LSM303AGR Datasheet, PDF (25/68 Pages) STMicroelectronics – ultra-low-power 3D accelerometer and 3D magnetometer

LSM303AGR
Functionality
Figure 6. Magnetometer self-test procedure
:ULWH&KWR&)*B5(*B$B0K
:ULWHKWR&)*B5(*B%B0K
:ULWHKWR&)*B5(*B&B0K
Æ ,QLWLDOL]H6HQVRUWXUQRQVHQVRU
Æ %'8&RQWLQXRXV&RQYHUVLRQPRGH(QDEOHRIIVHWFDQFHOODWLRQ
2'5 +]
3RZHUXSZDLWPVIRUVWDEOHRXWSXW
&KHFN=\[GD LQ67$786B5(*B0K± 0DJ'DWD5HDG\%LW
5HDG0DJ287;287<287=WRFOHDU=\[GD ELWLQUHJLVWHU
67$786B5(*B0K ZDLWIRUWKHILUVWVDPSOH Æ 'LVFDUGGDWD
5HDGWKHRXWSXWUHJLVWHUVDIWHUFKHFNLQJ=\[GD ELW WLPHV
:KHQ=\[GD 
5HDG287;B/B5(*B0K287;B+B5(*B0K6WRUHGDWDLQ287;B1267
5HDG287<B/B5(*B0$K287<B+B5(*B0%K6WRUHGDWDLQ287<B1267
5HDG287=B/B5(*B0&K287=B+B5(*B0'K6WRUHGDWDLQ287=B1267
7KHELWGDWDLVH[SUHVVHGLQWZR¶VFRPSOHPHQW
$YHUDJHWKHVWRUHGGDWDRQHDFKD[LV
:ULWHKWR&)*B5(*B&B0K
Æ(QDEOH6HOI7HVW
:DLWIRUPV
&KHFN=\[GD LQ67$786B5(*B0K± 0DJ'DWD5HDG\%LW
5HDG0DJ287;287<287=WRFOHDU=\[GD ELWLQUHJLVWHU
67$786B5(*B0KZDLWIRUWKHILUVWVDPSOH Æ 'LVFDUGGDWD
5HDGWKHRXWSXWUHJLVWHUVDIWHUFKHFNLQJ=\[GD ELW WLPHV
:KHQ=\[GD 
5HDG287;B/B5(*B0K287;B+B5(*B0K6WRUHGDWDLQ287;B67
5HDG287<B/B5(*B0$K287<B+B5(*B0%K6WRUHGDWDLQ287<B67
5HDG287=B/B5(*B0&K287=B+B5(*B0'K6WRUHGDWDLQ287=B67
7KHELWGDWDLVH[SUHVVHGLQWZR¶VFRPSOHPHQW
$YHUDJHWKHVWRUHGGDWDRQHDFKD[LV
0LQ67B; _287;B67 287;B1267_ 0D[67B;
$1'
0LQ67B< _287<B67 287<B1267_ 0D[67B<
$1'
0LQ67B= _287=B67 287=B1267_ 0$;67B=
<(63$66
12)$,/
:ULWHKWR&)*B5(*B&B0K 'LVDEOHVHOIWHVW
:ULWHKWR&)*B5(*B$B0K ,GOHPRGH
DocID027765 Rev 5
25/68
68