Bosch BMP581 - Page 58

Bosch Sensortec"| BST-BMP581-DS004-02 58 | 74
Modifications reserved | Data subject to change
without notice Document number: BST-BMP581-DS004-02
7.20 Register (0x26) Reserved
Bit
7
6
5
4
3
2
1
0
Read/Write
R
R
R
R
R
R
R
R
Reset Value
0
0
0
0
0
0
0
0
Content
reserved_reg4
reserved_reg4:(bit offset: 0) reserved (read returns always 0x00)
7.21 Register (0x27) Interrupt status register (clear-on-read).
Bit
7
6
5
4
3
2
1
0
Read/Write
R
R
R
R
R
R
R
R
Reset Value
0
0
0
0
0
0
0
0
Content
reserved_7_5
por
oor_p
fifo_ths
fifo_full
drdy_da...
drdy_data_reg:(bit offset: 0) Data Ready
fifo_full:(bit offset: 1) FIFO Full
fifo_ths:(bit offset: 2) FIFO Threshold/Watermark
oor_p:(bit offset: 3) Pressure data out-of-range
por:(bit offset: 4) POR or software reset complete
reserved_7_5:(bit offset: 5) reserved
7.22 Register (0x28) Status register
Bit
7
6
5
4
3
2
1
0
Read/Write
R
R
R
R
R
R
R
R
Reset Value
0
0
0
0
0
0
1
0
Content
reserved_7
reserved_6_5
reserved_4
status_...
status_...
status_...
reserved_0
reserved_0:(bit offset: 0)
status_nvm_rdy:(bit offset: 1) If asserted, device is ready for NVM operations
status_nvm_err:(bit offset: 2) If asserted, indicates an NVM error, due to at least one of the following reasons: - PMU
power transition fail on NVM power request - NVM timeout errors in P/E - NVM Charge Pump voltage fail in
PROGRAM/ERASE - During last boot/load command, ECC has detected 2+ errors This bit is cleared/updated upon
a new NVM command, if Boot command is executed.
status_nvm_cmd_err:(bit offset: 3) TODO UPDATE ME
reserved_4:(bit offset: 4)
reserved_6_5:(bit offset: 5) reserved
reserved_7:(bit offset: 7)
7.23 Register (0x29) FIFO output port
Bit
7
6
5
4
3
2
1
0
Read/Write
R
R
R
R
R
R
R
R
Reset Value
0
1
1
1
1
1
1
1
Content
fifo_data
fifo_data:(bit offset: 0) FIFO read data