MMA8451QR1 Freescale, MMA8451QR1 Datasheet - Page 3

• Manufacturer Part Number: MMA8451QR1
• Manufacturer: Freescale

Specifications of MMA8451QR1

• Lead Free Status / RoHS Status: Compliant

6
Sensors
Freescale Semiconductor
Register Descriptions .......................................................................................................................................................21
6.1
6.2
6.3
Data Registers: 0x01 OUT_X_MSB, 0x02 OUT_X_LSB, 0x03 OUT_Y_MSB, 0X04 OUT_Y_LSB ............................24
F_MODE > 0 0x00: F_STATUS FIFO Status Register ................................................................................................24
0x09: F_SETUP FIFO Set-up Register ........................................................................................................................25
0x0A: TRIG_CFG .........................................................................................................................................................26
0x0B: SYSMOD System Mode Register ......................................................................................................................26
0x0C: INT_SOURCE System Interrupt Status Register ...............................................................................................27
0x0D: WHO_AM_I Device ID Register .........................................................................................................................28
0x0E: XYZ_DATA_CFG Register ................................................................................................................................28
0x0F: HP_FILTER_CUTOFF High Pass Filter Register ..............................................................................................28
0x10: PL_STATUS Portrait/Landscape Status Register ..............................................................................................29
0x11 Portrait/Landscape Configuration Register .........................................................................................................30
0x12 Portrait/Landscape Debounce Counter ...............................................................................................................30
0x13: PL_BF_ZCOMP Back/Front and Z Compensation Register ..............................................................................30
0x14: P_L_THS_REG Portrait/Landscape Threshold and Hysteresis Register ...........................................................31
Table 11. Register Address Map ...............................................................................................................................21
Data Registers ...........................................................................................................................................................22
Table 12. STATUS Description .................................................................................................................................23
32 Sample FIFO ........................................................................................................................................................24
Table 13. FIFO Flag Event Description .....................................................................................................................25
Table 14. FIFO Sample Count Description ...............................................................................................................25
Table 15. F_SETUP Description ...............................................................................................................................25
Table 16. Trigger Configuration Description ..............................................................................................................26
Table 17. SYSMOD Description ................................................................................................................................26
Table 18. INT_SOURCE Description ........................................................................................................................27
Table 19. XYZ Data Configuration Descriptions ........................................................................................................28
Table 20. Full Scale Range .......................................................................................................................................28
Table 21. High Pass Filter Cut-off Register Descriptions ..........................................................................................28
Table 22. High Pass Filter Cut-off Options ................................................................................................................29
Portrait/ Landscape Embedded Function Registers ..................................................................................................29
Table 23. PL_STATUS Register Description ............................................................................................................29
Table 24. PL_CFG Description .................................................................................................................................30
Table 25. PL_COUNT Description ............................................................................................................................30
Table 26. PL_COUNT Relationship with the ODR ....................................................................................................30
Table 27. PL_BF_ZCOMP Description .....................................................................................................................30
Table 28. Z-Lock Threshold Angles ..........................................................................................................................31
Table 29. Back/Front Orientation Definition ..............................................................................................................31
Table 30. P_L_THS_REG Description ......................................................................................................................31
Table 31. Threshold Angle Thresholds Look-up Table .............................................................................................31
Table 32. Trip Angles with Hysteresis for 45° Angle .................................................................................................31
F_MODE = 00: 0X00 STATUS: Data Status Register (Read Only) ....................................................................22
0x01 OUT_X_MSB: X_MSB Register (Read Only) .............................................................................................24
0x02 OUT_X_LSB: X_LSB Register (Read Only) ...............................................................................................24
0x03 OUT_Y_MSB: Y_MSB Register (Read Only) .............................................................................................24
0x04 OUT_Y_LSB: Y_LSB Register (Read Only) ...............................................................................................24
0x05 OUT_Z_MSB: Z_MSB Register (Read Only) .............................................................................................24
0x06 OUT_Z_LSB: Z_LSB Register (Read Only) ...............................................................................................24
0x00 F_STATUS: FIFO STATUS Register (Read Only) .....................................................................................24
0x09 F_SETUP: FIFO Set-up Register (Read/Write) ..........................................................................................25
0x0A: TRIG_CFG Trigger Configuration Register (Read/Write) ..........................................................................26
0x0B SYSMOD: System Mode Register (Read Only) .........................................................................................26
0x0D: WHO_AM_I Device ID Register (Read Only) ............................................................................................28
0x0E: XYZ_DATA_CFG (Read/Write) .................................................................................................................28
0x0F HP_FILTER_CUTOFF: High Pass Filter Register (Read/Write) ................................................................28
0x10 PL_STATUS Register (Read Only) ............................................................................................................29
0x11 PL_CFG Register (Read/Write) ..................................................................................................................30
0x12 PL_COUNT Register (Read/Write) .............................................................................................................30
0x13: PL_BF_ZCOMP Register (Read/Write) .....................................................................................................30
0x14: P_L_THS_REG Register (Read/Write) ......................................................................................................31
MMA8451Q
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