Bosch Sensortec"| BST-BMP581-DS004-02 4 | 74
Modifications reserved | Data subject to change
without notice Document number: BST-BMP581-DS004-02
4.8 NVM Programmability ....................................................................................................................................... 29
4.8.1 NVM User Range ................................................................................................................................. 29
4.9 Final test result ................................................................................................................................................. 30
5 Digital Interface ........................................................................................................................................................... 31
5.1 Protocol Selection ............................................................................................................................................. 31
5.2 Interface timing ................................................................................................................................................. 31
5.2.1 Interface timing ..................................................................................................................................... 32
5.2.2 I2C timing specifications ....................................................................................................................... 33
5.2.3 I3C timing specifications ....................................................................................................................... 33
5.3 Pad drive stength .............................................................................................................................................. 34
5.4 Read burst address increment .......................................................................................................................... 36
5.5 SPI Protocol ...................................................................................................................................................... 36
5.5.1 SPI3 Wire Mode ................................................................................................................................... 36
5.5.2 SPI Write Operation ............................................................................................................................. 36
5.5.3 SPI read operation ............................................................................................................................... 37
5.5.4 SPI hybrid bursts .................................................................................................................................. 38
5.6 I²C protocol ....................................................................................................................................................... 38
5.6.1 I²C write operation ................................................................................................................................ 39
5.6.2 I²C read operation ................................................................................................................................ 40
5.7 I3C Protocol ...................................................................................................................................................... 42
5.7.1 I3C Identifiers ....................................................................................................................................... 42
5.7.2 I3C In-band Interrupts .......................................................................................................................... 42
5.7.3 Common Command Codes (CCC) ....................................................................................................... 44
5.7.4 I3C SDR Operations ............................................................................................................................ 45
5.7.5 S0/S1 error recovery ............................................................................................................................ 45
6 Pin out and connection diagrams ............................................................................................................................. 46
6.1 Pin Out ............................................................................................................................................................. 46
6.2 Connection Diagrams ....................................................................................................................................... 46
6.2.1 SPI 3-wire ............................................................................................................................................ 47
6.2.2 SPI 4-wire ............................................................................................................................................ 47
6.2.3 I²C ........................................................................................................................................................ 48
6.2.4 I3C ....................................................................................................................................................... 48
6.2.5 SPI/I²C/I3C Configuration with VDD, VDDIO ramp-up time <10 μs ...................................................... 49
7 Register Map ................................................................................................................................................................ 50
7.1 Register (0x01) ASIC identification ID ............................................................................................................... 51