Phytec phyBoard Wega AM335x, Инструкция по применению

Страница: 68 / 130

phyBOARD-Wega AM335x [PB-00802-xxx]
52 ©
PHYTEC Messtechnik GmbH 2014 L-792e_1
Ensure that all module connections are not to exceed their expressed
maximum voltage or current. Maximum signal input values are indicated in
the corresponding controller User's Manual/Data Sheets. As damage from
improper connections varies according to use and application, it is the
user‘s responsibility to take appropriate safety measures to ensure that the
module connections are protected from overloading through connected
peripherals.
3.1.2 LEDs
The phyBOARD-Wega is populated with three LEDs to indicate the status of the USB VBUS
voltages, as well as of the power supply voltage.
Figure 2 shows the location of the LEDs. Their function is listed in the table below:
LED Color Description
See
Section
D7 green Indicates presence of VBUS1 at the USB host interface 3.2.4
D8 green Indicates presence of VBUS0 at the USB OTG interface 3.2.4
D58 red 3.3 V voltage generation of the phyBOARD-Wega
3.2.1.2
Table
3
: phyBOARD-Wega LEDs Descriptions
3.1.3 Switches
The phyBOARD-Wega is populated with two switches, one to reset the phyBOARD-Wega and
another to configure the boot sequence.
Figure 2 shows the location of the switches. Their function is listed in the table below:
Switch Description
See
Section
S2 Reset Button 3.2.9
S4 Boot Switch 3.2.8
Table 4: phyBOARD-Wega Switches Description