CPU_42A-V1
CPU Board XMC4200 Actuator
Hardware Description
Board User's Manual
10
Revision 1.0, 2013-02-19
Figure 3
Powering Options
To indicate the power status of the CPU_42A-V1 board three power indication
LED’s are provided on board
(see Figure 3).
The LED will be “ON” when
the corresponding power rail is powered.
Table 1
P
ower status LED’s
LED Reference Power Rail
Voltage
Note
V401
VDD5
5 V
Must always
be “ON”
V402
VDD5USB
5 V
“ON” if powered by USB
connector X203
“OFF” in all other supply cases
V403
VDD3.3
3.3 V
Must always be “ON”
Figure 4
Block Diagram Of Power Supply
Power.emf
USB
Debug USB
IFX1763
3.3V linear
LDO Voltage
Regulator
Power
indicating
LEDs
PowerScale
Probe
CPU Board XMC4200 Actuator
CPU_42A-V1
ACT Sat.
Connector
Debug
USB
Lin. Voltage
Regulator
IFX1763
VDDP
U401
JP300
U300
Power
LED
VD
D
5
VBAT
XMC4200
QFN48
BATTERY
VDD3.3
On Board Devices
VDD3.3
Power_Block.emf
USB
Power
LED
Power
LED
VDD5USB +5V
VDD5 +5V
VDD3.3 +3.3V
