SAA7707H Просмотр технического описания (PDF) - Philips Electronics

Номер в каталоге

Компоненты Описание

производитель

SAA7707H

Car radio Digital Signal Processor (CDSP)

Philips Electronics 

Philips Semiconductors

Car radio Digital Signal Processor (CDSP)

Preliminary specification

SAA7707H

CONTENTS

1

FEATURES

1.1

Hardware

1.2

Software

2

APPLICATIONS

3

GENERAL DESCRIPTION

4

QUICK REFERENCE DATA

5

ORDERING INFORMATION

6

BLOCK DIAGRAM

7

PINNING

8

FUNCTIONAL DESCRIPTION

8.1

Signal path for level information

8.2

Level ADC switch mode integrator (pin CINT)

8.3

Internal ground reference for the level ADC

(pin VDACNL)

8.4

Common mode reference voltage for RDS

ADC, ADC level and buffers (pin VrefRDS)

8.5

Signal path for audio/MPX and stereo decoder

8.6

Mono/stereo switching

8.7

The automatic lock system

8.8

Input sensitivity for FM

8.9

Common mode reference voltage for MPX

8.10

ADC and buffers (pin VrefMPX)

Supply voltages for the switch capacitor DACs

of the FMMPX ADC and FMRDS ADC

8.11

(pins VDACNM and VDACPM)

Noise level

8.12

TAPE/AUX de-multiplex

8.13

Signal-to-noise considerations

8.14

Channel separation correction

8.15

Input selection switches

8.16

Analog inputs supply

8.17

Digitally controlled sampling clock (DCS)

8.18

Survey of the DCS clock settings in different

modes

8.19

Synchronization with the core

8.20

Interference absorption circuit

8.21

IAC testing

9

ANALOG OUTPUTS

9.1

Digital-to-Analog Converters

9.2

Upsample filter

9.3

Volume control

9.4

Power-on mute

9.5

Power-off plop suppression

9.6

Internal reference buffer amplifier of the DAC

(pin Vref)

9.7

Internal DAC current reference

9.8

Analog outputs supply

9.9

9.10

9.11

10

10.1

10.2

10.3

10.4

10.5

10.6

10.7

10.8

10.9

10.10

10.11

10.12

11

12

13

14

15

15.1

15.2

15.3

15.4

15.5

15.6

16

17

18

19

19.1

19.2

19.3

19.4

20

21

22

Clock circuit and oscillator

Crystal oscillator supply

External control pins

I2S-BUS DESCRIPTION

I2C-bus control (SCL and SDA pins)

I2S-bus description

Communication with external digital audio

sources (DCC + CD-WS/CL/Data pins)

Communication with external processors and

other devices (EXWS/CL/EXDAT1 and

EXDAT2)

Relationship between external input and

external output

RDS decoder (RDSCLK and RDSDAT)

Clock and data recovery

Timing of clock and data signals

Buffering of RDS data

Buffer interface

DSP reset

Power supply connection and EMC

LIMITING VALUES

THERMAL CHARACTERISTICS

DC CHARACTERISTICS

AC CHARACTERISTICS

I2C-BUS CONTROL AND COMMANDS

Characteristics of the I2C-bus

Bit transfer

START and STOP conditions

Data transfer

Acknowledge

I2C-bus format

SOFTWARE DESCRIPTION

APPLICATION INFORMATION

PACKAGE OUTLINE

SOLDERING

Introduction

Reflow soldering

Wave soldering

Repairing soldered joints

DEFINITIONS

LIFE SUPPORT APPLICATIONS

PURCHASE OF PHILIPS I2C COMPONENTS

1997 May 30

2

Share Link: