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Running the Software

Figure 27. AFE4400: Device Configuration: Rx Stage

4.1.1.4 Timing Controls Subtab

The Timing Controls subtab under the Device Configuration tab, shown in Figure 28 for AFE4490 and

Figure 29 for AFE4400, consists of the following settings:

1. Enter the Pulse Repetition Frequency (PRF) and Duty Cycle % and click the SET button to

automatically set the following:

(a) LED1 (IR) and LED2 (Red) ON and OFF time,

(b) Rx sample start and end time for 4 channels (LED1, LED1 Ambient, LED2, LED2 Ambient)

2. Save the timing settings based on PRF and duty cycle to a configuration file

3. Load the timing settings based on PRF and duty cycle from a configuration file

4. Timer Enable selector

5. Timer Counter RESET button

6. Set Number of Averages (available for AFE4490 device only)

SLAU480C–January 2013–Revised May 2014 AFE4400 and AFE4490 Development Guide

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