Bosch BMP581 - Page 61

Bosch Sensortec"| BST-BMP581-DS004-02 61 | 74
Modifications reserved | Data subject to change
without notice Document number: BST-BMP581-DS004-02
7.28 Register (0x31) DSP IIR configuration
Bit
7
6
5
4
3
2
1
0
Read/Write
R
R
R
R
R
R/W
R/W
R/W
Reset Value
0
0
0
0
0
0
0
0
Content
reserved_7_6
set_iir_p
set_iir_t
 reserved:write 0x0.
 set_iir_p:(bit offset: 0) Pressure IIR LPF band filter selection. The filter coefficient. (Note: This field cannot be written
during an ongoing P/T conversion.)
Value Description
0b000 (0x0) Bypass
0b001 (0x1) Filter Coefficient: 1
0b010 (0x2) Filter Coefficient: 3
0b011 (0x3) Filter Coefficient: 7
0b100 (0x4) Filter Coefficient: 15
0b101 (0x5) Filter Coefficient: 31
0b110 (0x6) Filter Coefficient: 63
0b111 (0x7) Filter Coefficient: 127
 set_iir_t:(bit offset: 0) Pressure IIR LPF band filter selection. The filter coefficient (Note: This field cannot be written
during an ongoing P/T conversion.)
Value Description
0b000 (0x0) Bypass
0b001 (0x1) Filter Coefficient: 1
0b010 (0x2) Filter Coefficient: 3
0b011 (0x3) Filter Coefficient: 7
0b100 (0x4) Filter Coefficient: 15
0b101 (0x5) Filter Coefficient: 31
0b110 (0x6) Filter Coefficient: 63
0b111 (0x7) Filter Coefficient: 127
 reserved_7_6:(bit offset: 6) reserved