User Manual

MPU-9250 Register Map and Descriptions
Document Number: RM-MPU-9250A-00
Revision: 1.4
Release Date: 9/9/2013
5.6 HXL to HZH: Measurement Data
Addr
Register name
D7
D6
D5
D4
D3
D2
D1
D0
Read-only register
03H HXL HX7 HX6 HX5 HX4 HX3 HX2 HX1 HX0
04H
HXH
HX15
HX14
HX13
HX12
HX11
HX10
HX9
HX8
05H
HYL
HY7
HY6
HY5
HY4
HY3
HY2
HY1
HY0
06H
HYH
HY15
HY14
HY13
HY12
HY11
HY10
HY9
HY8
07H
HZL
HZ7
HZ6
HZ5
HZ4
HZ3
HZ2
HZ1
HZ0
08H
HZH
HZ15
HZ14
HZ13
HZ12
HZ11
HZ10
HZ9
HZ8
Reset
0
0
0
0
0
0
0
0
Measurement data of magnetic sensor X-axis/Y-axis/Z-axis
HXL[7:0]: X-axis measurement data lower 8bit
HXH[15:8]: X-axis measurement data higher 8bit
HYL[7:0]: Y-axis measurement data lower 8bit
HYH[15:8]: Y-axis measurement data higher 8bit
HZL[7:0]: Z-axis measurement data lower 8bit
HZH[15:8]: Z-axis measurement data higher 8bit
Measurement data is stored in two’s complement and Little Endian format. Measurement range of each
axis is from -32760 ~ 32760 decimal in 16-bit output.
Measurement data (each axis) [15:0]
Magnetic flux
density [µT]
Two’s complement Hex Decimal
0111 1111 1111 1000 7FF8 32760 4912(max.)
| | | |
0000 0000 0000 0001 0001 1 0.15
0000 0000 0000 0000 0000 0 0
1111 1111 1111 1111 FFFF -1 -0.15
| | | |
1000 0000 0000 1000 8008 -32760 -4912(min.)
Table 4 Measurement data format
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