adv7174 Analog Devices, Inc., adv7174 Datasheet - Page 8

• Manufacturer Part Number: adv7174
• Description: Chip Scale Pal/ntsc Video Encoder With Advanced Power Management
• Manufacturer: Analog Devices, Inc.

ADV7174/ADV7179
TTXREQ
CLOCK
TTX
t
16
CONTROL
CONTROL
t
17
O/PS
I/PS
SCLOCK
S
SDATA
FIELD/VSYNC,
FIELD/VSYNC,
PIXEL INPUT
4 CLOCK
CYCLES
HSYNC,
HSYNC,
CLOCK
BLANK
BLANK
DATA
t
18
t
3
Cb
t
t
2
9
t
Figure 3. Pixel and Control Data Timing Diagram
6
t
10
4 CLOCK
CYCLES
Figure 2. MPU Port Timing Diagram
Figure 4. Teletext Timing Diagram
Y
t
Rev. A | Page 8 of 52
1
t
11
t
7
Cr
t
t
5
12
4 CLOCK
CYCLES
Y
Cb
t
t
14
t
4
13
t
3
3 CLOCK
CYCLES
Y
t
8
4 CLOCK
CYCLES