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Z8F2401VN020SC 参数 Datasheet PDF下载

Z8F2401VN020SC图片预览
型号: Z8F2401VN020SC
PDF下载: 下载PDF文件 查看货源
内容描述: Z8喝采微控制器与闪存和10位A / D转换器 [Z8 Encore Microcontrollers with Flash Memory and 10-Bit A/D Converter]
分类和应用: 转换器闪存微控制器
文件页数/大小: 246 页 / 1767 K
品牌: ZILOG [ ZILOG, INC. ]
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Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x  
Z8 Encore!®  
132  
Analog-to-Digital Converter  
Overview  
The Analog-to-Digital Converter (ADC) converts an analog input signal to a 10-bit binary  
number. The features of the sigma-delta ADC include:  
12 analog input sources are multiplexed with general-purpose I/O ports  
Interrupt upon conversion complete  
Internal voltage reference generator  
Direct Memory Access (DMA) controller can automatically initiate data conversion  
and transfer of the data from 1 to 12 of the analog inputs.  
Architecture  
Figure 83 illustrates the three major functional blocks (converter, analog multiplexer, and  
voltage reference generator) of the ADC. The ADC converts an analog input signal to its  
digital representation. The 12-input analog multiplexer selects one of the 12 analog input  
sources. The ADC requires an input reference voltage for the conversion. The voltage ref-  
erence for the conversion may be input through the external VREF pin or generated inter-  
nally by the voltage reference generator.  
PS017610-0404  
Analog-to-Digital Converter