Software Operation
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10
SLUU258B – November 2007 – Revised July 2017
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bq2022A Evaluation Software
8
Software Operation
Run the program from the Start|Programs|Texas Instruments|bq2022A Evaluation Software menu
sequence.
8.1
Evaluation Software Pages
This section describes the function of each page of the EVSW.
8.2
ROM CMD
This page provides all the ROM commands for bq2022A (see
Figure 6
).
8.2.1
Sections Within the ROM CMD Page
Application —
This section determines the number of bq2022A devices that are on the SDQ bus. If only
one device is used, then select
Single Device
. This option sends the
SKIP ROM
command before
any communication attempt is made with the device. If more than one device is used, then select
Multiple Devices
. This option sends the
MATCH ROM
command before any communication attempt
is made with the desired device
Search ROM —
This section demonstrates the
SEARCH ROM
command. When multiple devices are on
the SDQ bus, the ROM ID of the devices that share the bus is listed.
Match ROM —
This section is only available when the
Multiple Devices
option is selected in the
Application section. To use the
MATCH ROM
, enter the ROM ID of the device of interest in the text
box, and then click on the
Select Device
button. This causes the
MATCH ROM
commands with the
desired ROM ID to be sent whenever communication is attempted with the desired device. If
SEARCH ROM
is used, the desired ID can be copied from the
SEARCH ROM
list, and then pasted
into the
MATCH ROM
text box. Ensure that only the ID numbers are pasted into the text box and
not the whole line referring to the device.
Read ROM —
This section is only available when the
Single Device
option is selected in the Application
section. The ID ROM of the device on the SDQ communication line is displayed.
