MIKROE-1385 mikroElektronika, MIKROE-1385 Datasheet - Page 20

• 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

VCC-5V
page 20
P2
10K
VCC-5V
IMPORTANT:
R32
56
to perfectly and firmly fit into place.
Make sure to turn off the power supply before placing LCD onto
the board. Otherwise your display can be permanently damaged.
designed plastic display distancer, which allows the LCD module
Q5
BC846
through CN8 display connector. Board is fitted with uniquely
matrix. Communication with the display module is done
Figure 10-2: 2x16 LCD
connection schematic
R37
4K7
consisted of 16 character fields. Each field is a 7x5 pixel
CN8
LCD SOCKET
LCDs in 4-bit mode. This type of display has two rows
VCC-BRD
necessary interface for supporting 2x16 character
fields. EasyAVR
custom characters in the predefined number of
R36
1K
LCDs can be used to represent standard and
end user of some electronic device. Character
popular way of representing information to the
Liquid Crystal Displays or LCDs are cheap and
LCD 2x16 characters
™
v7 provides the connector and the
BCK LIGHT
BCK PWM
Standard and PWM-driven back-light
We have allowed LCD back-light to be enabled in two different
ways:
1. It can be turned on with full brightness using SW3.1 switch.
2. Brightness level can be determined with PWM signal from the
IMPORTANT:
microcontroller, allowing you to write custom back-light controlling
software. This back-light mode is enabled with SW3.2 switch.
DATA BUS
SW3
VCC-5V
In order to use PWM back-light both SW3.1 and SW3.2 switches must
be enabled at the same time.
PD5
Figure 10-1: On-board LCD 2x16 display connector
Connector pinout explained
GND and VCC
Vo
RS
E
R/W
always connected to GND, leaving the display in Write mode all
the time.
D0–D3
the data byte interface is connected to GND.
D4–D7
LED+
LED-
- Display Enable line
- LCD contrast level from potentiometer P2
- Register Select Signal line
- Determines whether display is in Read or Write mode. It’s
- Connection with the back-light LED cathode
- Connection with the back-light LED anode
- Upper half of the data byte
- Display is supported in 4-bit data mode, so lower half of
- Display power supply lines
EasyAVR
v7