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ATMEGA8A-AUR 参数 Datasheet PDF下载

ATMEGA8A-AUR图片预览
型号: ATMEGA8A-AUR
PDF下载: 下载PDF文件 查看货源
内容描述: [RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP32, 7 X 7 MM, 1 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, MS-026ABA, TQFP-32]
分类和应用: 闪存
文件页数/大小: 308 页 / 4674 K
品牌: ATMEL [ ATMEL ]
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ATmega8(L)  
Figure 96. ADC Power Connections  
PC1 (ADC1)  
PC0 (ADC0)  
ADC7  
GND  
AREF  
ADC6  
AVCC  
PB5  
ADC Accuracy  
Definitions  
An n-bit single-ended ADC converts a voltage linearly between GND and VREF in 2n steps  
(LSBs). The lowest code is read as 0, and the highest code is read as 2n-1.  
Several parameters describe the deviation from the ideal behavior:  
Offset: The deviation of the first transition (0x000 to 0x001) compared to the ideal transition  
(at 0.5 LSB). Ideal value: 0 LSB.  
Figure 97. Offset Error  
Output Code  
Ideal ADC  
Actual ADC  
Offset  
Error  
V
Input Voltage  
REF  
203  
2486T–AVR–05/08  
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