EVAL-AD5755-1SDZ Ver la hoja de datos (PDF) - Analog Devices

Número de pieza

componentes Descripción

Fabricante

EVAL-AD5755-1SDZ

Evaluation Board User Guide

Analog Devices 

Evaluation Board User Guide

SOFTWARE REGISTER

Click the Software Register tab shown in Figure 15 to access

this feature. From this tab, you can set the user toggle bit that is

contained in the status register and perform a software reset.

This tab contains a feature for using the watchdog timer. By

entering a value for Delay (ms), the evaluation software

attempts to send the SPI code required to the software register

(0x195) in approximately the time specified. Note that, because

the latency of the USB connection is not strictly defined, this

time delay is only a rough estimate but can be far exceeded. It is

recommended to use the 100 ms or 200 ms watchdog timeouts

when using this feature.

This tab also contains the option to latch the ALERT pin display

in the evaluation software. See the Control of Digital Pins

section for more information on the ALERT pin.

UG-244

PEC

Click the PEC tab shown in Figure 15 to access this feature.

Click the Use PEC button to enable the automatic PEC feature

of the device: an 8-bit PEC code is appended to the end of every

write sequence and is read at the end of every read sequence.

The data and PEC written are displayed in this tab; if a PEC

error occurs, the FAULT pin lights up. During a read operation,

the data received from the device and the PEC code received are

displayed in this tab.

STATUS READBACK

When STATREAD is enabled (see Figure 14), the status register

is displayed in the Status Readback tab shown in Figure 15.

Note that the status register readback on a write operation

reports any errors present immediately before the current write

command.

Rev. B | Page 9 of 16

Share Link: