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参数资料
| 型号： | CS48560-CQZR |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 6/23页 |
| 文件大小： | 0K |
| 描述： | IC DSP HP 32BIT 12CH I/O 48-QFP |
| 标准包装： | 2,000 |
| 系列： | CS485xx |
| 类型： | 定点 |
| 接口： | I²C，SPI |
| 时钟速率： | 150MHz |
| 芯片上RAM： | 96kB |
| 电压 - 输入/输出： | 3.30V |
| 电压 - 核心： | 1.80V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 带卷 (TR) |
| 配用： | 598-1284-ND - KIT USB EVALUATION FOR CDB48500 |
3 Code Overlays
3 Code Overlays
The suite of software available for the CS485xx family consists of an operating system (OS) and a library of overlays. The
overlays have been divided into three main groups called Matrix-processors, Virtualizer-processors, and Post-processors.
All software components are defined below:
1. OS/Kernel —Encompasses all non-audio processing tasks, including loading data from external memory,
processing host messages, calling audio-processing subroutines, error concealment, etc.
2. Matrix-processor —Any Module that performs a matrix decode on PCM data to produce more output channels
than input channels (2 ? n channels). Examples are Dolby ProLogic IIx and DTS Neo:6. Generally speaking, these
modules increase the number of valid channels in the audio I/O buffer.
3. Virtualizer-processor —Any module that encodes PCM data into fewer output channels than input channels (n ? 2
channels) with the effect of providing “phantom” speakers to represent the physical audio channels that were
eliminated. Examples are Dolby Headphone ? and Dolby Virtual Speaker ? . Generally speaking, these modules
reduce the number of valid channels in the audio I/O buffer.
4. Post-processors —Any module that processes audio I/O buffer PCM data in-place after the matrix- or
virtualizer-processors. Examples are bass management, audio manager, tone control, EQ, delay,
customer-specific effects, etc.
The bulk of each overlay is stored in ROM within the CS485xx, but a small image is required to configure the overlays and
boot the DSP. This small image can either be stored in an external serial FLASH/EEPROM, or downloaded via a host
controller through the SPI ? /I 2 C ? serial port.
The overlay structure reduces the time required to reconfigure the DSP when a processing change is requested. Each
overlay can be reloaded independently without disturbing the other overlays. For example , when a new matrix-processor
is selected, the OS, virtualizer-, and post-processors do not need to be reloaded — only the new matrix-processor (the
same is true for the other overlays).
Table 3-1 lists the firmware available based on device selection. Refer AN298, CS485xx Firmware User’s
Manual for the latest listing of application codes and Cirrus Framework ? modules available.
Table 3-1. Device and Firmware Selection Guide
Device Suggested Application
CS48520-CQZ Digital TV, portable audio docking station, portable DVD, DVD mini/
receiver, multimedia PC speakers
CS48540-CQZ CS48520 features plus 8-channel car audio, DVD receiver
CS48540-DQZ
CS48560-CQZ CS48540 features plus 12-channel car audio, high-end digital TV, dual
CS48560-DQZ source/dual zone SACD
6
Channel Count Input/Output
Up to 4-channel in/4-channel out
Up to 8-channel in/8-channel out
Up to 12-channel in/12-channel out
Package
48-pin QFP
48-pin QFP
48-pin QFP
DS734F5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CS48560-DQZ | 功能描述:数字信号处理器和控制器 - DSP, DSC High Perform. 32-Bit Audio Decoder DSP RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT |
| CS48560-DQZR | 功能描述:音频 DSP IC HghPrfrmnc 32-bit Audio Decoder DSP RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| CS485XX | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:32-bit Audio Decoder DSP Family |
| CS4869AF | 制造商:Cypress Semiconductor 功能描述: |
| CS4-88 | 制造商:SUPERWORLD 制造商全称:Superworld Electronics 功能描述:POWER TRANSFORMER |
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