EVM Hardware
14
SNIU039 – December 2019
Copyright © 2019, Texas Instruments Incorporated
HDC2022EVM User's Guide
5.3
Device Address Configuration
The onboard HDC2022's I2C address is set to 1000001xb on the EVM. This is done by setting the ADDR
pin to VDD via a 0 ohm resistor (R4) (refer to
Figure 11. HDC2022EVM : Sensor Module
To change the I2C address to 0x40, remove 0
Ω
resistor R4 (refer to
).
Figure 12. HDC2022EVM: Layout Resistors for I2C Address Setting - Top
Table 3. I2C Address
ADDR
R4
HDC2022 ADDRESS
VDD
Populated
1000001
Float
Removed
1000000
In
, the EVM default configuration is in
bold
.