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BME690 Datasheet(PDF) 34 Page - Bosch Sensortec GmbH

Part # BME690
Description  Digital low power temperature, humidity, pressure and gas sensor with AI
PDF  60 Pages
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Manufacturer  BOSCH [Bosch Sensortec GmbH]
Direct Link  https://www.bosch-sensortec.com
Logo BOSCH - Bosch Sensortec GmbH

BME690 Datasheet(HTML) 34 Page - Bosch Sensortec GmbH

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Bosch Sensortec | BME690 - Datasheet
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© Bosch Sensortec GmbH 2025 | All rights reserved, also regarding any disposal, exploitation, reproduction, editing, distribution,
Document number: BST-BME690-DS001-04
as well as in the event of applications for industrial property rights
5.2 Memory map
The memory map is given in Table 22, noting that not all reserved registers are depicted.
Table 22: Memory map
Register name
I2C
SPI
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit2
Bit 1
Bit 0
Reset state
Adr
Adr
Pg
Status
73h
73h
1
spi_mem_page
01h
Variant_Id
F0h
70h
0
variant_id<7:0>
02h
Reset
E0h
60h
0
reset<7:0>
00h
Chip_Id
D0h
50h
0
chip_id<7:0>
61h
Config
75h
75h
1
filter<2:0>
spi_3w_en
00h
Ctrl_meas
74h
74h
1
osrs_t<2:0>
osrs_p<2:0>
mode<1:0>
00h
Ctrl_hum
72h
72h
1
spi_3w_int_en
osrs_h<2:0>
00h
Ctrl_gas_1
71h
71h
1
run_gas
nb_conv<3:0>
00h
Ctrl_gas_0
70h
70h
1
heat_off
00h
Gas_wait_shared
6Eh
6Eh
1
gas_wait_shared<7:0>
00h
Gas_wait_x
6Dh…64h
6Dh…64h
1
gas_wait_9<7:0> downto gas_wait_0<7:0>
00h
Res_heat_x
63h…5Ah
63h…5Ah
1
res_heat_9<7:0> downto res_heat_0<7:0>
00h
Idac_heat_x
59h…50h
59h…50h
1
idac_heat_9<7:0> downto idac_heat_0<7:0>
00h
gas_r_lsb [2]
4Fh
4Fh
1
gas_r<1:0>
gas_valid_r
heat_stab_r
gas_range_r
00h
gas_r_msb [2]
4Eh
4Eh
1
gas_r<9:2>
00h
hum_lsb [2]
48h
48h
1
hum_lsb<7:0>
00h
hum_msb [2]
47h
47h
1
hum_msb<7:0>
80h
temp_xlsb [2]
46h
46h
1
temp_xlsb<7:4>
0
0
0
0
00h
temp_lsb [2]
45h
45h
1
temp_lsb<7:0>
00h
temp_msb [2]
44h
44h
1
temp_msb<7:0>
80h
press_xlsb [2]
43h
43h
1
press_xlsb<7:4>
0
0
0
0
00h
press_lsb [2]
42h
42h
1
press_lsb<7:0>
00h
press_msb [2]
41h
41h
1
press_msb<7:0>
80h
sub_meas_index [2]
40h
40h
1
sub_meas_index_2<7:0>
00h
meas_status [2]
3Fh
3Fh
1
new_data
gas_measuring
measuring
gas_meas_index_2<3:0>
00h
gas_r_lsb [1]
3Eh
3Eh
1
gas_r<1:0>
gas_valid_r
heat_stab_r
gas_range_r
00h
gas_r_msb [1]
3Dh
3Dh
1
gas_r<9:2>
00h



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