MIKROE-798 mikroElektronika, MIKROE-798 Datasheet - Page 17

• 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

UART via USB
Enabling USB-UART
In order to enable USB-UART
communication, you must set J3
and J4 jumpers in the USB-UART
position, and enable desired RX
and TX lines via SW1 and SW2 DIP
switches. For example, if you want
to enable USB-UART connection
on UART1 module of the default
PIC18F45K22 chip, you should
enable SW1.1 (RC7) and SW2.1
(RC6) lines.
RX-232
RX-FTDI
TX-232
TX-FTDI
DATA BUS
J3
J4
RX
TX
SW1
SW2
Modern PC computers, laptops and notebooks are
no longer equipped with RS-232 connectors and
UART controllers. They are nowadays replaced with
USB connectors and USB controllers. Still, certain technology
enables UART communication to be done via USB connection.
FT232RL from FTDI® convert UART signals to the appropriate USB
standard. In order to use USB-UART module on EasyPIC
and microcontroller UART module. To establish this connection,
you must put J3 and J4 jumpers in the USB-UART
position, and connect RX and TX lines to the
appropriate pins of the microcontroller.
This connection is done using DIP
switches SW1 and SW2.
RC7
RB2
RB1
RB4
RA3
RB5
RC5
RD7
RC6
RB5
RB2
RB1
RA2
RB7
RC4
RD6
All rights reserved. Mikroelektronika, Mikroelektronika logo and other
Mikroelektronika trademarks are the property of Mikroelektronika.
All other trademarks are the property of their respective owners.
Unauthorized copying, hiring, renting, public performance
and broadcasting of this DVD prohibited.
Copyright ©2011 Mikroelektronika.
www.mikroe.com
19122011
first install FTDI drivers on your computer. Drivers can be
a FT232RL controller, USB connector (CN32),
found on
USB-UART communication is being done through
RX-FTDI
TX-FTDI
DVD://download/eng/software/development-tools/
universal/ftdi/vcp_drivers.zip
VCC-MCU
Figure 7-1: USB-UART connection schematic
Product
10
11
12
13
14
1
2
3
4
5
6
7
8
9
U2
FT232RL
TXD
DTR#
RTS#
VCCIO
RXD
RI#
GND
NC
DSR#
DCD#
CTS#
CBUS4
CBUS2
CBUS3
DVD:
FT232RL
RESET#
3V3OUT
USBDM
USBDP
CBUS0
CBUS1
OSCO
AGND
OSCI
TEST
GND
GND
VCC
NC
28
27
26
25
24
23
22
21
20
19
18
17
16
15
™
VCC-5V
v7, you must
RX-LED
TX-LED
VCC-MCU
C32
100nF
RX
R8
2K2
VCC-MCU
TX
R9
4K7
R78
4K7
R79
10K
VCC
D-
D+
GND
VCC-MCU
1
2
3
4
CN32
USB B
C34
100nF
VCC-5V
C50
100nF
VCC-5V
E12
10uF
page 17