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BA7657F Datasheet(PDF) 3 Page - Rohm

Part # BA7657F
Description  Input selector switch for high definition displays
PDF  13 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA7657F Datasheet(HTML) 3 Page - Rohm

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3
Multimedia ICs
BA7657F / BA7657S
•Pin descriptions
Pin name
1
Red 1 input
Color signal R1 input
2
detector
HD Sync signal Detecting phase of the synchronization
signal detector circuit
3
Green 1 input
Color signal G1 input
4
Ground
Ground
5
Blue 1 input
Color signal B1 input
6
Ground
Ground
7
Red 2 input
Color signal R2 input
8
Ground
Ground
9
Green 2 input
Color signal G2 input
10
Ground
Ground
11
Blue 2 input
Color signal B2 input
VD 1 input
Vertical synchronization signal VD1 input
14
VD output
Vertical synchronization signal VD output
15
Blue output
Color signal B output
16
Control
Control (high = IN1, low = IN2)
17
output
Composite sync
Synchronization signal output
18
input
Composite video Composite signal input
(Sync on Green)
19
Green output
Color signal G output
20
VCC
Power supply
21
Red output
Color signal R output
22
HD output
Horizontal synch. signal HD output
23
HD 2 input
Horizontal synch. signal HD2 input
24
HD 1 input
Horizontal synch. signal HD1 input
Pin name
13
VD 2 input
Vertical synchronization signal VD2 input
Function
Pin No.
Function
Pin No.
12
•Output selection setting table
CTL
R
G
B
HD
VD
H
IN1
IN1
IN1
IN1
IN1
L
IN2
IN2
IN2
IN2
IN2
•Input / output circuits
1, 3, 5
7, 9, 11pin
6.8k
21k
1k
100
VCC
R. G. B input
15, 19, 21pin
400
50
5mA
VCC
R. G. B output
12, 13
23, 24pin
15k
35k
1k
50k
VCC
HD. VD input



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