M I K R O E L E K T R O N I K A S O F T W A R E A N D H A R D W A R E S O L U T I O N S F O R T H E E M B E D D E D W O R L D
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dsPICPRO
USB
3
dsPICPRO3 User
’
s Manual
MikroElektronika
Development tools
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As a power supply source, user can select either a regulated supply from USB cable
(default) or an external non-regulated power supply.
In case of USB power supply, system should be connected to PC using USB programming
cable and jumper J10 should be set in the right-hand position.
In case of external power supply, dsPICPRO3 board pr5V using LM7805 voltage
regulator. External power supply can be AC or DC, with voltage between 8V and 16 V and
jumper J10 should be set in the left-hand position. You can see power connectors:USB (left)
and external (right) in Fig.7 .
POWER SUPPLY
Figure 8.
Power supply select jumper
GND
Vin
Vout
VCC
CON2
DB1
B250C1500
+
E1
470uF
C11
100nF
E2
10uF
C3
100nF
1
2
VCC
D-
D+
GND
5V
5V
USB
FP1
1
2
3
External Power Supply
USB Power Supply
EXT
EXT
USB
USB
REG1
7805
J10
Figure 9.
J10 is set to USB power supply
J10 in the left-hand
position: system will
take power from
external AC/DC
power adapter.
J10 in the right-hand
position: system will
take power from
USB cable.
USB and power supply connectors
Figure 7.
EXT
USB
USB
connector
USB
connector
External power
supply connector
POWER SUPPLY
SELECTABLE
POWER SUPPLY
SELECTABLE
