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AK8975 参数 Datasheet PDF下载

AK8975图片预览
型号: AK8975
PDF下载: 下载PDF文件 查看货源
内容描述: 3轴电子罗盘 [3-axis Electronic Compass]
分类和应用: 电子
文件页数/大小: 34 页 / 634 K
品牌: AKM [ ASAHI KASEI MICROSYSTEMS ]
 浏览型号AK8975的Datasheet PDF文件第10页浏览型号AK8975的Datasheet PDF文件第11页浏览型号AK8975的Datasheet PDF文件第12页浏览型号AK8975的Datasheet PDF文件第13页浏览型号AK8975的Datasheet PDF文件第15页浏览型号AK8975的Datasheet PDF文件第16页浏览型号AK8975的Datasheet PDF文件第17页浏览型号AK8975的Datasheet PDF文件第18页  
[AK8975/C]  
6.4.2.2. Data Error  
When data reading is started out of data readable period, read data is not correct. In this case, DERR bit of ST2  
register turns to “1” so that read data can be checked at the end of data reading. DERR turns to “0” when ST2  
register is read.  
(N-1)th Nth  
(N+1)th  
PD  
Measurement  
PD  
Measurement  
PD  
Data Readable Period  
Data Readable Period  
Measurement Data Register  
(N-1)th Indefinite  
Nth  
Indefinite  
(N+1)th  
Ind  
DRDY  
DERR  
Register Read  
ST1 Data  
ST2  
ST1 Data  
Register  
ST2  
ST1 Data  
Register  
ST2  
Register  
Figure 6.4 Data Error  
6.4.2.3. Magnetic Sensor Overflow  
AK8975/C has the limitation for measurement range that the sum of absolute values of each axis should be  
smaller than 2400μT.  
|X|+|Y|+|Z| < 2400μT  
When the magnetic field exceeded this limitation, data stored at measurement data are not correct. This is  
called Magnetic Sensor Overflow.  
When magnetic sensor overlow occurs, HOFL bit turns to “1”. When the next measurement starts, it returns to  
“0”.  
MS1187-E-02  
- 14 -  
2010/05  
 
 
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