BMP581 datasheet(67/75 Pages) BOSCH

67 / 75 page

Bosch Sensortec | BST-BMP581-DS004-11

67 | 75

Document number: BST-BMP581-DS004-11

as well as in the event of applications for industrial property rights

7.36

Bit

Read/Write

R/W

Reset Value

Content

cmd



cmd:(bit offset: 0) Available commands (Note: Register will always read as 0x00): no other values must be written to

this register

Value

Description

0x0

reserved. No command.

0x5D

First CMD in the sequence 0x5D, 0xA0/0xA5 which enables

the write/read of the NVM. If another CMD is sent within the

sequence, the sequence for enabling the NVM prog mode is

reset.

0x69

Last CMD in the sequence 0x73, 0xB4, 0x69, which enables

the extended mode and makes the debug and test pages in

the register map visible. If another CMD is sent within the

sequence, the sequence for enabling the extended page

mode is reset. The pages are changed using the register

EXT_MODE. Disabling the extended mode is done by

resetting the paging enable bit in the paging register

0x73

see extmode_en_last

0xA0

Last CMD in the sequence 0x5D, 0xA0 which enables the

write of the NVM. If another CMD is sent within the

sequence, the sequence for triggering the NVM programming

is reset.

0xA5

Last CMD in the sequence 0x5D, 0xA5 which enables the

read of the NVM. If another CMD is sent within the

sequence, the sequence for triggering the NVM read is reset.

0xB4

see extmode_en_last

0xB6

Triggers a reset, all user configuration settings are

overwritten with their default state. If this register is set using

I2C, an ACK will NOT be transmitted to the host

BMP581 Datasheet(PDF) 67 Page - Bosch Sensortec GmbH

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