phyCORE-OMAP44xx
Part II: PCM-959/phyCORE-OMAP44xx Carrier Board
L-760e_1 © PHYTEC Messtechnik GmbH 2012
87
2.1.2.3 LEDs
The phyCORE-OMAP44xx Carrier Board is populated with numerous LEDs to indicate the status of the various
USB-Host interfaces, as well as the different supply voltages.
shows the location of the LEDs.
Their function is listed in the table below:
LED
Color
Description
See Chapter
D5
green
Hi-Speed indicator LED for USB hub's upstream
port connection speed
D10
red
Active/Suspend status LED of the USB hub at U7
D19
green
Downstream port 3 (USB3) green led
D20
green
Downstream port 2 (USB2) green led
D21
green
Downstream port 1 (USB1) green led
D22
green
Downstream port 4 (USB4) green led
D23
yellow
Downstream port 1 (USB1) amber led
D27
green
Indicates presence of VBUS at the USB OTG
interface
D14
green
VCC_1V8 - 1.8 V supply voltage
D15
green
VCC_1V2 - 1.2 V supply voltage for the DSI2LVDS
Bridge Chip
D16
green
VCC_3V3 - 3.3 V supply voltage for the phyCORE-
OMAP44xx and various peripherals on the
phyCORE-OMAP44xx Carrier Board
D17
green
VCC_5V - 5 V supply voltage
D18
green
Indicates presence of 12 V for POE
D38
green
User LED 1
D39
yellow
User LED 2
D40
yellow
User LED 3
D41
red
User LED 4
Table 40:
phyCORE-OMAP44xx Carrier Board LEDs Descriptions
Note:
Detailed descriptions of the assembled connectors, jumpers and switches can be found in the following
chapters.