ST STEVAL-LLL011V1 User manual

STEVAL-LLL011V1 Quick Start
Guide
12 Channel LED driver evaluation board based on LED1202 (for STM32
Nucleo64)
Version 1.2 (Feb 02, 2021)

Hardware overview 2
STEVAL-LLL011V1 Hardware Description
•The STEVAL-LLL011V1 contains 4 LED1202 ICs and 16
RGB LEDs. It can work in standalone mode or together with
the STSW-LED1202GUI PC SW by the onboard USB
connector. Two user buttons allow to interact with the board
by implementing user scripts. Additionally, an external Li-
ION battery can be connected to the board (see the slide 4).
•The PWR button is used to switch on/off:
•A short press to switch the board on
•A long press to switch the board off
•User scripts can be developed and uploaded on the board,
using the SW GUI. Then, the scripts are launched by
pressing the DEMO button. Each time the DEMO button is
pressed, the next script is executed.

Configuration Setup 3
Close this side of JP1
by soldering. Be sure to
have the other side
opened.
JP2 is for GYRO IRQ line
selection.
Connect 5V Power Supply to J3.
Polarity indication is on the
bottom side of the board.
1 2
SWDIO
SWCLK
VDD
RST
GND
GND
VCC
GND
GND
GND
GND
GND
GND
GND
ST-LINK Connection for FW Programming
JTAG CONNECTOR
NAME NUMBER
VCC 1,2
SWDIO 7
SWCLK 9
RST 15
GND 2..20 Even Pins

Battery Option
•The STEVAL can be supplied by using an external Li-ION
battery. Charge current is configured in order to charge a
320mAh battery in about 80 minutes: D2 LED lights when
charging.
4
Close this side of JP1 by
soldering. Be sure to have
the other side opened.
Connect a small Li-ION
battery here.

STSW-LED1202GUI
•The STEVAL-LLL011V1 comes
with a SW PC that gives the user
a total access to the 4 LED drivers
functionalities. For details about
the use of the SW GUI, please
refers to the SW user manual
(UM2747).
5

STEVAL –GUI communication
•Once the STEVAL is supplied:
•Connect the USB cable.
•Press the Power Button (SW4) : the PWR LED lights up (D1).
•If the USB cable has been connected for the first time, please wait that OS
registers and enumerates the new HW, as Virtual COM port.
•Launch the SW GUI.
6
The GUI title will show the SW version, together with
the connection status of the STEVAL board.

STEVAL-LLL011V1 user scripts 7
Instructions on how to develop and
upload the scripts are reported on the
SW user manual (UM2747).
Once uploaded, the scripts are
launched by pressing the SW2 button.
The STEVAL-LLL011V1 can be programmed in order to launch small
user scripts. These scripts are developed inside the SW GUI and then
uploaded on the STEVAL.

Revision History 8
Rev Date Description
1.0 12/07/2019 First Release
1.1 22/10/2019 First Review
1.2 02/12/2021 Added details on board startup