MC3410 Datasheet, PDF (27/75 Pages) NXP Semiconductors – 10-Bit high-speed multiplying D/A converter

MC3410 3-Axis Accelerometer
Datasheet
UD_Z_TH ≈ max (1º)
(Up/Down Arc radius)
POLA =
UP
UD_X_TH ≈ 40º
Hysteresis ≈ 10º
-X
RL_Y_TH ≈ 40º
POLA = +Y
LEFT
-Y POLA =
RIGHT
UD_Z_TH ≈ 59º
(Up/Down Arc radius)
POLA =
UP
-X
UD_X_TH ≈ 13º
Hysteresis ≈ 49º
POLA = UNKNOWN in
shaded regions
POLA = +Y
LEFT
RL_Y_TH ≈ 28º
-Y POLA =
RIGHT
RL_Z_TH ≈ max (1º)
(Left/Right Arc radius)
+X
POLA =
DOWN
PsOhLaAde=dUreNgKioNnOsWN _in
RL_Z_TH ≈ 1º
(Left/Right Arc radius)
+X
POLA =
DOWN
Figure 10. Effect of Changing UD_Z_TH Threshold Figure 11. Example of Complex Thresholds for
with Hysteresis = 10 degrees
Up/Down X, Right/Left Y, Up/Down Z & Right/Left Z
Table 13 summarizes the portrait/landscape event evaluation criteria. Some example threshold
values and the corresponding trip angle and amount of hysteresis are shown in Table 14.
Event
X Axis
Y Axis
Up
|Z| < (UD_Z_TH) and
|X| > (UD_X_TH) and
X<0
Down
|Z| < (UD_Z_TH) and
|X| > (UD_X_TH) and
X>0
Right
|Z| < (RL_Z_TH) and
|Y| > (RL_Y_TH) and
Y<0
Left
|Z| < (RL_Z_TH) and
|Y| > (RL_Y_TH) and
Y>0
Table 13. Portrait/Landscape Event Evaluation Criteria
Z Axis
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APS-048-0010v2.2
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