USB UART Click Manual Datasheet by Microchip Technology

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m Inns-noun. "m mmummanm . m“ 9 Wm ah mm 9% Wm E C 1. Introduction
1. Introduction
Once you have soldered the headers your
board is ready to be placed into desired
mikroBUS socket. Make sure to align the
cut in the lower-right part of the board
with the markings on the silkscreen at
the mikroBUS socket. If all of the pins are
aligned correctly, push the board all
the way into the socket.
3. Plugging the board in
2 3
2. Soldering the headers
1
4. Essential features
Turn the board upward again. Make sure
to align the headers so that they are
perpendicular to the board, then solder the
pins carefully.
Turn the board upside down so that
bottom side is facing you upwards. Place
shorter parts of the header pins in both
soldering pad locations.
USB UART click
Before using your click board, make sure
to solder 1x8 male headers to both left
and right side of the board. Two 1x8 male
headers are included with the board in
the package.
click
BOARD
www.mikroe.com
USB UART click Manual
ver. 1.01
0 100000 021231
USB UART Click with it’s FT232RL IC
gives additional serial UART communication
via USB cable. The FT232RL contains
integrated 1024 bit EEPROM, 128 bytes
long receive buffer, 256 bytes long transmit
buffer, configurable CBUS I/0 pins and entire
USB protocol handled on the chip. The board
contains RX and TX LED diodes that indicate
the transmit and receive data via USB.
USB UART Click is an accessory board in
mikroBUS form factor. It’s a compact
and easy solution for adding serial UART
communication via USB cable. It features
FT232RL USB-to-UART interface module
as well as USB MINI B connector. USB UART
Click communicates with target board via
UART interface. The board is designed to
use 3.3V or 5V I/O level. It has a LED diode
(GREEN) that indicates the presence of
power supply.
HEW VLIBSTUEK; i Mikrolleklronilla DEVELOPMENTTOOLS | COMP‘LERS | BOOKS
8. Support
MikroElektronika offers Free Tech Support
(www.mikroe.com/esupport) until the
end of product lifetime, so if something goes
wrong, we are ready and willing to help!
7. Code Examples
.com
Once you have done all the necessary
preparations, it’s time to get your click
board up and running. We have provided
the examples for mikroC, mikroBasic and
mikroPascal compilers on our Libstock
website. Just download them and you are
ready to start.
5. USB UART Click Board Schematic
VCC3V3
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15
16
17
18
19
20
21
22
23
24
25
26
27
28
TXD
DTR#
RTS#
VCCIO
RXD
RI#
GND
NC
DSR#
DCD#
CTS#
CBUS4
CBUS2
CBUS3
CBUS0
CBUS1
OSCO
OSCI
TEST
AGND
NC
GND
GND
VCC
RESET#
3V3OUT
USBDM
USBDP
FT232RL
U1
FT232RL
VCCIO
VCC5
C3
100nF
LD1 LD2
RX-LED
TX-LED
R2
4K7
R1
2K2
VCCIOVCCIO
R3
1K
R4
2K2
C1
100nF
C2
100nF
RXD
TXD
D_N
D_P
RX TX
VCC5
CTS
RTS
RXD
TXD
CTS RTS
E1
10uF
VCC5VCC3V3
C5
2.2uF
C4
2.2uF
1
2
3
IN
GND
OUT5
4
EN ADJ
U2
AP7331-ADJ
R5
287K
R7
39K
R6
2K2
VCCIO
J1
LD3
POWER
VCC5
VCC5
VCC3V3
VCCIO
CBUS4
CBUS4
CBUS3
CBUS3
FP1
FERRITE
C6
100nF
1
2
3
4
5GND
ID
D+
D-
VBUS
CN2
USB MINIB
D1
PMEG3010ER
D2
PMEG3010ER
RST/EN
RST/EN
AN
RST
CS
SCK
MOSI
MISO
+3.3V
GND
PWM
INT
RX
TX
SCL
SDA
+5V
GND
MIKROBUS DEVICE CONN.
MikroElektronika assumes no responsibility or liability for any errors or inaccuracies that may appear in the present document.
Specification and information contained in the present schematic are subject to change at any time without notice. Copyright © 2012 MikroElektronika. All rights reserved.
6. SMD Jumper
There is one zero-ohm SMD jumper J1 which
is used to select whether 3.3V or 5V I/O level
is used. Jumper J1 is soldered in 3.3V position
by default.

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