BU1425AK データシートの表示（PDF） - ROHM Semiconductor

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BU1425AK

NTSC / PAL digital RGB encoder

ROHM Semiconductor 

Multimedia ICs

Pin No.

Pin name I / O

39

VOUT

O

Equivalent circuit

BU1425AK / BU1425AKV

Function

Composite output pin

45

YOUT

O

42

IR

I

48

YCOFF

I

51

VCLK

I

52

RSTB

I

49

YFILON1B

YFILON2B

I

Luminance output pin for the S pin

The output amplitude (output current

for 1 LSB) of the DAC is specified

using an external resistor, and this pin

controls the value of the current flow-

ing per bit.

When there is HIGH input at the signal

input pin which switches to and from

the low power consumption mode, this

turns off the output from the YOUT

and COUT pins.

Input pin for the reference clock in the

Video-CD mode

Reset input pin which initializes the

system. The system is reset when

this goes LOW.

Selects the F characteristic of the

Y-FILTER.

9

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