Datasheet
Sensors
44 NXP Semiconductors
MMA8452Q
0x30: OFF_Y offset correction Y register
0x31: OFF_Z offset correction Z register
Table 63. OFF_X description
Field Description
D[7:0]
X-axis offset value. Default value: 0000_0000.
0x30: OFF_Y register (read/write)
Bit
7
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
1
Bit
0
D7 D6 D5 D4 D3 D2 D1 D0
Table 64. OFF_Y description
Field Description
D[7:0]
Y-axis offset value. Default value: 0000_0000.
0x31: OFF_Z register (read/write)
Bit
7
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
1
Bit
0
D7 D6 D5 D4 D3 D2 D1 D0
Table 65. OFF_Z description
Field Description
D[7:0]
Z-axis offset value. Default value: 0000_0000.
Table 66. MMA8452Q register map
Reg Name Definition Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
00 STATUS Data Status R ZYXOW ZOW YOW XOW ZYXDR ZDR YDR XDR
01 OUT_X_MSB 12-bit X data R XD11 XD10 XD9 XD8 XD7 XD6 XD5 XD4
02 OUT_X_LSB 12-bit X data R XD3 XD2 XD1 XD0 0 0 0 0
03 OUT_Y_MSB 12-bit Y data R YD11 YD10 YD9 YD8 YD7 YD6 YD5 YD4
04 OUT_Y_LSB 12-bit Y data R YD3 YD2 YD1 YD0 0 0 0 0
05 OUT_Z_MSB 12-bit Z data R ZD11 ZD10 ZD9 ZD8 ZD7 ZD6 ZD5 ZD4
06 OUT_Z_LSB 12-bit Z data R ZD3 ZD2 ZD1 ZD0 0 0 0 0
0B SYSMOD System mode R 0 0 0 0 0 0 SYSMOD1 SYSMOD0
0C INT_SOURCE Interrupt Status R SRC_ASLP 0 SRC_TRANS SRC_LNDPRT SRC_PULSE SRC_FF_MT 0 SRC_DRDY
0D WHO_AM_I ID Register R 0 0 1 0 1 0 1 0
0E XYZ_DATA_CFG Data Config R/W 0 0 0 HPF_OUT 0 0 FS1 FS0
0F HP_FILTER_CUTOFF HP Filter Setting R/W 0 0 Pulse_HPF_BYP Pulse_LPF_EN 0 0 SEL1 SEL0
10 PL_STATUS PL Status R NEWLP LO 0 0 0 LAPO[1] LAPO[0] BAFRO
11 PL_CFG PL Configuration R/W DBCNTM PL_EN 0 0 0 0 0 0
12 PL_COUNT PL DEBOUNCE R/W DBNCE[7] DBNCE[6] DBNCE[5] DBNCE[4] DBNCE[3] DBNCE[2] DBNCE[1] DBNCE[0]
13 PL_BF_ZCOMP
PL Back/Front Z Comp
R
BKFR[1] BKFR[0] 0 0 0 ZLOCK[2] ZLOCK[1] ZLOCK[0]
14 PL_THS_REG PL THRESHOLD R PL_THS[4] PL_THS[3] PL_THS[2] PL_THS[1] PL_THS[0] HYS[2] HYS[1] HYS[0]
15 FF_MT_CFG
Freefall/Motion Config
R/W
ELE OAE ZEFE YEFE XEFE 0 0 0
16 FF_MT_SRC
Freefall/Motion Source
R
EA 0 ZHE ZHP YHE YHP XHE XHP
17 FF_MT_THS
Freefall/Motion threshold
R/W
DBCNTM THS6 THS5 THS4 THS3 THS2 THS1 THS0