PGA900EVM: PGA900

Hi Ihab,

It looks like you tried to include a picture in your post, but it seems to be broken. Can you please reupload your picture?

When  you attempt communicate with the PGA900 are you first placing the internal M0 into reset and activating the digital interfaces? 

This is most easily done using the button on the top left of the GUI. If the digital interface is active, the button will say Digital Interface, but if the microcontroller is running it will say Microcontroller. Select the interface you would like to use (SPI, I2C, or OWI) and click the Microcontroller button to turn on the digital interface.

Regards,

Hi Scott,

I tried to configure the ADCs using the high level configuration and capture its value but I couldn't get any value as shown here

Then I tried to configure using the low level cfg but ADC_EN and PADC_EN are always disabled when I reread the registers 

Hi team

please any update 

Part Number: PGA900

Hello

I have a PGA900EVM evolution board and I am facing some issues with it.

First I am using the board with the PGA900 GUI with the default connected jumper on the board and USB2ANY

But I could not read any value from the sensors (pressure and temperature) .

Best Regards

Hi Ihab,

I have joined your new thread with the previous one. I didn't get a response regarding the digital interface activation in any of your previous posts. Have you placed the microcontroller in reset before attempting to communicate with the part through the digital interface? I can't tell from the screen capture you have shown. Please follow the instructions I listed above for placing the PGA900 in reset mode and activating the digital interfaces before trying to configure the device and read ADC data.

If you have already done that and you are facing the same trouble please let me know.

Regards,

Hi Scott

Yes I already switch to digital interface mode before configuration the device and ADC.

Switching to ADC's configuration tab couldn't be done without putting micro controller in reset

Regards

Hi Scott

Any reply, please ?!

Regards

Hi Ihab,

Since you say that the registers do not seem to take the written values in the low-level configuration page there could be some problem with the digital interface. When you placed the PGA900 in reset, if you read all of the registers in the low-level configuration do you see that MICRO_INTERFACE_CONTROL register is set to 0x03? If the part is not communicating properly I would expect that every register in the low-level configuration page would read as 0x0.

Which interface are you using? SPI, I2C, or OWI? Do you notice the same behavior with the other interfaces? 

Also, can you check that the PGA900 itself is working properly? The first test I would do is to read the voltages at AVDD (should be 3V) and DVDD (should be 1.8V).

REgards,