ADV7178 AD [Analog Devices], ADV7178 Datasheet - Page 29

• Manufacturer Part Number: ADV7178
• Description: Integrated Digital CCIR-601 to PAL/NTSC Video Encoder
• Manufacturer: AD [Analog Devices]

REV. 0
RESET
33pF
+5V (V
4k
AA
100nF
)
27MHz
XTAL
33pF
“UNUSED
INPUTS
SHOULD BE
GROUNDED”
INPUTS
OSD
27MHz OR 13.5MHz
CLOCK OUTPUT
3–10, 12–14
PIXEL
DATA
Figure 43. Recommended Analog Circuit Layout
37–41,
+5V (V
0.1 F
15
16
11
34
35
36
17
22
44
43 CLOCK
2 CLOCK/2
+5V (V
10k
AA
P15–P0
OSD_EN
OSD_0
OSD_1
OSD_2
BLANK
FIELD/VSYNC
RESET
CLOCK
HSYNC
V
32
)
REF
AA
ALSB
18
)
0.1 F
ADV7177/
ADV7178
+5V (V
COMP
31
GND
AA
CHROMA
)
19, 21
29, 42
–29–
SCLOCK
SDATA
V
LUMA
CVBS
POWER SUPPLY DECOUPLING
FOR EACH POWER SUPPLY GROUP
AA
R
SET
1, 20, 28, 30
25
27
26
23
24
33
0.1 F
150
75
75
75
100
100
0.01 F
+5V (V
+5V (V
AA
10 F
5k
CC
)
)
ADV7177/ADV7178
(FERRITE BEAD)
+5V (V
5k
L1
CC
)
MPU BUS
33 F
+5V
(V
GND
CC
)