AK8851 Datasheet, PDF (4/80 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

ASAHI KASEI
3. Pin Functional Description
PIN#
Symbol
I/O
1
VRP
O
2
VRN
O
3
VCOM
O
4
AVSS
G
5
AVDD
P
6
AVSS
G
7
AIN4
I
8
CLPCAP2
O
9
AIN5
I
10
AVSS
G
11
AIN6
I
12
AVSS
G
13
AVSS
G
14
DVSS
G
15
DVDD
P
16
NSIG
O
17
DVALID
O
18
FIELD
O
19
CSYNC
O
20
DVSS
G
21
DVDD
P
22
DVDD
P
23
DVSS
G
24
HSYNC
O
25
VSYNC
O
26
DVSS
G
27
D0
O
28
D1
O
29
DVSS
G
30
DVDD
P
31
D2
O
32
D3
O
33
D4
O
34
D5
O
35
DVSS
G
36
DVDD
P
37
D6
O
38
D7
O
39
AVSS
G
40
DVDD
P
41
EXTDAT0
O
42
EXTDAT1
O
43
DVDD
P
44
DVSS
G
45
DVSS
G
46
DVDD
P
47
EXTDAT2
O
48
EXTDAT3
O
49
EXTDAT4
O
50
EXTDAT5
O
51
DVSS
G
52
DVSS
G
53
DVDD
P
54
EXTDAT6
O
55
EXTDAT7
O
Function
Internal reference positive Voltage for AD Converter
Internal reference negative Voltage for AD Converter
Common voltage for AD Converter
Ground pin for Analog
Analog supply voltage (3.3V)
Ground pin for Analog
Analog Video Signal Input pin.
Input –6dB analog video signal via 0.1uF capacitor.
Capacitor for clamp.
Connect 0.1uF ceramic capacitor between AVSS
Analog Video Signal Input pin.
Input –6dB analog video signal via 0.1uF capacitor.
Ground pin for Analog
Analog Video Signal Input pin.
Input –6dB analog video signal via 0.1uF capacitor.
Ground pin for Analog
Ground pin for Analog
Ground pin for Digital
Digital supply voltage (3.3V)
No-signal indicator.
H: No input video Signal
L: Video Signal Input
Active video data (720pixel) indicator
Timing signal for FIELD
Timing signal for CSYNC
Ground pin for Digital
Digital supply voltage (3.3V)
Digital supply voltage (3.3V)
Ground pin for Digital
Timing signal for HSYNC
Timing signal for VSYNC
Ground pin for Digital
Decoded Data output pin (LSB)
Decoded Data output pin
Ground pin for Digital
Digital supply voltage (3.3V)
Decoded Data output pin
Decoded Data output pin
Decoded Data output pin
Decoded Data output pin
Ground pin for Digital
Digital supply voltage (3.3V)
Decoded Data output pin
Decoded Data output pin (MSB)
Ground pin for Analog
Digital supply voltage (3.3V)
Cb/Cr data output pin for 16-bit output mode (LSB)
Open this pin for 8-bit output mode
Cb/Cr data output pin for 16-bit output mode
Open this pin for 8-bit output mode
Digital supply voltage (3.3V)
Ground pin for Digital
Ground pin for Digital
Digital supply voltage (3.3V)
Cb/Cr data output pin for 16-bit output mode
Open this pin for 8-bit output mode
Ground pin for Digital
Ground pin for Digital
Digital supply voltage (3.3V)
Cb/Cr data output pin for 16-bit output mode
Open this pin for 8-bit output mode
Cb/Cr data output pin for 16-bit output mode (MSB)
Open this pin for 8-bit output mode
MS0244-E-03
4
Confidential
[AK8851]
2005 / 07