BU1424K Ver la hoja de datos (PDF) - ROHM Semiconductor

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Fabricante

BU1424K

NTSC / PAL digital RGB encoder

ROHM Semiconductor 

Multimedia ICs

Pin No.

Pin name I / O

51

VCLK

I

Equivalent circuit

BU1424K

Function

Input pin for the reference clock in the

Video-CD mode.

52

RSTB

I

49

YFILON1B

YFILON2B

I

50

PAL60B

I

53

CLKSW

I

46

G4FSC

I

25

26

TEST1

TEST2

I

10

Reset input pin which initializes the

system.

Selects the F characteristic of the

Y-FILTER. However, this is only effec-

tive when OSDSW is LOW.

Switches between the PAL and

PAL60 modes. This is effective only

when the NTB pin is HIGH. (PAL

mode only).

This switches between dividing the

VCLK input in half and using it as an

internal clock (when LOW), and using

it as an internal clock without dividing

it in half (when HIGH).

Switching pin for CDG mode input fre-

quency 14.1875 / 4fsc.

Normally, this is connected to the

GND pin. However, when 16-bit YUV

input is used, the TEST2 pin can be

used as the U and V timing control

pins.

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