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BMP581 Datasheet(PDF) 58 Page - Bosch Sensortec GmbH |
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BMP581 Datasheet(HTML) 58 Page - Bosch Sensortec GmbH |
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58 / 75 page  Bosch Sensortec | BST-BMP581-DS004-11 58 | 75 © Bosch Sensortec GmbH 2023 | All rights reserved, also regarding any disposal, exploitation, reproduction, editing, distribution, Document number: BST-BMP581-DS004-11 as well as in the event of applications for industrial property rights 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 status_core_rdy:(bit offset: 0) If asserted, the digital core domain is accessible 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) If asserted, indicates a boot command error, due to at least one of the following reasons: - nvm_usr_read / nvm_usr_prog command submitted when CFG.STATE.nvm_rdy = 0 (FCU is not in STANDBY mode). Boot command not executed -> Boot.STATUS.* and CFG.status.nvm_err not updated. - nvm_usr_prog command submitted when CFG.MISC.nvm_prog_en = 0. Boot command executed -> Boot.STATUS.* and CFG.status.nvm_err updated. - nvm_usr_prog command submitted with CFG.NVM_ADDR.nvm_row_addr outside valid range (6'h08, 6'h09, 6'h1E-6'h22). Boot command executed -> Boot.STATUS.* and CFG.status.nvm_err updated. This bit is cleared upon a new NVM command status_boot_err_corrected:(bit offset: 4) If asserted, indicates that an error has been corrected by ECC during last boot-loading Note: This bit is cleared upon a new NVM user command. Additionally, in Deep sleep (Normal and Forced) the NVM is downloaded at beginning of each measurement. It is valid after DRY until the next measurement starts. reserved_6_5:(bit offset: 5) reserved st_crack_pass:(bit offset: 7) If asserted, crack check has been successfully executed without detecting a crack. Note: this bit is cleared with deasserting ASIC_SELFTEST_CTRL.st_crack_check |
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