MIKROE-1385 mikroElektronika, MIKROE-1385 Datasheet - Page 19

• Manufacturer Part Number: MIKROE-1385
• Description: Development Boards & Kits - AVR EASY AVR V7 DEVELOPMENT SYSTEM
• Manufacturer: mikroElektronika

Specifications of MIKROE-1385

• Rohs: yes
• Product: Development Boards
• Tool Is For Evaluation Of: ATMEGA32 Devices
• Core: AVR
• Interface Type: mikroBUS socket, RS-232, USB
• Operating Supply Voltage: 3.3 V, 5 V
• Data Bus Width: 8 bit
• Dimensions: 266 mm x 220 mm
• For Use With: MIKROE-240, MIKROE-55

Headers Buttons
With enhanced connectivity as one of the key features
of EasyAVR v7, we have provided three connection
headers for each PORT. I/O PORT group contains two
male IDC10 headers (like CN9 and CN10 on Figure
9-3). These headers are all compatible with over 70
mikroElektronika accessory boards, and enable simple
connection. There is one more IDC10 header available
on the left side of the board, next to the section with
displays. I/O PORT group also contains 1x10 connection
pad (like CN11 on Figure 9-3) which can be used for
connecting mikroElektronika PROTO boards, or custom
user boards.
Figure 9-4: IDC10 male headers enable easy
connection with mikroElektronika accessory boards
EasyAVR
v7
Reset Button
is available for selecting which logic state will be applied
to corresponding MCU pin when button is pressed, for
each I/O port separately. If you, for example, place SW1.2
in VCC position, then pressing any of push buttons in
PORTB I/O group will apply logic one to the appropriate
microcontroller pin. The same goes for GND. If DIP switch
is in the middle position neither of two logic states will
be applied to the appropriate microcontroller pin. You
can disable pin protection 220ohm resistors by placing
jumpers J1 and J2, which will connect your push buttons
directly to VCC or GND. Be aware that doing so you may
accidentally damage MCU in case of wrong usage.
In the far upper right section of the
board, there is a RESET button, which
can be used to manually reset the
microcontroller.
Figure 9-5: Button press
level DIP switch (tri-state)
buttons. Tri-state
DIP switch
The logic state of
all microcontroller
digital
may be changed
using
inputs
push
SW1
LEDs
current value specified by the manufacturer. The current
varies from 0.2mA to 20mA, depending on the type of the
LED and the manufacturer.. The EasyAVR
low-current LEDs with typical current consumption of
0.2mA or 0.3mA, depending of VCC voltage selection.
Board contains 35 LEDs
which can be used for
visual indication of the
logic state on PORT pins.
An active LED indicates
that a logic high (1) is
present on the pin. In order
to enable PORT LEDs, it
is necessary to enable
the
switches on SW10 (Figure
9-6).
Microcontroller
corresponding
PA0
PA1
PA2
PA3
through the LED
limiting current
SMD resistor
DIP
Figure 9-6: SW10.5
through SW10.8
switches are used to
enable PORT LEDs
LED (Light-Emitting
Diode) is a highly
efficient
light source. When
connecting LEDs, it
is necessary to place
a
resistor
so that LEDs are
provided with the
current
™
v7 board uses
in
electronic
page 19
limiting
series