Datasheet

MMA8652FC
Sensors
Freescale Semiconductor, Inc. 41
Figure 15. DBCNTM bit function
Table 57. FF_MT_COUNT relationship with the ODR
ODR
(Hz)
Max Time Range (s) Time Step (ms)
Normal LPLN HighRes LP Normal LPLN HighRes LP
800 0.319 0.319 0.319 0.319 1.25 1.25 1.25 1.25
400 0.638 0.638 0.638 0.638 2.5 2.5 2.5 2.5
200 1.28 1.28 0.638 1.28 5 5 2.5 5
100 2.55 2.55 0.638 2.55 10 10 2.5 10
50 5.1 5.1 0.638 5.1 20 20 2.5 20
12.5 5.1 20.4 0.638 20.4 20 80 2.5 80
6.25 5.1 20.4 0.638 40.8 20 80 2.5 160
1.56 5.1 20.4 0.638 40.8 20 80 2.5 160
High g Event on
Count Threshold
FF
FFEA
all 3-axis
(Motion Detect)
Counter
Value
High g Event on
Count Threshold
Debounce
(a)
all 3-axis
(Motion Detect)
Counter
Value
High g Event on
Count Threshold
Debounce
EA
all 3-axis
(Motion Detect)
Counter
Value
DBCNTM = 1
(b)
EA
DBCNTM = 0
(c)