BA7658 查看數據表（PDF） - ROHM Semiconductor

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BA7658

Input selector switch for high definition displays

ROHM Semiconductor 

Multimedia ICs

•Pin descriptions

Pin No. Pin name

Function

1 Blue 1 input B1 color signal input

2 Ground GND

3 Green 1 input G1 color signal input

4 Ground GND

5 Red 1 input R1 color signal input

6 Ground GND

7 Blue 2 input B2 color signal input

8 Ground GND

9 Green 2 input G2 color signal input

10 Ground GND

11 Red 2 input R2 color signal input

12

N.C. N.C.

13 Ground GND

14 VD 1 input Vertical synchronization signal VD1 input

15 VD 2 input Vertical synchronization signal VD2 input

16 VD output Vertical synchronization signal VD output

17 Red output R color signal output

18 Control CTL (H = IN1, L = IN2)

19

Composite sync

output

Synchronization signal output

BA7658AFS

Pin No. Pin name

Function

20

HD Sync signal

detector

Synchronization signal detector

21

N.C.

N.C.

22

Blanking pulse

input

Blanking pulse input

23

Signal detector

output

Signal detector output

24

Setting of time

constant

Setting of time constant

25

Composite video

input

Composite video input

26 Green output G signal output

27

VCC

VCC

28

Signal detector

input

Signal detector input

29 Blue output B signal output

30 HD output Horizontal synchronization signal HD output

31 HD 2 input Horizontal synchronization signal HD2 input

32 HD 1 input Horizontal synchronization signal HD1 input

•Output selection setting table

CTL

B

G

R HD VD

H

IN1 IN1 IN1 IN1 IN1

L

IN2 IN2 IN2 IN2 IN2

3

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