Texas Instruments AFE4490 Evaluation Module AFE4490SPO2EVM AFE4490SPO2EVM Benutzerhandbuch
Produktcode
AFE4490SPO2EVM
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
for AFE4490 and
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)
(c) Rx convert 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)
21
SLAU480C – January 2013 – Revised May 2014
AFE4400 and AFE4490 Development Guide
Copyright © 2013–2014, Texas Instruments Incorporated