User's Manual l STK-MBa53 UM 100 l © 2013 TQ-Group
Page 49
4.3
4.3
4.3
4.3
Diagnostic and user interfaces
Diagnostic and user interfaces
Diagnostic and user interfaces
Diagnostic and user interfaces
4.3.1
Diagnostic LEDs
The STK-MBa53 provides 12 Diagnostic LEDs to signal some conditions.
Table 69:
Diagnostic LEDs
Function
Reference
Colour
Signal
Power supply
V32
Green
12 V Power LED (shines, when 12 V supply is active)
V33
Green
5 V Power LED (shines, when 5 V supply is active)
V34
Green
3.3 V Power LED (shines, when 3.3 V supply is active)
V35
Orange
Global-Reset/Power-Good (shines when the TQMa53 is not in reset
and if low active signal GLBRST# is not active)
USB
V28
Green
VBUS USB host 1 (shines, when VBUS of USB host 1 is active)
V29
Green
VBUS USB host 2 (shines, when VBUS of USB host 2 is active)
V30
Green
VBUS USB host 3 (shines, when VBUS of USB host 3 is active)
V31
Green
VBUS USB OTG (shines, when VBUS of USB OTG is active)
Ethernet
(LEDs in the RJ45 connector)
X10
Green
Link activity Ethernet 2 (shines with valid link, blinks with transfer)
X10
Yellow
Speed Indicator Ethernet 2 (shines with 100 Mbit/s transfer rate,
does not shine with 10 Mbit/s transfer rate)
X11
Green
Link activity Ethernet 1 (shines with valid link, blinks with transfer)
X11
Yellow
Speed Indicator Ethernet 1 (shines with 100 Mbit/s transfer rate,
does not shine with 10 Mbit/s transfer rate)
Table 70:
Diagnostic LEDs
Manufacturer / number
Description
Osram / LGR971-KN-1 OSM
•
SMD LED green
•
Radiation angle: 160°
•
Wavelength: 570 nm
•
–30 °C to +85 °C
•
Optical efficiency: 2.5 lm/W
Osram / LOR971 OSM
•
SMD LED orange
•
Radiation angle: 160°
•
Wavelength: 605 nm
•
–30 °C to +85 °C
•
Optical efficiency: 1.5 lm/W
Illustration 43: Position of LEDs power supply (V32 – V35)
