BA7657F datasheet(5/17 Pages) ROHM

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●Pin descriptions (1/2)

BA7657S/F

Pin No.

Pin name

Reference

potential

Equivalent circuit

Function

Red1 Input

Green1 Input

Blue1 Input

Red2 Input

Green2 Input

Blue2 Input

3.7V

when selected

when not

selected

2-channel switching of R,

G, and B signals.

Select between:

CTL: H input1

CTL: L

Blue output

Green output

Red output

2.0V

Output pins for RGB signals.

Insert resistance from 100 to

300 Ω near the pins to

suppress f peaks at high

frequencies.

Control

H≧1.8V

L≦1.2V

CTL pins

Select between:

CTL: H input1

CTL: L

VD1 input

VD2 input

HD2 input

HD1 input

H≧1.8V

L≦1.2V

2-channel switching of VD

and HD signals.

Select between:

CTL: H input1

CTL: L

VD output

HD output

VOH≧3.0V

VOL≦10.5V

Output pins for vertical

synchronization signal (VD)

And horizontal

synchronization signal (HD).

Vc c

50k

35k

15k

100

6.8k

21k

Vc c

Vcc

400

5mA

input2

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