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TMS320F28335ZJZS 参数 Datasheet PDF下载

TMS320F28335ZJZS图片预览
型号: TMS320F28335ZJZS
PDF下载: 下载PDF文件 查看货源
内容描述: 数字信号控制器(DSC ) [Digital Signal Controllers (DSCs)]
分类和应用: 微控制器和处理器外围集成电路数字信号处理器装置PC时钟
文件页数/大小: 195 页 / 2496 K
品牌: TI [ TEXAS INSTRUMENTS ]
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TMS320F28335, TMS320F28334, TMS320F28332  
TMS320F28235, TMS320F28234, TMS320F28232  
SPRS439IJUNE 2007REVISED MARCH 2011  
www.ti.com  
4.7.1 ADC Connections if the ADC Is Not Used  
It is recommended to keep the connections for the analog power pins, even if the ADC is not used.  
Following is a summary of how the ADC pins should be connected, if the ADC is not used in an  
application:  
VDD1A18/VDD2A18 – Connect to VDD  
VDDA2, VDDAIO – Connect to VDDIO  
VSS1AGND/VSS2AGND, VSSA2, VSSAIO – Connect to VSS  
ADCLO – Connect to VSS  
ADCREFIN – Connect to VSS  
ADCREFP/ADCREFM – Connect a 100-nF cap to VSS  
ADCRESEXT – Connect a 20-kresistor (very loose tolerance) to VSS  
ADCINAn, ADCINBn – Connect to VSS  
.
When the ADC is not used, be sure that the clock to the ADC module is not turned on to realize power  
savings.  
When the ADC module is used in an application, unused ADC input pins should be connected to analog  
ground (VSS1AGND/VSS2AGND  
)
NOTE  
ADC parameters for gain error and offset error are specified only if the ADC calibration  
routine is executed from the Boot ROM. See Section 4.7.3 for more information.  
82  
Peripherals  
Copyright © 2007–2011, Texas Instruments Incorporated  
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Product Folder Link(s): TMS320F28335 TMS320F28334 TMS320F28332 TMS320F28235 TMS320F28234  
TMS320F28232