MIKROE-798 mikroElektronika, MIKROE-798 Datasheet - Page 6

• Manufacturer Part Number: MIKROE-798
• Description: Development Boards & Kits - PIC / DSPIC EASYPIC v7 DEVELOPMENT SYSTEM
• Manufacturer: mikroElektronika

Specifications of MIKROE-798

• Rohs: yes
• Product: Development Boards
• Tool Is For Evaluation Of: PIC18F45K22
• Core: PIC
• Interface Type: RS-232, USB
• Operating Supply Voltage: 5 V
• Description/function: Development board only, touch screen, pencil, DS1820, LCD, serial cable, GLCD not included
• Dimensions: 266 mm x 220 mm

page 6
3-1). Power LED (Green ON) will indicate the presence of power supply.
external adapter or USB power source you can turn on power supply by using SWITCH 1 (Figure
VCC-USB
whether you are using 5V or 3.3V power supply. Upon providing the power using either
J6
220uF/35V LESR
jumper J6 to specify which power source you are using and jumper J5 to specify
VCC-SW
VCC-5V
VCC-5V
E2
adapter voltage levels must be in range of 9-32V DC or 7-23V AC. Use
10uF
E4
L2
VCC-5V
MBRS140T3
connector (CN31) or additional screw terminals (CN30). External
5V SWITCHING POWER SUPPLY
E6
220uF/35V LESR
220uH
D1
3.3V VOLTAGE REGULATOR
C14
100nF
power supply (CN2), using external adapters via adapter
can be powered in three different ways: with USB
1
3
C8
220pF
MC33269DT3.3
REG1
GND
Vin
Figure 3-2: Dual power supply unit schematic
creates VCC-3.3V power supply. The board
1
2
3
4
Vout
Dual power supply
U3
MC34063A
Board contains switching power supply
SWC
SWE
CT
GND
VCC-5V, and MC33269DT3.3 which
2
that creates stable voltage and
MC34063A, which generates
current
DRVC
CMPR
powering each part of the
board. Power supply section
contains two power regulators:
VIN
IPK
E7
10uF
8
7
6
5
VCC-3.3
levels
VCC-SW
R65
0.22
R34
3K
R35
1K
VCC-EXT
necessary
VCC-5V
220uF/35V LESR
E1
VCC-BRD
J5
VCC-5V
for
R66
2K2
LD37
D13
1N4007
D14
1N4007
VCC-3.3
Figure 3-1: Dual power supply unit of EasyPIC
D12
1N4007
D15
1N4007
VCC-USB
L4
FERRITE
C19
100nF
CN31
VCC
GND
1
2
3
4
CN2
USB
CN30
™
v7