Datasheet

Sensors
Freescale Semiconductor, Inc. 18
MMA7660FC
NOTE: If interrupts are enabled, interrupts will behave normally in all conditions stated in Table 11.
Table 12. Sleep Counter Timeout Ranges
$08: Auto-Wake and Active Mode Portrait/Landscape Samples per Seconds Register (Read/Write)
SR — Sample Rate Register
Table 11. ASE/AWE Conditions
Condition Auto-Wake (Sleep Mode) Auto-Sleep (Run Mode)
AWE = 0, ASE = 0 X
AWE = 1, ASE = 0 X
AWE = 0, ASE = 1 X X
AWE = 1, ASE = 1 X X
AMSR
SCPS = 0 SCPS = 1
Minimum Range (2
0
) Maximum Range (2
8
) Minimum Range (2
0
) Maximum Range (2
8
)
1 SPS 1 s 256 s 16 s 4096 s
2 SPS 0.5 s 128 s 8 s 2048 s
4 SPS 0.25 s 34 s 4 s 1024 s
8 SPS 0.125 s 32 s 2 s 512 s
16 SPS 0.625 s 16 s 1 s 256 s
32 SPS 0.03125 s 8 s 0.5 s 128 s
64 SPS 0.0156 s 4 s 0.25 s 64 s
120 SPS 0.00836 s 2.14 s 0.133 s 34.24 s
D7 D6 D5 D4 D3 D2 D1 D0
FILT[2] FILT[1] FILT[0] AWSR[1] AWSR[0] AMSR[2] AMSR[1] AMSR[0]
000 0 0 0 0 0