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AK4709 Datasheet, PDF (6/42 Pages) Asahi Kasei Microsystems – Low Power AV SCART Switch
[AK4709]
PIN/FUNCTION
No. Pin Name
1 VCRC
2 VSS3
3 TVVOUT
4 VVD2
5 TVRC
6 TVG
7 TVB
8 VVD1
9 ENCB
10 ENCG
11 ENCRC
12 ENCC
13 ENCV
14 ENCY
15 TVVIN
16 VCRVIN
17 VCRFB
18 VCRRC
19 VCRG
20 VCRB
21 VP
22 VCRSB
23 TVSB
24 VSS1
25 VD1
26 VCRINR
27 VCRINL
28 TVINR
29 TVINL
30 VCROUTR
31 VCROUTL
32 TVOUTR
33 TVOUTL
I/O
Function
O Chrominance Output Pin for VCR
- Video Ground Pin , 0V
O Composite/Luminance Output Pin for TV
Video Power Supply Pin #2: 3.13V ~ 3.47V
-
Normally connected to VSS3 with a 0.1μF ceramic capacitor in parallel with a 4.7μF
electrolytic capacitor.
O Red/Chrominance Output Pin for TV
O Green Output Pin for TV
O Blue Output Pin for TV
Video Power Supply Pin #1: 3.13V ~ 3.47V
-
Normally connected to VSS3 with a 0.1μF ceramic capacitor in parallel with a 4.7μF
electrolytic capacitor.
I Blue Input Pin for Encoder
I Green Input Pin for Encoder
I Red/Chrominance Input Pin #1 for Encoder
I Chrominance Input Pin #2 for Encoder
I Composite/Luminance Input Pin #1 for Encoder
I Composite/Luminance Input Pin #2 for Encoder
I Composite/Luminance Input Pin for TV
I Composite/Luminance Input Pin for VCR
I Fast Blanking Input Pin for VCR
I Red/Chrominance Input Pin for VCR
I Green Input Pin for VCR
I Blue Input Pin for VCR
Blanking Power Supply Pin, 10.8V ~ 13.2V
-
The VP pin must be connected to the Analogue 12V power supply via a 10ohm resistor
and with a 0.1µF ceramic capacitor in parallel with a 1µF electrolytic capacitor to
VSS1, as shown in Figure 20.
Slow Blanking Input/Output Pin for VCR, refer to Table 20.
I/O A 470ohm ±5% resistor must be connected between the VCRSB pin and SCART
connector.
Slow Blanking Output Pin for TV
O A 470ohm ±5% resistor must be connected between the TVSB pin and SCART
connector.
- Audio Ground Pin , 0V
Audio Power Supply Pin: 3.13V ~ 3.47V
-
Normally connected to VSS1 with a 0.1μF ceramic capacitor in parallel with a 4.7μF
electrolytic capacitor.
I Rch VCR Audio Input Pin
I Lch VCR Audio Input Pin
I Rch TV Audio Input Pin
I Lch TV Audio Input Pin
O Rch Analog Output Pin #1
O Lch Analog Output Pin #1
O Rch Analog Output Pin #2
O Lch Analog Output Pin #2
MS1319-E-00
-6-
2011/07