Freescale Semiconductor Energy Efficient Solutions Xtrinsic MMA8452Q, Data Sheet: Technical Data

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MMA8452Q
Sensors
42 Freescale Semiconductor, Inc.
2E CTRL_REG5
Control Reg5
(Interrupt Configuration)
R/W
INT_CFG_ASLP 0 INT_CFG_TRANS
INT_CFG_LNDPR
T
INT_CFG_PULSE INT_CFG_FF_MT 0
INT_CFG_DRD
Y
2F OFF_X X 8-bit offset R/W D7 D6 D5 D4 D3 D2 D1 D0
30 OFF_Y Y 8-bit offset R/W D7 D6 D5 D4 D3 D2 D1 D0
31 OFF_Z Z 8-bit offset R/W D7 D6 D5 D4 D3 D2 D1 D0
Table 67. Accelerometer Output Data
12-bit Data Range ±2g (1 mg) Range ±4g (2 mg) Range ±8g (3.9 mg)
0111 1111 1111 1.999g +3.998g +7.996g
0111 1111 1110 1.998g +3.996g +7.992g
… … … …
0000 0000 0001 0.001g +0.002g +0.004g
0000 0000 0000 0.0000g 0.0000g 0.0000g
1111 1111 1111 -0.001g -0.002g -0.004g
… … … …
1000 0000 0001 -1.999g -3.998g -7.996g
1000 0000 0000 -2.0000g -4.0000g -8.0000g
8-bit Data Range ±2g (15.6 mg) Range ±4g (31.25 mg) Range ±8g (62.5 mg)
0111 1111 1.9844g +3.9688g +7.9375g
0111 1110 1.9688g +3.9375g +7.8750g
… … … …
0000 0001 +0.0156g +0.0313g +0.0625g
0000 0000 0.000g 0.0000g 0.0000g
1111 1111 -0.0156g -0.0313g -0.0625g
… … … …
1000 0001 -1.9844g -3.9688g -7.9375g
1000 0000 -2.0000g -4.0000g -8.0000g
Table 66. MMA8452Q Register Map