MC44BC374T1 Ver la hoja de datos (PDF) - Motorola => Freescale

Número de pieza

componentes Descripción

Fabricante

MC44BC374T1

PLL Tuned UHF and VHF Audio/Video High Integration Modulator

Motorola => Freescale 

I2C Programming

WRITE MODE: Test Mode 2

X5 X4 X3 State

Description

000

2.a Normal operation

001

2.b Test pattern generator DC verification (Test pattern DC test mode available)

010

2.c

Programmable divider test

(UHF prog. div. on PLLFILT and sound prog. div. on SPLLFIL pin)

011

2.d Reference divider test (UHF reference divider on PLLFILT pin)

100

UHF phase comparator, upper source on PLLFILT pin

2.e Sound phase comparator 10µA upper source on SPLLFIL

(Only valid during transient output inhibit)

101

UHF phase comparator, lower source on PLLFILT pin

2.f Sound phase comparator 10µA lower source on SPLLFIL

(Only valid during transient output inhibit)

110

2.g

Sound phase comparator 1µA upper source on SPLLFIL

(Not valid during transient output inhibit)

111

2.h

Sound phase comparator 1µA lower source on SPLLFIL

(Not valid during transient output inhibit)

NOTE:

Test modes 1 and 2 are intended for manufacturing test purpose only and

cannot be used for normal application, except for VHF range (states 1.b to

1.e)

MOTOROLA

MC44BC374T1 Technical Data

7

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