Texas Instruments INA230 Evaluation Module INA230EVM INA230EVM 데이터 시트
제품 코드
INA230EVM
INA230EVM Software Overview
illustrates how to configure the I
2
C addresses. Click on either the A0 or A1 box and select how
the hardware is configured on the EVM. Failure to select the correct address prevents the INA230 device
from communicating with the software.
from communicating with the software.
Figure 16. Setting the A1 Address
5.2.2
Configure Operating Mode
The second step of the INA230EVM configuration process allows the user to set the operating mode and
the averaging mode.
the averaging mode.
The Operating mode allows the user to restrict the amount of calculations done within the INA230 by
changing the conversion to be triggered or continuous, or shutting down the part altogether. When the
device is operating in triggered mode, it only performs conversions when the operating mode is set and
the Write All Reg button at the top of the screen is selected. After the mode changes and Write All Reg
has been selected, the Read All Reg button must also be selected in order for the changes on the device
to be reflected in the software.
changing the conversion to be triggered or continuous, or shutting down the part altogether. When the
device is operating in triggered mode, it only performs conversions when the operating mode is set and
the Write All Reg button at the top of the screen is selected. After the mode changes and Write All Reg
has been selected, the Read All Reg button must also be selected in order for the changes on the device
to be reflected in the software.
When the INA230 is operating in continuous mode, conversions are performed directly after the previous
conversion is completed. When the INA230EVM software is in continuous mode, the software can be
updated at any time by pressing the Read All Reg button.
conversion is completed. When the INA230EVM software is in continuous mode, the software can be
updated at any time by pressing the Read All Reg button.
Power Down mode stops all conversions from taking place until the operating mode changes again. The
device remains attached to power but draws minimal current and does not perform any conversions.
device remains attached to power but draws minimal current and does not perform any conversions.
17
SBOU124 – March 2012
INA230EVM Evaluation Board and Software Tutorial
Copyright © 2012, Texas Instruments Incorporated