參數(shù)資料
型號(hào)： SAA7705H
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： Car radio Digital Signal Processor（DSP）(車載電臺(tái)數(shù)字信號(hào)處理器)
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP80
文件頁(yè)數(shù)： 2/60頁(yè)
文件大?。?/td> 1857K
代理商： SAA7705H
1999 Aug 16
2
Philips Semiconductors
Preliminary specification
Car radio Digital Signal Processor (DSP)
SAA7705H
CONTENTS
1
1.1
1.2
2
3
4
5
6
7
8
8.1
8.1.1
8.1.2
FEATURES
Hardware
Software
APPLICATIONS
GENERAL DESCRIPTION
QUICK REFERENCE DATA
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING
FUNCTIONAL DESCRIPTION
FM and level information processing
Signal path for level information
Signal path from FMMPX input to IAC and
stereo decoder
Input sensitivity for FM and RDS signals
AD input selection switch
Interference absorption circuit
Analog source selection and analog-to-digital
conversion
Input selection switches
Signal flow of the AM, analog CD and TAPE
inputs
The analog CD block
Pin VREFAD
Pins VDACN1, VDACN2 and VDACP
Supply of the analog inputs
Analog outputs
DACs
Upsample filter
Volume control
Function of pin POM
Power-off plop suppression
The internal pin VREFDA
Internal DAC current reference
Supply of the analog outputs
Clock circuit and oscillator
Supply of the crystal oscillator
The phase-locked loop circuit to generate the
DSP clock and other derived clocks
The clock block
Synchronization with the core
Equalizer accelerator circuit
Introduction
EQ circuit overview
Controller and programming circuit
8.1.3
8.1.4
8.1.5
8.2
8.2.1
8.2.2
8.2.3
8.2.4
8.2.5
8.2.6
8.3
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
8.3.6
8.3.7
8.3.8
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.5
8.5.1
8.5.2
8.5.3
8.6
8.7
8.8
8.9
8.10
8.10.1
8.10.2
8.10.3
8.10.4
8.11
9
10
11
12
12.1
12.1.1
12.1.2
12.1.3
12.1.4
12.1.5
12.2
12.2.1
12.2.2
12.2.3
12.2.4
12.3
The DSP core
External control pins and status register
I
2
C-bus interface (pins SCL and SDA)
I
2
S-bus inputs and outputs
RDS decoder (pins RDSCLK and RDSDAT)
Clock and data recovery
Timing of clock and data signals
Buffering of RDS data
Buffer interface
DSP reset
LIMITING VALUES
THERMAL CHARACTERISTICS
CHARACTERISTICS
I
2
C-BUS INTERFACE AND PROGRAMMING
I
2
C-bus interface
Characteristics of the I
2
C-bus
Bit transfer
Start and stop conditions
Data transfer
Acknowledge
I
2
C-bus protocol
Addressing
Slave address
Write cycles
Read cycles
Memory map specification and register
overview
Register description
Detailed register description
APPLICATION INFORMATION
Software description
Power supply connection and EMC
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
DEFINITIONS
LIFE SUPPORT APPLICATIONS
PURCHASE OF PHILIPS I
2
C COMPONENTS
12.4
12.5
13
13.1
13.2
14
15
15.1
15.2
15.3
15.4
15.5
16
17
18
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAA7706H 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Car radio Digital Signal Processor (DSP)
SAA7706H/N107 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC DIGITAL SIGNAL PROCESSOR RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
SAA7706H/N107,518 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC DIRAC-1 RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
SAA7706H/N107,557 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC DIGITAL SIGNAL RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
SAA7706H/N107S,518 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC CAR RADIO DIGITAL SIGNAL PROCESSOR RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
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