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AFE4490 - How to use two RX-LEDs ?

Other Parts Discussed in Thread: AFE4490, MSP430F5529

Hallo,

i am using the AFE4490 Evalboard and i want to use two sensors with the IC.

I want to apply one Sensor on the Left hand and one on the Right hand.

The Tx IR Leds works fine but the problem is what do i do with the RX Sensors?

I know the IC is supose to use only one Receiver Sensor but i am trying two reduce costs here.

I was thinking on a muliplexer to switch between the RX Sensors. The AFE4490 gives the 4MHz Clock on the MSP430F5529 MCU

but how do i know when the Timer is on the LED1, AMB1 and on the LED2, AMB2?

How can i get this information from the AFE4490 Timer Module so the MCU switch the Multiplexer?

The PINs ADC_RDY is not right on time for that,  the SPI could read the Registers but that also take some time.