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AM2431: How to setup MCSPI with multiple devices (CSs) in sysconfig

Part Number: AM2431
Other Parts Discussed in Thread: SYSCONFIG

We are using sysconfig 1.17 and I'm trying to add a MCSPI port to talk to 2 devices.

I see in the datasheet there are pins that can be used for CS0, CS1, CS2 & CS3

In sysconfig, you can define a CS pin under the MCSPI Channel Configuration, but it won't let you add any more (it says Instance limit has been reached.

Is there a way to add more CS pins to the SPI configuration?