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

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