MMA8450QT Freescale Semiconductor, MMA8450QT Datasheet - Page 4

• Manufacturer Part Number: MMA8450QT
• Description: Board Mount Accelerometers 12bit 3-Axis FIFO HPF PL
• Manufacturer: Freescale Semiconductor

Specifications of MMA8450QT

• Sensing Axis: X, Y, Z
• Acceleration: 2 g, 4 g, 8 g
• Digital Output - Number Of Bits: 12 bit
• Supply Voltage (max): 1.89 V
• Supply Voltage (min): 1.71 V
• Supply Current: 3 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Shutdown: Yes
• Sensitivity: 0.976 mg/digit, 1.953 mg/digit, 3.906 mg/digit
• Package / Case: QFN-16
• Output Type: Digital
• Package Type: QFN
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 3mm
• Product Height (mm): 1mm
• Product Length (mm): 3mm
• Mounting: Surface Mount
• Pin Count: 16
• Acceleration Range: ± 2g, ± 4g, ± 8g
• No. Of Axes: 3
• Ic Interface Type: I2C, Serial
• Sensor Case Style: QFN
• No. Of Pins: 16
• Supply Voltage Range: 1.71V To 1.89V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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MMA8450Q
6.4
6.5
6.6
0x1C: PL_BF_ZCOMP Back/Front and Z Compensation Register ............................................................................. 30
0x1D - 0x1F: PL_P_L_THS_REG1, 2, 3 Portrait-to-Landscape Threshold Registers ................................................. 30
0x20 - 0x22 PL_L_P_THS_REG1, 2, 3 Landscape-to-Portrait Threshold Registers .................................................. 31
0x23: FF_MT_CFG_1 Freefall and Motion Configuration Register 1 .......................................................................... 32
0x24 FF_MT_SRC_1 Register .................................................................................................................................... 33
0x25: FF_MT_THS_1 Freefall and Motion Threshold 1 Register ................................................................................ 33
0x26: FF_MT_COUNT_1 Freefall Motion Count 1 Register ........................................................................................ 34
0x27: FF_MT_CFG_2 Freefall and Motion Configuration 2 Register .......................................................................... 35
0x28: FF_MT_SRC_2 Freefall and Motion Source 2 Register .................................................................................... 35
0x29: FF_MT_THS_2 Freefall and Motion Threshold 2 Register ................................................................................ 35
0x2A: FF_MT_COUNT_2 Freefall and Motion Debounce 2 Register .......................................................................... 35
0x2B: TRANSIENT_CFG Transient Configuration Register ........................................................................................ 35
0x2C: TRANSIENT_SRC Transient Source Register .................................................................................................. 35
0x2D: TRANSIENT_THS Transient Threshold Register ............................................................................................. 36
0x2E: TRANSIENT_COUNT Transient Debounce Register......................................................................................... 36
0x2F: PULSE_CFG Pulse Configuration Register ....................................................................................................... 37
0x30: PULSE_SRC Pulse Source Register ................................................................................................................. 37
Table 23. PL_BF_ZCOMP Description ..................................................................................................................... 30
Table 24. Back/Front Orientation Definitions ............................................................................................................ 30
Table 25. PL_P_L_THS_REG1 Description ............................................................................................................. 30
Table 26. PL_P_L_THS_REG2 Description ............................................................................................................. 30
Table 27. PL_L_P_THS_REG1 Description ............................................................................................................. 31
Table 28. PL_L_P_THS_REG2 Description ............................................................................................................. 31
Table 29. PL_L_P_THS_REG3 Description ............................................................................................................. 31
Table 30. PL_P_L_THS_REG3 Description ............................................................................................................. 31
Table 31. Portrait-to-Landscape Trip Angle Thresholds Look-up Table ................................................................... 31
Table 32. Landscape-to-Portrait Trip Angle Thresholds Look-up Table ................................................................... 32
Freefall & Motion Detection Registers ....................................................................................................................... 32
Table 33. FF_MT_CFG_1 Description ...................................................................................................................... 32
Table 34. FF_MT_SRC_1 Description ...................................................................................................................... 33
Table 35. FF_MT_THS_1 Description ...................................................................................................................... 33
Figure 12. DBCNTM Bit Function ............................................................................................................................. 34
Table 36. FF_MT_COUNT_1 Description ................................................................................................................. 34
Table 37. FF_MT_COUNT_1 and FF_MT_COUNT_2 Relationship with the ODR .................................................. 34
Transient Detection Registers ................................................................................................................................... 35
Table 38. TRANSIENT_ CFG Description ................................................................................................................ 35
Table 39. TRANSIENT_THS Description ................................................................................................................. 36
Table 40. TRANSIENT_COUNT Description ............................................................................................................ 36
Table 41. TRANSIENT_COUNT relationship with the ODR ..................................................................................... 36
Table 42. TRANSIENT_SRC Description ................................................................................................................. 36
Table 43. PULSE_CFG Description .......................................................................................................................... 37
Table 44. TPULSE_SRC Description ....................................................................................................................... 37
Tap Detection Registers .......................................................................................................................................... 37
0x1C: PL_BF_ZCOMP Register (Read/Write) .................................................................................................... 30
0x1D PL_P_L_THS_REG1 Register (Read/Write) ............................................................................................. 30
0x1E PL_P_L_THS_REG2 Register (Read/Write) ............................................................................................. 30
0x1F PL_P_L_THS_REG3 Register (Read/Write) .............................................................................................. 30
0x20 PL_L_P_THS_REG1 Register (Read/Write) .............................................................................................. 31
0x21 PL_L_P_THS_REG2 Register (Read/Write) .............................................................................................. 31
0x22 PL_L_P_THS_REG3 Register (Read/Write) .............................................................................................. 31
0x23 FF_MT_CFG_1 Register (Read/Write) ...................................................................................................... 32
0x24: FF_MT_SRC_ Freefall and Motion Source Register (0x24) (Read Only) ................................................. 33
0x25 FF_MT_THS_1 Register (Read/Write) ....................................................................................................... 33
0x26 FF_MT_COUNT_1 Register (Read/Write) ................................................................................................. 34
0x27 FF_MT_CFG_2 Register (Read/Write) ...................................................................................................... 35
0x28 FF_MT_SRC_2 Register (Read Only) ....................................................................................................... 35
0x29 FF_MT_THS_2 Register (Read/Write) ....................................................................................................... 35
0x2A FF_MT_COUNT_2 Register (Read/Write) ................................................................................................. 35
0x2B TRANSIENT_ CFG Register (Read/Write) ................................................................................................ 35
0x2C TRANSIENT_SRC Register (Read Only) .................................................................................................. 35
0x2D TRANSIENT_THS Register (Read/Write) ................................................................................................. 36
0x2F PULSE_CFG Register (Read/Write) ........................................................................................................... 37
0x30 PULSE_SRC Register (Read Only) ........................................................................................................... 37
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