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MSP430FR2311: How to use SPI and Transimpedance Amplifier at same time as two funtion using same I/O

LeoChen
Intellectual 510 points
Part Number: MSP430FR2311

My customer is designing a smoke detector project with MSP430FR2311PW16, need to use 1 channel SPI, but MSP430FR2311PW16 two channels SPI is used by Transimpedance Amplifier funtion, question is how to use SPI meanwhile?(Pic from MSP430FR2311 Microcontroller IR Reflection Sensing Schematic)

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