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