated in Figure 23.
REV. 0
H
V
F
H
V
F
522
260
DISPLAY
DISPLAY
NTSC/PAL M SYSTEM
523
261
(525 LlNES/60Hz)
(625 LINES/50Hz)
INPUT PIXELS
PAL SYSTEM
524
262
ANALOG
VIDEO
525
263
264
1
ODD FIELD
Y
END OF ACTIVE
VIDEO LINE
Figure 21. Timing Mode 0 (NTSC Master Mode)
C
r
265
EVEN FIELD
2
Y
Figure 20. Timing Mode 0 (Slave Mode)
F
F
4 CLOCK
4 CLOCK
EAV CODE
0
0
266
EVEN FIELD
3
0
0
X
Y
ODD FIELD
267
8
0
4
1
0
8
0
268
1
0
5
VERTICAL BLANK
–15–
ANCILLARY DATA
269
VERTICAL BLANK
6
0
0
268 CLOCK
280 CLOCK
F
F
(HANC)
F
F
270
A
B
7
A
B
A
B
271
8
8
0
272
1
0
9
8
0
1
0
SAV CODE
273
4 CLOCK
10
F
F
4 CLOCK
START OF ACTIVE
0
0
VIDEO LINE
0
0
X
Y
274
11
C
b
ADV7170/ADV7171
Y C
1440 CLOCK
1440 CLOCK
r
Y
C
b
Y
283
20
C
r
Y
C
b
284
21
DISPLAY
DISPLAY
285
22
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