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HTS221TR Datasheet(PDF) 20 Page - STMicroelectronics

Part # HTS221TR
Description  Capacitive digital sensor for relative humidity and temperature
PDF  33 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

HTS221TR Datasheet(HTML) 20 Page - STMicroelectronics

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Register mapping
HTS221
20/33
DocID026333 Rev 4
6
Register mapping
The table below provides a list of the 8-bit registers embedded in the device and the related
addresses.
Registers marked as Reserved must not be changed. Writing to those registers may cause
permanent damage to the device.
The content of the CALIB_0..F registers that are loaded at power-on from device internal
non-volatile memory should never be modified.
Table 15. Register address map
Name
Type
Register address (hex)
Default (hex)
Reserved
00-0E
Do not modify
WHO_AM_I
R
0F
BC
AV_CONF
R/W
10
1B
Reserved
11-1C
Do not modify
CTRL_REG1
R/W
20
0
CTRL_REG2
R/W
21
0
CTRL_REG3
R/W
22
0
Reserved
23-26
Do not modify
STATUS_REG
R
27
0
HUMIDITY_OUT_L
R
28
Output
HUMIDITY_OUT_H
R
29
Output
TEMP_OUT_L
R
2A
Output
TEMP_OUT_H
R
2B
Output
Reserved
2C-2F
Do not modify
CALIB_0..F
R/W
30-3F
Do not modify



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