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PROCESSOR-SDK-AM69A: How to read CPU temperature

Part Number: PROCESSOR-SDK-AM69A
Other Parts Discussed in Thread: AM69A

Tool/software:

According to this URL: software-dl.ti.com/.../VTM.html
I can run this command "cat /sys/class/thermal/thermal_zone*/temp" to obtain the temperature readings of all sensors.
The result looks like this:

root@am69-sk:~# cat /sys/class/thermal/thermal_zone*/temp
46795
47697
45890
47472
47246
47246
49266
root@am69-sk:~# cat /sys/class/thermal/thermal_zone*/type
wkup0-thermal
wkup1-thermal
main0-thermal
main1-thermal
main2-thermal
main3-thermal
main4-thermal

I see 7 temperatures. Which one is the CPU temperature? Also, what do "wkup-thermal" and "main-thermal" represent?