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PDSP16510AC0AC PDF预览

PDSP16510AC0AC

更新时间: 2024-01-04 09:12:26
品牌 Logo 应用领域
加拿大卓联 - ZARLINK /
页数 文件大小 规格书
23页 181K
描述
Stand Alone FFT Processor

PDSP16510AC0AC 技术参数

是否Rohs认证:不符合生命周期:Obsolete
包装说明:QFF, QFL132,.95SQ,25Reach Compliance Code:compliant
ECCN代码:3A991.A.2HTS代码:8542.39.00.01
风险等级:5.24Is Samacsys:N
边界扫描:NO最大时钟频率:40 MHz
外部数据总线宽度:16JESD-30 代码:S-CQFP-F132
JESD-609代码:e0长度:24.1935 mm
低功率模式:NO端子数量:132
最高工作温度:70 °C最低工作温度:
输出数据总线宽度:16封装主体材料:CERAMIC, METAL-SEALED COFIRED
封装代码:QFF封装等效代码:QFL132,.95SQ,25
封装形状:SQUARE封装形式:FLATPACK
峰值回流温度(摄氏度):225电源:5 V
认证状态:Not Qualified座面最大高度:2.49 mm
子类别:DSP Peripherals最大供电电压:5.25 V
最小供电电压:4.75 V标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:FLAT端子节距:0.635 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:24.1935 mmuPs/uCs/外围集成电路类型:DSP PERIPHERAL, FFT PROCESSOR
Base Number Matches:1

PDSP16510AC0AC 数据手册

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PDSP16510A  
Stand Alone FFT Processor  
DS3475  
ISSUE 4.4  
May 1996  
The PDSP16510 performs Forward or Inverse Fast  
FourierTransformsoncomplexorrealdatasetscontainingup  
to 1024 points. Data and coefficients are each represented by  
16 bits, with block floating point arithmetic for increased  
dynamic range.  
DATA INPUT  
3 TERM  
WINDOW  
OPERATOR  
An internal RAM is provided which can hold up to 1024  
complex data points. This removes the memory transfer  
bottleneck, inherent in building block solutions. Its organisa-  
tion allows the PDSP16510 to simultaneously input new data,  
transform data stored in the RAM, and to output previous  
results. No external buffering is needed for transforms con-  
taining up to 256 points, and the PDSP16510 can be directly  
connected to an A/D converter to perform continuous trans-  
forms. The user can choose to overlap data blocks by either  
0%, 50%, or 75%. Inputs and outputs are synchronous to the  
40MHz system clock used for internal operations.  
COEFFICIENT  
ROM  
WORKSPACE  
RAM  
WORKSPACE  
RAM  
FOUR  
DATA PATHS  
OUTPUT  
BUFFER  
A 1024 point complex transform can be completed in  
some 98µs, which is equivalent to throughput rates of 450  
million operations per second. Multiple devices can be con-  
nected in parallel in order to increase the sampling rate up to  
the 40MHz system clock. Six devices are needed to give the  
maximum performance with 1024 point transforms.  
EitheraHammingoraBlackman-Harriswindowoperator  
can be internally applied to the incoming real or complex data.  
The latter gives 67dB side lobe attenuation. The operator  
values are calculated internally and do not require an external  
ROM nor do they incur any time penalty.  
RESULT OUPUT  
Fig. 1. Block Diagram  
FEATURES  
Completely self contained FFT Processor  
Internal RAM supports up to1024 complex points  
Thedeviceoutputstherealandimaginarycomponentsof  
the frequency bins. These can be directly connected to the  
PDSP16330 in order to produce magnitude and phase values  
from the complex data.  
16 bit data and coefficients plus block floating point for  
increased dynamic range  
450 MIP operation gives 98 microsecond transforma-  
tion times for 1024 points  
ASSOCIATED PRODUCTS  
Up to 40MHz sampling rates with multiple devices.  
PDSP16540 Bucket Buffer  
Internal window operator gives 67dB side lobe  
attenuation and needs no external ROM.  
PDSP16330 Pythagoras Processor.  
PDSP16256 Programmable FIR Filter.  
PDSP16350 I/Q Splitter / NCO  
84 pin PGA or 132 surface mount package  
SAMPLE  
CLOCK  
CONFIGURATION  
WORD  
GND  
INEN  
DIS  
DOS  
CLK  
AUX15:0  
R15:0  
X
Y
PHASE  
PDSP16510  
PDSP16330  
ANALOG  
INPUT  
A/D  
D15:0  
DEF  
I15:0  
MAGNITUDE  
DEN DAV S3:0  
GND  
SCALE VALUE  
AVAILABLE  
RESET  
1
Fig. 2. Typical 256 Point Real Only System Performing Continuous Transforms  

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