Texas Instruments DAC38RF80EVM, Руководство пользователя

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Generating Configuration Files for Custom Boards
15 SLAU671A – October 2016 – Revised March 2017
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DAC38RF8xEVM
3 Generating Configuration Files for Custom Boards
Normally, after the evaluation process, it may be necessary to transfer the DAC configuration settings to a
custom board. The following steps outline the features of the DAC38RF8xEVM GUI that can facilitate this
process.
3.1 Status Log
The status log can be used to determine information about the register address and data of every control
on the EVM GUI. To access the status log, double click inside the lower left corner of the EVM GUI as
shown in
Figure 16 . In the following example, the Coarse DAC Gain control on the EVM GUI will be used
to show how to use the status log:
• Bring up the status log by doubling clicking inside the lower left corner of EVM GUI ( Figure 16 ). Once
opened, right click anywhere inside the status log window and select "clear log" to clear the log
window.
• Navigate to the DAC38RF8x>>Overview tab and change the value of Coarse DAC Gain control to 11.
Check the status log for information on the SPI address (0x0D), page (0x4) and data (0xB000)
associated with the
Coarse DAC Gain control. The information in the status log can be interpreted as
follows:
Write Register: DAC38RF8x.config* [0x4-bits page address,8-bits register address]-[16-bits data]
Figure 16. DAC38RF8xEVM GUI Status Log
3.2 Low Level View
The low Level View tab can be used to perform the following functions:
1. Read and Save configuration file
To save all the register configuration information for the current session, from the low level view tab,
click on the “read all” button (or icon) to update the register information in the GUI. Afterwards, click on
the “save all” button (or icon) and enter a desired name to be used to save the configuration file. The
DAC38RF8x configuration registers are saved in the following format:
[4-bits page address (in hex), 8-bits register address (in hex)] 16bits data (in hex)
2. Access a specific register
In the Register Map window on the Low Level View , click on any desired register name to highlight the
register. The Register Description window provides detailed description of the highlighted register.
Also, read and write actions can be performed on this specific register using the Write Register and
Read Register buttons in the lower right corner of the GUI (see Figure 17 ).