ASAHI KASEI
AKM CONFIDENTIAL
[AK4704]
PIN/FUNCTION
No.
1
2
3
4
Pin Name
VCRC
VVSS
TVVOUT
VVD2
I/O
O
-
O
-
Function
Chrominance Output Pin for VCR
Video Ground Pin. 0V.
Composite/Luminance Output Pin for TV
Video Power Supply Pin #2. 5V.
Normally connected to VVSS with a 0.1µF ceramic capacitor in parallel with
a 10µF electrolytic cap.
Red/Chrominance Output Pin for TV
Green Output Pin for TV
Blue Output Pin for TV
Video Power Supply Pin #1. 5V.
Normally connected to VVSS with a 0.1µF ceramic capacitor in parallel with
a 10µF electrolytic cap.
Blue Input Pin for Encoder
Green Input Pin for Encoder
Red/Chrominance Input Pin1 for Encoder
Chrominance Input Pin2 for Encoder
Composite/Luminance Input Pin1 for Encoder
Composite/Luminance Input Pin2 for Encoder
Composite/Luminance Input Pin for TV
Composite/Luminance Input Pin for VCR
Fast Blanking Input Pin for VCR
Red/Chrominance Input Pin for VCR
Green Input Pin for VCR
Blue Input Pin for VCR
Interrupt Pin for Video Blanking
Slow Blanking Input/Output Pin for VCR
Slow Blanking Output Pin for TV
Rch VCR Audio Input Pin
Lch VCR Audio Input Pin
Rch TV Audio Input Pin
Lch TV Audio Input Pin
Filter Pin
Normally connected to VVSS with a 0.1µF ceramic capacitor.
Rch Analog Output Pin1
Lch Analog Output Pin1
Rch Analog Output Pin2
Lch Analog Output Pin2
MONO Analog Output Pin
Power Supply Pin. 12V.
Normally connected to VSS with a 0.1µF ceramic capacitor in parallel with a
10µF electrolytic cap.
DAC Common Voltage Pin
Normally connected to VSS with a 0.1µF ceramic capacitor in parallel with a
10µF electrolytic cap.
Audio Common Voltage Pin
Normally connected to VSS with a 0.1µF ceramic capacitor in parallel with a
10µF electrolytic cap. The caps affect the settling time of audio bias level.
5
6
7
8
TVRC
TVG
TVB
VVD1
O
O
O
-
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
ENCB
ENCG
ENCRC
ENCC
ENCV
ENCY
TVVIN
VCRVIN
VCRFB
VCRRC
VCRG
VCRB
INT
VCRSB
TVSB
VCRINR
VCRINL
TVINR
TVINL
FILT
VCROUTR
VCROUTL
TVOUTR
TVOUTL
MONOOUT
VP
I
I
I
I
I
I
I
I
I
I
I
I
O
I/O
O
I
I
I
I
O
O
O
O
O
O
-
35
DVCOM
O
36
PVCOM
O
Rev. 0.5
-5-
2004/1
AKM [ ASAHI KASEI MICROSYSTEMS ]
