I was looking at the schematics of the T3.6 and the T4.0 and was wondering if someone can help me learn a little bit about them. On both of them I see dots at certain points on the schematic.
The T3.6 has them on the wiring for both of the usb data lines as well as two at the boot loader chip on pins 14 & 16.
The T4.0 has even more spots with these dots.
I have attached the schematics with circles around the dots I'm asking about. Do these dots me that they are supposed to be connected to each other? I'm just trying to learn how these boards work. The main reason why I'm asking is I was trying to figure out how the T4.0 powers up as the mcu controls the enable pin on the voltage regulator, but I don't see any pins on the mcu connected to the 5v from the usb other than the usb vbus.
The T3.6 has them on the wiring for both of the usb data lines as well as two at the boot loader chip on pins 14 & 16.
The T4.0 has even more spots with these dots.
I have attached the schematics with circles around the dots I'm asking about. Do these dots me that they are supposed to be connected to each other? I'm just trying to learn how these boards work. The main reason why I'm asking is I was trying to figure out how the T4.0 powers up as the mcu controls the enable pin on the voltage regulator, but I don't see any pins on the mcu connected to the 5v from the usb other than the usb vbus.