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C8051F339 参数 Datasheet PDF下载

C8051F339图片预览
型号: C8051F339
PDF下载: 下载PDF文件 查看货源
内容描述: 混合信号ISP功能的Flash MCU系列 [Mixed Signal ISP Flash MCU Family]
分类和应用:
文件页数/大小: 234 页 / 3348 K
品牌: SILICON [ SILICON ]
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C8051F336/7/8/9  
7.3. Programmable Window Detector  
The ADC Programmable Window Detector continuously compares the ADC0 output registers to user-pro-  
grammed limits, and notifies the system when a desired condition is detected. This is especially effective in  
an interrupt-driven system, saving code space and CPU bandwidth while delivering faster system  
response times. The window detector interrupt flag (AD0WINT in register ADC0CN) can also be used in  
polled mode. The ADC0 Greater-Than (ADC0GTH, ADC0GTL) and Less-Than (ADC0LTH, ADC0LTL) reg-  
isters hold the comparison values. The window detector flag can be programmed to indicate when mea-  
sured data is inside or outside of the user-programmed limits, depending on the contents of the ADC0  
Less-Than and ADC0 Greater-Than registers.  
SFR Definition 7.5. ADC0GTH: ADC0 Greater-Than Data High Byte  
Bit  
7
6
5
4
3
2
1
0
Name  
Type  
Reset  
ADC0GTH[7:0]  
R/W  
1
1
1
1
1
1
1
1
SFR Address = 0xC4  
Bit Name  
Function  
7:0 ADC0GTH[7:0] ADC0 Greater-Than Data Word High-Order Bits.  
SFR Definition 7.6. ADC0GTL: ADC0 Greater-Than Data Low Byte  
Bit  
7
6
5
4
3
2
1
0
Name  
Type  
Reset  
ADC0GTL[7:0]  
R/W  
1
1
1
1
1
1
1
1
SFR Address = 0xC3  
Bit Name  
Function  
7:0 ADC0GTL[7:0] ADC0 Greater-Than Data Word Low-Order Bits.  
Rev. 0.2  
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