SI7013-A20 Datasheet, PDF (34/45 Pages) Silicon Laboratories – IC HUMIDITY AND TWO-ZONE TEMPERATURE SENSOR

Si7013-A20
6.1. Register Descriptions
Register 1. User Register 1
Bit
Name
Type
D7
RES1
R/W
D6
VDDS
R
Reset Settings = 0011_1010
Bit
D7; D0
Name
RES[1:0]
D6
VDDS
D5, D4, D3
D2
D1
RSVD
HTRE
RSVD
D5
D4
RSVD
R/W
D3
D2
D1
HTRE
RSVD
R/W
R/W
D0
RES0
R/W
Function
Measurement Resolution:
RH
00:
12 bit
01:
8 bit
10:
10 bit
11:
11 bit
Temp
14 bit
12 bit
13 bit
11 bit
V_DD Status:
0:
1:
V_DD OK
V_DD Low
The minimum recommended operating voltage is 1.9 V. A transi-
tion of the V_DD status bit from 0 to 1 indicates that V_DD is
between 1.8 V and 1.9 V. If the V_DD drops below 1.8 V, the
device will no longer operate correctly.
Reserved
1 = On-chip Heater Enable
0 = On-chip Heater Disable
Reserved
34
Rev. 1.1