Part Number: DS90UB947-Q1
Dear friend
can you provide Initialization example code to me?
Hi Ian,
I will email it to you.
- Fadi A.
Dear
when i perform digital reset, will lost i2c communication to 947 chip. I guss it relate to I2C_VSEL. In my board, the strap of I2CSEL is 1.8V. After digital reset, the I2C_VSEL changed to 3.3V. So how to solve it ?
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BR
Hi Ian,
So after the 947 soft reset you're getting I2C Nacks and you're not able to communicate with the Serializer at all?
Can you provide the I2C waveform of the I2C transaction/NACK? Do you have access to a Logic Analyzer to capture this behavior?
Have you tried overriding the I2C_VSEL value back to 1.8V after the reset?
Regards,
Fadi A.
after the 947 soft reset i getting I2C Nacks and i not able to communicate with the Serializer at all
<?xml version="1.0" encoding="UTF-8"?>
<settings>
<global>
<version>3.6.0</version>
<devModel>8</devModel>
<oscCursorEna/>
<lgcMeasure/>
<chnShowIndex>15,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14</chnShowIndex>
<chnShowMultip/>
<chnShowName0/>
<chnShowName1/>
<chnShowName2/>
<chnShowName3/>
<chnShowName4/>
<chnShowName5/>
<chnShowName6/>
<chnShowName7/>
<chnShowName8/>
<chnShowName9/>
<chnShowName10/>
<chnShowName11/>
<chnShowName12/>
<chnShowName13/>
<chnShowName14/>
<chnShowName15/>
</global>
<devices>
<LA5016>
<trgPosition/>
<chnTrig>3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0</chnTrig>
<chnEnable>1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0</chnEnable>
<smpMode>1</smpMode>
<smpDepth>5000</smpDepth>
<smpDepthIndex>4</smpDepthIndex>
<smpFrequ>5000</smpFrequ>
<smpFrequIndex>6</smpFrequIndex>
<chnLevel>1.2V CMOS</chnLevel>
<chnVth>0.60</chnVth>
</LA5016>
</devices>
<analyzers>
<item0>
<fileName>I2C.dll</fileName>
<parameters>I2CAnalyzer,1,0,0,0,0,</parameters>
<format>2</format>
</item0>
</analyzers>
</settings>
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