參數(shù)資料
型號： SAA7705H
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： Car radio Digital Signal Processor（DSP）(車載電臺數(shù)字信號處理器)
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP80
文件頁數(shù)： 51/60頁
文件大小： 1857K
代理商： SAA7705H
1999 Aug 16
51
Philips Semiconductors
Preliminary specification
Car radio Digital Signal Processor (DSP)
SAA7705H
13 APPLICATION INFORMATION
The application diagram shown in Figs 21 and 22 must be
considered as one of the examples of a (limited)
application of the chip e.g. in this case the I
2
S-bus inputs
of the CD1 and CD2 are not used. For the real application
set-up the information of the application report and
application support by Philips is necessary on issues such
as EMC, kappa reduction of the package, DSP program,
etc.
13.1
Software description
The use and description of the software features of the
SAA7705H is described in the separate manual:
“USER MANUAL SAA7705H, report no. NBA/AN9704,
Version 2.1, Author G. Willighagen”
Further information about the programming of the EPICS6
DSP core is available in “EPICS6 Programmer’s Guide,
version 1.3, July 3 1997, Author Ron Schiffelers, CIC
development Nijmegen”
The availability of a programmer’s guide does not mean
that the normal procedure enables the customer to
develop their own DSP software.
13.2
Power supply connection and EMC
The digital part of the chip has in total 7 positive supply line
connections and 7 ground connections. To minimise
radiation the chip should be put on a double layer
Printed-Circuit Board (PCB) with on one side a large
groundplane.The groundsupplylinesshouldhaveashort
connection to this ground plane. A coil and capacitor
network in the positive supply line can be used as high
frequency filter.
Fig.20 Application block diagram.
handbook, full pagewidth
MGM120
SAA7705H
DSP
SAA7740H
(optional)
POWER
AMPLIFIER
DISPLAY
MICROCONTROLLER
TEA6824
AM/FM-IF
AM
AM/FM
FM
RDS
TEA6811
AM/FM-RF
level
RDS
LR
RR
LF
RF
TAPE
CD
(analog)
CD2
(digital)
CD1
(digital)
I
2
C-bus
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相關代理商/技術參數(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 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(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 安裝風格:SMD/SMT
SAA7706H/N107,518 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC DIRAC-1 RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(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 安裝風格:SMD/SMT
SAA7706H/N107,557 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC DIGITAL SIGNAL RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(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 安裝風格:SMD/SMT
SAA7706H/N107S,518 功能描述:數(shù)字信號處理器和控制器 - 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 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(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 安裝風格:SMD/SMT
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