Register mapping LPS331AP
16/36 Doc ID 022112 Rev 7
6 Register mapping
Table 14 provides a list of the 8-bit registers embedded in the device and the related
addresses.
.
Registers marked as Reserved must not be changed. The writing to those registers may
cause permanent damages to the device.
The content of the registers that are loaded at boot should not be changed. They contain the
factory calibration values. Their content is automatically restored when the device is
powered-up.
Table 14. Registers address map
Name Type
Register Address
Default
Function and
comment
Hex Binary
Reserved (Do not modify)
00-07
0D - 0E
Reserved
REF_P_XL R/W 08 0001000 00000000
REF_P_L R/W 09 0001001 00000000
REF_P_H R/W 0A 0001010 00000000
WHO_AM_I R 0F 0001111 10111011 Dummy register
RES_CONF R/W 10 0010000 011111010
Reserved (Do not modify) 11-1F Reserved
CTRL_REG1 R/W 20 010 0000 00000000
CTRL_REG2 R/W 21 010 0001 00000000
CTRL_REG3 R/W 22 010 0010 00000000
INT_CFG_REG R/W 23 0100011 00000000
INT_SOURCE_REG R 24 0100100 00000000
THS_P_LOW_REG R/W 25 0100101 0000000
THS_P_HIGH_REG R/W 26 0100110 0000000
STATUS_REG R 27 010 0111 00000000
PRESS_POUT_XL_REH R 28 010 1000 output
PRESS_OUT_L R 29 010 1001 output
PRESS_OUT_H R 2A 010 1010 output
TEMP_OUT_L R 2B 010 1011 output
TEMP_OUT_H R 2C 010 1100 output
Reserved (Do not modify) 2D-2F Reserved
AMP_CTRL R/W 30 011 0000 Partially reserved
