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ADV7321 Datasheet(PDF) 17 Page - Analog Devices

Part # ADV7321
Description  Multiformat 216 MHz Video Encoder with Six NSV 12-Bit DACs
PDF  88 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADV7321 Datasheet(HTML) 17 Page - Analog Devices

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ADV7320/ADV7321
Rev. 0 | Page 17 of 88
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
64 63 62
61
60 59 58
57 56 55 54 53 52 51 50 49
47
RSET1
46
VREF
45
COMP1
42
DAC C
43
DAC B
44
DAC A
48
S_BLANK
41
VAA
40
AGND
39
DAC D
37
DAC F
36
COMP2
35
RSET2
34
EXT_LF
33
RESET
38
DAC E
2
Y0
3
Y1
4
Y2
7
Y5
6
Y4
5
Y3
1
VDD_IO
8
Y6
9
Y7
10
VDD
12
Y8
13
Y9
14
C0
15
C1
16
C2
11
DGND
17 18
19
20 21 22 23 24 25 26
27 28 29 30 31 32
PIN 1
ADV7320/ADV7321
TOP VIEW
(Not to Scale)
Figure 19. Pin Configuration
Table 6. Pin Function Descriptions
Pin No.
Mnemonic
Input/Output
Description
11, 57
DGND
G
Digital Ground.
40
AGND
G
Analog Ground.
32
CLKIN_A
I
Pixel Clock Input for HD (74.25 MHz Only, PS Only (27 MHz), SD Only (27 MHz).
63
CLKIN_B
I
Pixel Clock Input. Requires a 27 MHz reference clock for progressive scan mode or a 74.25 MHz
(74.1758 MHz) reference clock in HDTV mode. This clock is only used in dual modes.
45, 36
COMP1,
COMP2
O
Compensation Pin for DACs. Connect 0.1 µF capacitor from COMP pin to VAA.
44
DAC A
O
CVBS/Green/Y/Y Analog Output.
43
DAC B
O
Chroma/Blue/U/Pb Analog Output.
42
DAC C
O
Luma/Red/V/Pr Analog Output.
39
DAC D
O
In SD Only Mode: CVBS/Green/Y Analog Output; in HD Only Mode and Simultaneous HD/SD
Mode: Y/Green [HD] Analog Output.
38
DAC E
O
In SD Only Mode: Luma/Blue/U Analog Output; in HD Only Mode and Simultaneous HD/SD
Mode: Pr/Red Analog Output.
37
DAC F
O
In SD Only Mode: Chroma/Red/V Analog Output; in HD Only Mode and Simultaneous HD/SD
Mode: Pb/Blue [HD] Analog Output.
23
P_HSYNC
I
Video Horizontal Sync Control Signal for HD in Simultaneous SD/HD Mode and HD Only Mode.
24
P_VSYNC
I
Video Vertical Sync Control Signal for HD in Simultaneous SD/HD Mode and HD Only Mode.
25
P_BLANK
I
Video Blanking Control Signal for HD in Simultaneous SD/HD Mode and HD Only Mode.
48
S_BLANK
I/O
Video Blanking Control Signal for SD Only.
49
S_VSYNC
I/O
Video Vertical Sync Control Signal for SD Only.
50
S_HSYNC
I/O
Video Horizontal Sync Control Signal for SD Only.
13,12,
9–2
Y9 to Y0
I
SD or Progressive Scan/HDTV Input Port for Y Data. Input port for interleaved progressive scan
data. The LSB is set up on Pin Y0. For 8-bit data input, LSB is set up on Y2.
30–26,
18–14
C9 to C0
I
Progressive Scan/HDTV Input Port 4:4:4 Input Mode. This port is used for the Cb[Blue/U] data.
The LSB is set up on Pin C0. For 8-bit data input, LSB is set up on C2.



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