參數(shù)資料
型號(hào)： SAA7706H
廠商： NXP Semiconductors N.V.
元件分類： 數(shù)字信號(hào)處理
英文描述： Car radio Digital Signal Processor (DSP)
封裝： SAA7706H/N109S<SOT318-2 (QFP80)|<<http://www.nxp.com/packages/SOT318-2.html<1<Always Pb-free,;SAA7706H/N109S<SOT318-2 (QFP80)|<<http://www.nxp.com/packages/SOT318-2.html&
文件頁(yè)數(shù)： 24/52頁(yè)
文件大小： 271K
代理商： SAA7706H
2001 Mar 05
24
Philips Semiconductors
Product specification
Car radio Digital Signal Processor (DSP)
SAA7706H
8.12
External control pins
8.12.1
DSP1
For external control two input pins have been
implemented. The status of these pins can be changed by
applying a logic level. The status is saved in the DSP1
status register. The function of each pin depends on the
DSP1 program.
To control external devices two output pins are
implemented. The status of these pins is controlled by the
DSP program.
Function of these ‘control pins’ can be found in a separate
manual and is rom_code dependent.
8.12.2
DSP2
For external control four configurable I/O pins have been
implemented. Via the I
2
C-bus these four pins can be
independently configured as input or output. The status of
these pins can be changed by applying a logic level (input
mode). The status is saved in the DSP2 status register.
The function of each pin depends on the I
2
C-bus setting
and DSP2 program.
Function of these ‘control pins’ can be found in a separate
manual and is rom_code dependent.
8.13
I
2
C-bus control (pins SCL and SDA)
General information about the I
2
C-bus can be found in
“The I
2
C-bus and how to use it” This document can be
ordered using the code 9398 393 40011. For the external
control of the SAA7706H device a fast I
2
C-bus is
implemented. This is a 400 kHz bus which is
downward-compatible with the standard 100 kHz bus.
There are two different types of control instructions:
Instructions to control the DSP program, programming
the coefficient RAM and reading the values of
parameters (level, multipath etc.)
Instructions controlling the data flow; such as source
selection, IAC control and clock speed.
The detailed description of the I
2
C-bus and the description
of the different bits in the memory map is given in
Chapter 9.
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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
SAA7706H/N107S,557 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC INTEGRATED RDS/TMC RECEIVER 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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