SPI Wrong data

Sairam bhatraju · Post by **Sairam bhatraju** » Mon May 20, 2019 12:22 pm

Hi,
I am very new to Picoscope and Finding errors with SPI Monitoring.
I am transferring Data from CAN Module which having SPI interface(MCP 2515)...

I tapped the CLOCK,MISO,MOSI and CS with external probes.i am getting some wrong data.

bennog · Post by **bennog** » Tue May 21, 2019 6:08 am

did you connect the ground clips from the probes to th -5V / GND.

Benno

Sairam bhatraju · Post by **Sairam bhatraju** » Tue May 21, 2019 11:25 am

Connections: Probe A conencted to Data and Ground and Probe B Connected to clock and ground.

Post by **Martyn** » Wed May 22, 2019 6:00 am

Are you sure that you are measuring the correct signals, they are very low level ?

Please post a picture of your setup, and the psdata file you have captured.

bennog · Post by **bennog** » Wed May 22, 2019 8:09 am

And if possible post a photo how you connected your probes to the SPI bus.

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