Analog Devices EVAL-AD5423SDZ User Manual page 8

UG-1554
Figure
Label Function
Lx GUI access on several registers. Pop-ups, dropdown menus, and hexadecimal textboxes are available in the GUI to configure
several registers of the AD5423. To write the changes to the device, click Apply Changes. The functions within the GUI that
control various registers are described in Table 4.
M The Calibration Memory Refresh button initiates a write to the key register to perform a calibration memory refresh.
N The SW LDAC button initiates a write to the key register to perform a software LDAC command.
O The NOP Command button initiates a write to Address 0x00 for a no operation (NOP) command.
P The Configure ADC button writes the data selected in the ADC Config menu to the ADC configuration register.
Q Two Stage Readback Select menu. A two-stage readback is initiated through the two-stage readback select register. Click
Readback to initiate a write to the two-stage readback select register and issue a no operation command.
R DIGITAL DIAGNOSTIC RESULTS menu. Click Update and Readback Digital Diagnostic Result to trigger a write 1 to clear
operation on the selected checkboxes and a readback from the digital diagnostic result register.
S ANALOG DIAGNOSTIC RESULTS menu. Click Update and Readback Analog Diagnostic Result to trigger a write 1 to clear
operation on the selected checkboxes and a readback from the analog diagnostic result register.
T When the HART_EN checkbox is selected, the HART_EN bit = 1 in the General-Purpose Configuration 1 register.
U
Click Proceed to Memory Map to open the
V
Click Example Sequences to open the example sequences window (see Figure 13).
Table 4. Register Controls Accessible via the GUI (See Label Lx in Table 3 and in Figure 7)
Figure
Label Function
L1 Diagnostic Configuration. Click this button to activate the associated pop-up menu.
L2 GP Config. When this button is clicked, a pop-up menu appears to configure the general-purpose configuration registers.
L3 Key register menu. When this menu is clicked, a dropdown menu appears to configure the key register.
L4
Fault Pin Config. When this button is clicked, a pop-up menu appears to configure the general-purpose configuration registers.
L5 WDT Config. When this button is clicked, a pop-up menu appears to configure the general-purpose configuration registers.
L6 Frequency Monitor menu. This menu displays the value in the frequency monitor when read.
L7 Clear Code menu. Use the textbox in this menu to insert a clear code value in hexadecimal format.
L8 User Gain menu. Use the textbox in this menu to insert a user gain value in hexadecimal format.
L9
User Offset menu. Use the textbox in this menu to insert a user offset value in hexadecimal format.
L10 DAC Input Reg menu. Use the textbox in this menu to insert the DAC value in hexadecimal format.
L11 16 Bit DAC. When this button is clicked, a pop-up menu appears to configure the general-purpose configuration registers.
L12 DAC Output Reg. This menu displays the hexadecimal value currently set in the DAC output register.
L13
Status Register. This menu displays the contents of the status register.
L14
ADC Config. This menu contains a combination of dropdown menus and a textbox in which to enter the sequence data.
EVAL-AD5423SDZ
AD5423 memory map (see Figure 8).
Rev. 0 | Page 8 of 19
Evaluation Board User Guide