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SAA7706H PDF даташит

Спецификация SAA7706H изготовлена ​​​​«NXP Semiconductors» и имеет функцию, называемую «Car radio Digital Signal Processor (DSP)».

Детали детали

Номер произв SAA7706H
Описание Car radio Digital Signal Processor (DSP)
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 

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SAA7706H Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
DATA SHEET
SAA7706H
Car radio Digital Signal Processor
(DSP)
Product specification
File under Integrated Circuits, IC01
2001 Mar 05









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SAA7706H Даташит, Описание, Даташиты
Philips Semiconductors
Car radio Digital Signal Processor (DSP)
Product specification
SAA7706H
CONTENTS
1
1.1
1.2
2
3
4
5
6
7
8
8.1
8.1.1
8.1.2
8.1.3
8.1.4
8.1.5
8.1.6
8.2
8.3
8.4
8.4.1
8.4.2
8.4.3
8.5
8.6
8.6.1
8.7
8.7.1
8.7.2
8.7.3
8.7.4
8.7.5
8.7.6
8.8
8.8.1
8.9
8.10
8.11
8.12
8.12.1
8.12.2
FEATURES
Hardware
Software
APPLICATIONS
GENERAL DESCRIPTION
QUICK REFERENCE DATA
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING
FUNCTIONAL DESCRIPTION
Analog front-end
The realization of common mode input with AIC
Realization of the auxiliary input with volume
control
Realization of the FM input control
Pins VDACN1, VDACN2 and VDACP
Pin VREFAD
Supply of the analog inputs
The signal audio path for input signals CD,
TAPE, AUX, PHONE, NAV and AM
Signal path for level information
Signal path from FM_MPX input to IAC and
stereo decoder
Noise level
Mono or stereo switching
The automatic lock system
DCS clock
The Interference Absorption Circuit (IAC)
General description
The Filter Stream DAC (FSDAC)
Interpolation filter
Noise shaper
Function of pin POM
Power-off plop suppression
Pin VREFDA for internal reference
Supply of the filter stream DAC
Clock circuit and oscillator
Supply of the crystal oscillator
The phase-locked loop circuit to generate the
DSPs and other clocks
Supply of the digital part (VDDD3V1 to VDDD3V4)
CL_GEN, audio clock recovery block
External control pins
DSP1
DSP2
8.13
8.14
8.14.1
8.14.2
8.14.3
8.15
8.15.1
8.15.2
8.15.3
8.15.4
8.16
8.17
9
9.1
9.2
9.3
9.4
9.5
9.5.1
9.6
10
11
12
13
14
15
16
17
18
18.1
18.2
18.3
18.4
18.5
19
20
21
22
I2C-bus control (pins SCL and SDA)
Digital serial inputs/outputs and SPDIF inputs
General description digital serial audio
inputs/outputs
General description SPDIF inputs (SPDIF1 and
SPDIF2)
Digital data stream formats
RDS demodulator (pins RDS_CLOCK
and RDS_DATA)
Clock and data recovery
Timing of clock and data signals
Buffering of RDS data
Buffer interface
DSP reset
Test mode connections (pins TSCAN, RTCB
and SHTCB)
I2C-BUS FORMAT
Addressing
Slave address (pin A0)
Write cycles
Read cycles
SAA7706H hardware registers
SAA7706H DSPs registers
I2C-bus memory map specification
LIMITING VALUES
THERMAL CHARACTERISTICS
CHARACTERISTICS
RDS AND I2S-BUS TIMING
I2C-BUS TIMING
SOFTWARE DESCRIPTION
APPLICATION DIAGRAM
PACKAGE OUTLINE
SOLDERING
Introduction to soldering surface mount
packages
Reflow soldering
Wave soldering
Manual soldering
Suitability of surface mount IC packages for
wave and reflow soldering methods
DATA SHEET STATUS
DEFINITIONS
DISCLAIMERS
PURCHASE OF PHILIPS I2C COMPONENTS
2001 Mar 05
2









No Preview Available !

SAA7706H Даташит, Описание, Даташиты
Philips Semiconductors
Car radio Digital Signal Processor (DSP)
Product specification
SAA7706H
1 FEATURES
1.1 Hardware
5-bitstream 3rd-order sigma-delta Analog-to-Digital
Converters (ADCs) with anti-aliasing broadband input
filter
1-bitstream 1st-order sigma-delta ADC with anti-aliasing
broadband input filter
4-bitstream Digital-to-Analog Converters (DACs) with
128-fold oversampling and noise shaping
Integrated semi-digital filter; no external post filter
required for DAC
Dual media support: allowing separate front-seat and
rear-seat signal sources and separate control
Simultaneous radio and audio processing
Digital FM stereo decoder
Digital FM interference suppression
RDS demodulation via separate ADC; with buffered
output option
Two mono Common-Mode Rejection Ratio (CMRR)
input stages for voice signals from phone and navigation
inputs
Phone and navigation mixing at DAC front outputs
Two stereo CMRR input stages (CD-walkman and
CD-changer etc.)
Analog single-ended TAPE and AUX input
Separate AM-left and AM-right inputs in the event of use
of external AM stereo decoder
One digital input: I2S-bus or LSB-justified format
Two digital inputs: SPDIF format
Co-DSP support via I2S-bus or LSB-justified format
Audio output short-circuit protected
I2C-bus controlled (including fast mode)
MOST bus interfacing (details in separate manual)
Phase-locked loop derives the internal clocks from one
common fundamental crystal oscillator
Combined AM/FM level input
Pin compatible with SAA7705 and SAA7708
All digital inputs are tolerant of 5 V input levels
All analog inputs have high GSM immunity
Low number of external components required
• −40 to +85 °C operating temperature range
Easy applicable.
1.2 Software
Improved FM weak signal processing
Integrated 19 kHz MPX filter; de-emphasis and stereo
detection
Electronic adjustments: FM or AM level, FM channel
separation, Dolby®(1) level
Baseband audio processing (treble, bass, balance,
fader and volume)
Four channel 5-band parametric equalizer
9-bands mono audio spectrum analyzer
Extended beep functions with tone sequencer for phone
rings
Large volume jumps e-power interpolated to prevent
zipper noise
Dual media support; allowing separate front-seat and
rear-seat signal sources and separate control
Dynamic loudness or bass boost
Audio level monitor
Tape equalization and Music Search System (MSS)
detection for tape
Dolby-B tape noise reduction (at 44.1 kHz only)
Dynamics compression available in all modes
CD de-emphasis processing
Voice-over possibility for phone and navigation signals
Improved AM signal processing
Digital AM CQUAM stereo decoder (not in all
rom_codes available)
Digital AM interference suppression
Soft audio mute
RDS update processing: pause detection, mute and
signal-quality sensor-freeze
General purpose tone generator
(1) Dolby — Available only to licensees of Dolby Laboratories
Licensing Corporation, San Francisco, CA94111, USA, from
whom licensing and application information must be obtained.
Dolby is a registered trade-mark of Dolby Laboratories
Licensing Corporation.
2001 Mar 05
3










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