CEB-V850ES/FJ3·SJ3 Evaluation Board HardwareUser’s Manual
5
3.3.1 Power supply
(1) Power supply part
Although premised fundamental on use in +12V input from the attached AC/DC adaptor, it is possible to
also make it operate by the power supply supply from a USB port.
Notes: As for the USB port, power supply supply capability is restricted to 500mA by specification. When
you operate this board in a USB port, please use consumption current by 500mA or less. moreover, since
+5V are supplied from a USB port, A LIN-I/F function cannot be used.
A block diagram is shown below.
Power Supply
+12 V IN
5 / 3.3
reg
C - POW
USB
miniB
VBUS
+5 V
RFJ
RSJ
Max 500 mA
12 / 5
reg
+12 V
+ 12 V
LIN - 0
LIN - 1
Peripheral IO device
Expansion connectors
+ 5 V
C -POW
CPU
CPU Peripheral
( Pull -up resistance
）
Figure 3.3.1(1)
