Initial Configuration; Setting The Dac Output; Updating Diagnostic Results; Example Sequences - Analog Devices EVAL-AD5413SDZ User Manual

UG-1757

INITIAL CONFIGURATION

An initial configuration wizard is available when the
plugin opens that allows quick configuration of the AD5413, the
DAC configuration register, and the DAC input register. Click
Apply to initiate the configured settings in the order of the
recommended power-up sequence on the

SETTING THE DAC OUTPUT

To configure the DAC output, use the DAC Config Register
pop-up menu (see Figure 10). Click the 14 Bit DAC button in
the block diagram (see Figure 8) to display the DAC
configuration register. Select the appropriate settings and click
Apply Changes (see Figure 8). It is recommended to disable the
output until the proper value in the DAC input register is written
to the device.
To change the DAC voltage or current output level, write the
appropriate hexadecimal code to the DAC input register and
click Apply Changes. Click SW LDAC to issue a software
LDAC command or pull the LDAC pin low to update the DAC
output register with the values in the DAC input register. To
enable the DAC output, select the OUT_EN (Enable VI_OUT)
check box and click Apply Changes. The programmed voltage
or current then reflects on the VI
Figure 10. AD5413 DAC Config Register Pop-Up Menu
AD5413
AD5413 data sheet.
pin.
OUT
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EVAL-AD5413SDZ

UPDATING DIAGNOSTIC RESULTS

The AD5413 has a digital diagnostic results register and an analog
diagnostic results register that contain error flags for the on-
chip digital and analog diagnostic features. Write 1 to the
respective error flags to update the error flag status.
To update the digital and analog diagnostic result registers, click
Update and Readback (see Figure 11 and Figure 12). The
Update and Readback button initiates a write of 1 to the
selected check boxes and then reads back the updated diagnostic
result. Figure 11 shows the digital diagnostic results register.
Figure 12 shows the analog diagnostic results register.
Figure 11.
Figure 12.

EXAMPLE SEQUENCES

There are four example sequences available. Click the Example
Sequences button on the bottom left of the block diagram (see
Figure 8) and the window shown in Figure 13 opens. To enable
either of the sequences, click the relevant sequence button. The
sequence runs immediately and the output changes accordingly.
To return to the main window, click Back to AD5413.
Evaluation Board User Guide
AD5413 Digital Diagnostic Results Register
AD5413 Analog Diagnostic Results Register