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    <title>topic FS26 Read Register problem after Write Register event in Power Management</title>
    <link>https://community.nxp.com/t5/Power-Management/FS26-Read-Register-problem-after-Write-Register-event/m-p/1832943#M3382</link>
    <description>&lt;P&gt;Dear Mr. and Mrs,&lt;/P&gt;&lt;P&gt;I run as following source code during INITFS state of FS26.&amp;nbsp;&lt;/P&gt;&lt;P&gt;Sbc_fs26_ReadRegister (&lt;SPAN&gt;true&lt;/SPAN&gt;, SBC_FS26_FS_WDW_DURATION_ADDR, &amp;amp;RxData_WDW_DURATION);&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Sbc_fs26_WriteRegister&amp;nbsp;&lt;/SPAN&gt;(&lt;SPAN&gt;true&lt;/SPAN&gt;, SBC_FS26_FS_WDW_DURATION_ADDR, 0x0080, NULL);&lt;/P&gt;&lt;P&gt;Sbc_fs26_ReadRegister (&lt;SPAN&gt;true&lt;/SPAN&gt;, SBC_FS26_FS_WDW_DURATION_ADDR, &amp;amp;RxData_WDW_DURATION);&lt;/P&gt;&lt;P&gt;During reading watchdog timer duration register of FS26, I took 0x308B response as data. After that I would like to write 0x0080 to watchdog timer duration register. After writing, I took same response 0x308B. That's okey. But after I would like to read watchdog timer register again. But during this time, I couldn't see that read function is executed again. During this process it is not possible to debug on IDE. Do you have any suggestion. I put 4ms delay after read and write register function. I couldnt any signal for read fs26 register after execution write register function. Do you have any advice?&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="20Sidar04_0-1711024398225.png" style="width: 400px;"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/269782i608826347E079968/image-size/medium?v=v2&amp;amp;px=400" role="button" title="20Sidar04_0-1711024398225.png" alt="20Sidar04_0-1711024398225.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;Regards,&lt;/P&gt;&lt;P&gt;Sidar.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Thu, 21 Mar 2024 12:37:18 GMT</pubDate>
    <dc:creator>20Sidar04</dc:creator>
    <dc:date>2024-03-21T12:37:18Z</dc:date>
    <item>
      <title>FS26 Read Register problem after Write Register event</title>
      <link>https://community.nxp.com/t5/Power-Management/FS26-Read-Register-problem-after-Write-Register-event/m-p/1832943#M3382</link>
      <description>&lt;P&gt;Dear Mr. and Mrs,&lt;/P&gt;&lt;P&gt;I run as following source code during INITFS state of FS26.&amp;nbsp;&lt;/P&gt;&lt;P&gt;Sbc_fs26_ReadRegister (&lt;SPAN&gt;true&lt;/SPAN&gt;, SBC_FS26_FS_WDW_DURATION_ADDR, &amp;amp;RxData_WDW_DURATION);&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Sbc_fs26_WriteRegister&amp;nbsp;&lt;/SPAN&gt;(&lt;SPAN&gt;true&lt;/SPAN&gt;, SBC_FS26_FS_WDW_DURATION_ADDR, 0x0080, NULL);&lt;/P&gt;&lt;P&gt;Sbc_fs26_ReadRegister (&lt;SPAN&gt;true&lt;/SPAN&gt;, SBC_FS26_FS_WDW_DURATION_ADDR, &amp;amp;RxData_WDW_DURATION);&lt;/P&gt;&lt;P&gt;During reading watchdog timer duration register of FS26, I took 0x308B response as data. After that I would like to write 0x0080 to watchdog timer duration register. After writing, I took same response 0x308B. That's okey. But after I would like to read watchdog timer register again. But during this time, I couldn't see that read function is executed again. During this process it is not possible to debug on IDE. Do you have any suggestion. I put 4ms delay after read and write register function. I couldnt any signal for read fs26 register after execution write register function. Do you have any advice?&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="20Sidar04_0-1711024398225.png" style="width: 400px;"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/269782i608826347E079968/image-size/medium?v=v2&amp;amp;px=400" role="button" title="20Sidar04_0-1711024398225.png" alt="20Sidar04_0-1711024398225.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;Regards,&lt;/P&gt;&lt;P&gt;Sidar.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Thu, 21 Mar 2024 12:37:18 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Power-Management/FS26-Read-Register-problem-after-Write-Register-event/m-p/1832943#M3382</guid>
      <dc:creator>20Sidar04</dc:creator>
      <dc:date>2024-03-21T12:37:18Z</dc:date>
    </item>
    <item>
      <title>Re: FS26 Read Register problem after Write Register event</title>
      <link>https://community.nxp.com/t5/Power-Management/FS26-Read-Register-problem-after-Write-Register-event/m-p/1833578#M3383</link>
      <description>&lt;P&gt;Hello Sidar,&lt;/P&gt;
&lt;P&gt;Please follow the recommendation from the datasheet.&lt;/P&gt;
&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Capture.JPG" style="width: 757px;"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/269931i4C660D80174A358F/image-size/large?v=v2&amp;amp;px=999" role="button" title="Capture.JPG" alt="Capture.JPG" /&gt;&lt;/span&gt;&lt;/P&gt;
&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Capture 1.JPG" style="width: 735px;"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/269932iB82CD7ACF5AA3FF5/image-size/large?v=v2&amp;amp;px=999" role="button" title="Capture 1.JPG" alt="Capture 1.JPG" /&gt;&lt;/span&gt;&lt;/P&gt;
&lt;P&gt;I hope it helps.&lt;/P&gt;
&lt;P&gt;BR, Tomas&lt;/P&gt;</description>
      <pubDate>Fri, 22 Mar 2024 08:38:27 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Power-Management/FS26-Read-Register-problem-after-Write-Register-event/m-p/1833578#M3383</guid>
      <dc:creator>TomasVaverka</dc:creator>
      <dc:date>2024-03-22T08:38:27Z</dc:date>
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