SAA7715AH PDF даташит
Спецификация SAA7715AH изготовлена «Philips» и имеет функцию, называемую «Digital Signal Processor». |
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Детали детали
Номер произв | SAA7715AH |
Описание | Digital Signal Processor |
Производители | Philips |
логотип |
30 Pages
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INTEGRATED CIRCUITS
DATA SHEET
SAA7715AH
Digital Signal Processor
Preliminary specification
2003 Mar 13
No Preview Available ! |
Philips Semiconductors
Digital Signal Processor
Preliminary specification
SAA7715AH
CONTENTS
1
1.1
1.2
2
3
4
5
6
7
8
8.1
8.2
8.3
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
8.3.6
8.4
8.5
8.5.1
8.5.2
8.6
8.7
8.8
8.9
8.10
FEATURES
Hardware
Possible firmware
APPLICATIONS
GENERAL DESCRIPTION
QUICK REFERENCE DATA
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING
FUNCTIONAL DESCRIPTION
PLL clock division factors for different clock
inputs
The word select PLL
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 analog outputs
External control pins
Digital serial inputs/outputs and SPDIF inputs
Digital serial inputs/outputs
SPDIF inputs
I2C-bus interface (pins SCL and SDA)
Reset
Power-down mode
Power supply connection and EMC
Test mode connections (pins TSCAN, RTCB
and SHTCB)
9
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
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 PROTOCOL
Addressing
Slave address (pin A0)
Write cycles
Read cycles
Program RAM
Data word alignment
I2C-bus memory map specification
I2C-bus memory map definition
Table definitions
SOFTWARE IN ROM DESCRIPTION
LIMITING VALUES
THERMAL CHARACTERISTICS
CHARACTERISTICS
I2S-BUS TIMING
I2C-BUS TIMING
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
2003 Mar 13
2
No Preview Available ! |
Philips Semiconductors
Digital Signal Processor
Preliminary specification
SAA7715AH
1 FEATURES
1.1 Hardware
• 24-bit Philips 70 MIPS DSP core (24-bit data path and
12/24-bit coefficient path)
• 1.5 kbyte of downloadable DSP program memory
(PRAM)
• 2 kbyte of DSP program memory (PROM)
• 2.875 kbyte of re-programmable DSP data memory
(XRAM)
• 1.5 kbyte of re-programmable DSP coefficient memory
(YRAM)
• Four stereo digital serial inputs (8 channels) with
common BCK and WS. To these inputs the I2S-bus
format or LSB-justified formats can be applied
• One stereo bitstream DAC (2 channels) with 64 fold
oversampling and noise shaping
• Selectable clock output (pin SYSCLK) for external slave
devices (128fs to 512fs)
• Four stereo digital serial outputs (8 channels) with
selectable I2S-bus or LSB-justified format
• Two SPDIF inputs combined with digital serial input
• On-board WS_PLL generates clock for on-board DAC
and output pin SYSCLK
• I2C-bus controlled (including fast mode)
• Programmable Phase-Locked Loop (PLL) derives the
clock for the DSP from the CLK_IN input
• −40 to +85 °C operating temperature range
• Supply voltage only 3.3 V
• All digital inputs are tolerant for 5 V input levels
• Power-down mode for low current consumption in
standby mode
• Optimized pinning for applications with other Philips
DACs (such as UDA1334, UDA1355 and UDA1328).
1.2 Possible firmware
• Dolby®(1) Pro Logic decoding
• Smoothed volume control (without zipper noise)
• Automatic Volume Levelling (AVL)
• Dynamic bass enhancement
• Ultra bass
(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.
• Incredible surround
• Incredible mono (Imono)
• DPL virtualizer
• Dolby digital virtualizer (DVD post-processing)
• Dynamic compressor
• Spectral enhancer
• Equalizer with peaking/shelving filters
• DC filters
• Bass/treble control
• Dynamic loudness
• Tone/noise generator
• Graphical spectrum analyser
• Configurable Delay Unit (DLU)
• Sound steering/elevation for car applications
• Sample Rate Conversion (SRC).
2 APPLICATIONS
• As co-processor for a car radio DSP in a car radio
application for additional acoustic enhancements
(sound steering/sound elevation/signal processing)
• Multichannel audio: in DVD and Home theatre
applications as post-processing device such as signal
virtualization (virtual 3D surround) and acoustic
enhancement, tone control, volume control and
equalizers
• Multichannel decoding: Dolby Pro Logic and virtual
3D surround
• PC/USB audio applications: stereo widening (Incredible
surround), sound steering, sound positioning and
speaker equalization.
2003 Mar 13
3
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