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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 ]
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[AK8975/C]  
8.3.11.  
ASAX, ASAY, ASAZ: Sensitivity Adjustment values  
Register  
name  
Addr  
D7  
D6  
D5  
D4  
D3  
D2  
D1  
D0  
Read-only register  
10H  
11H  
12H  
ASAX  
ASAY  
ASAZ  
COEFX7 COEFX6 COEFX5 COEFX4 COEFX3 COEFX2 COEFX1 COEFX0  
COEFY7 COEFY6 COEFY5 COEFY4 COEFY3 COEFY2 COEFY1 COEFY0  
COEFZ7 COEFZ6 COEFZ5 COEFZ4 COEFZ3 COEFZ2 COEFZ1 COEFZ0  
Reset  
-
-
-
-
-
-
-
-
Sensitivity adjustment data for each axis is stored to fuse ROM on shipment.  
ASAX[7:0]: Magnetic sensor X-axis sensitivity adjustment value  
ASAY[7:0]: Magnetic sensor Y-axis sensitivity adjustment value  
ASAZ[7:0]: Magnetic sensor Z-axis sensitivity adjustment value  
<How to adjust sensitivity>  
The sensitivity adjustment is done by the equation below;  
(
ASA 128 × 0.5  
)
Hadj = H ×  
+1 ,  
128  
where H is the measurement data read out from the measurement data register, ASA is the sensitivity  
adjustment value, and Hadj is the adjusted measurement data.  
MS1187-E-02  
- 28 -  
2010/05  
 
 
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