MIKROE Clicker 2 Battery Powered STM32 Development Board Instructions

Clicker 2 Battery Powered STM32 Development Board

A compact starter kit with your favourite micro controller and two mikroBUS ™ sockets

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The primary aim of our company is to design and produce high quality electronic products and to constantly improve the performance thereof in order to better suit your needs.

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General Manager

Introduction to clicker 2 for dsPIC33

clicker 2 for dsPIC33 is a compact development kit with two mikroBUS ™ sockets for click board ™ connectivity. You can use it to quickly build your own gadgets with unique functionalities and features. It carries the dsPIC33EP512MU810, a 16-bit microcontroller, two indication LEDs, two general purpose buttons, a reset button, an ON/OFF switch, a li-polymer battery connector, a micro USB connector and two mikroBUS ™ sockets. A mikroProg connector and a 2×26 pinout for interfacing with external electronics are also provided. The mikroBUS ™ connector consists of two 1×8 female headers with SPI, I 2C, UART, RST, PWM, Analog and Interrupt lines as well as 3.3V, 5V and GND power lines. clicker 2 for dsPIC33 board can be powered over a USB cable.

Key features

1. ON/OFF switch
2. 8 MHz crystal oscillator
3. two 1×26 connection pads
4. mikroBUS ™ sockets 1 and 2
5. Pushbuttons
6. Additional LEDs
7. LTC3586 USB power manager IC
8. Power and Charge indication LEDs
9. RESET button
10. Micro USB connector
11. dsPIC33EP512MU810 MCU
12. Li-Polymer battery connector
13. mikroProg programmer connector
14. 32.768 KHz crystal oscillator

Power supply

USB
power supply
You can supply power to the board with a micro USB cable provided in the package. On-board voltage regulators provide the appropriate voltage levels to each component on the board. Power LED (GREEN) will indicate the presence of power supply.

Battery power supply
You can also power the board using a Li-Polymer battery, via onboard battery connector. On-board battery charger circuit enables you to charge the battery over USB connection. LED diode (RED) will indicate when battery is charging. Charging current is ~300mA and charging voltage is 4.2V DC.t

NOTE
Some click boards need more current than the USB connection can supply. For 3.3V clicks, the upper limit is 750 mA; for 5V clicks, it’s 500 mA. In those cases you would need to use the battery as the power supply, or the vsys pin on the side of the board.

dsPIC33EP512MU810 microcontroller

The clicker 2 for dsPIC33 development tool comes with the dsPIC33EP512MU810 device. This 16-bit low power high performance microcontroller is rich with on-chip peripherals and features 512 KB of program memory and 53,248 bytes of RAM. It has integrated full speed USB 2.0. support.

Key MCU features

• CPU speed: 70 MIPS
• 3568 Bytes Data SRAM
• Architecture: 16-bit
• Program memory: 512KB
• Pin count: 100
• RAM memory: 53,248 KB

Programming the microcontroller

The microcontroller can be programmed in two ways:

• Using USB HID mikroBootloader,
• Using external mikroProg for dsPIC33 programmer

3.1 Programming with mikroBootloader

You can program the microcontroller with a bootloader which is preprogrammed by default. To transfer .hex file from a PC to MCU you need bootloader software (mikroBootloader USB HID) which can be downloaded from:
https://download.mikroe.com/examples/starter- boards/clicker-2/dspic33/clicker-2-dspic33-usb-hid-bootloader.zip
After the mikroBootloader software is downloaded, unzip it to desired location and start it.

step 1 – Connecting clicker 2 for dsPIC33

1. To start, connect the USB cable, or if already connected press the Reset button on your clicker 2 for dsPIC33. Click the Connect button within 5s to enter the bootloader mode, otherwise existing microcontroller program will execute.

step 2 – Browsing for .HEX file

1. Click the Browse for HEX button and from a pop-up window (Figure 3.4) choose the .HEX file which will be uploaded to MCU memory.

step 3 – Selecting .HEX file

1. Select .HEX file using open dialog window.
2. Click the Open button.

step 4 – Uploading .HEX file

1. To start .HEX file bootloading click the Begin uploading button.

2. Progress bar enables you to monitor .HEX file uploading.

step 5 – Finish upload

1. Click OK button after the uploading process is finished.
2. Press Reset button on clicker 2 for dsPIC33 board and wait for 5 seconds. Your program will run automatically.

3.2 Programming with mikroProg programmer

The microcontroller can be programmed with external mikroProg  for PIC programmer and mikroProg Suite  for PIC software.  The external programmer is connected to the development system via 1×5 connector Figure 3-9. mikroProg is a fast USB 2.0 programmer with hardware debugger support. It supports PIC10®, dsPIC30/33®, PIC24® and PIC32® devices in a single programmer. It supports over 570 microcontrollers from Microchip®. Outstanding performance, easy operation and elegant design are its key features.

mikroProg Suite for dsPIC® software

mikroProg programmer requires special programming software called mikroProg Suite for dsPIC ® . This software is used for programming of ALL Microchip ® microcontroller families, including PIC10 ® , PIC12 ® , PIC16 ® , PIC18 ® , dsPIC30/33 ® , PIC24 ® and PIC32 ® . Software has intuitive interface and SingleClick ™ programming technology. Just by downloading the latest version of mikroProg Suite your programmer is ready to program new devices. mikroProg Suite is updated regularly, at least four times a year, so your programmer will be more and more powerful with each new release.

Buttons and LEDs

The board also contains a 01 reset button and a pair of 02 buttons and 03 LEDs, as well as an ON/OFF switch. The RESET button is used to manually reset the microcontroller— it generates a low voltage level on the microcontroller’s reset pin. LEDs can be used for visual indication of the logic state on two pins (RA0 and RG9). An active LED indicates that a logic high (1) is present on the pin. Pressing any of the two buttons can change the logic state of the microcontroller pins (T2 and T3) from logic high (1) to logic low (0).

Power management and battery charger

clicker 2 for dsPIC33 features LTC®3586-2, a highly integrated power management and battery charger IC that includes a current limited switching PowerPath manager. LTC®3586 also enables battery charging over a USB connection.

Oscillators

Board is equipped with 8MHz crystal oscillator (X1) circuit that provides external clock waveform to the microcontroller OSC1 and OSC2 pins. This base frequency is suitable for further clock multipliers and ideal for generation of necessary USB clock, which ensures proper operation of bootloader and your custom USB-based applications. And the 32. TK MHz oscillator (X2), a Real-Time Clock and Calendar (RTCC) module.

USB connection

dsPIC33 microcontrollers has an integrated USB module, which enables you to implement USB communication functionality to your clicker 2 board. Connection with target USB host is done over a micro USB connector which is positioned next to the battery connector.

Pinout

8.1 mikroBUS™ pinouts

click boards™ are plug and play!

Up to now, MikroElektronika has released more than 300 mikroBUS™ compatible click boards™. On the average, three click boards are released per week. It is our intention to provide you with as many add-on boards as possible, so you will be able to expand your development board with additional functionality. Each board comes with
a set of working example code. Please visit the click boards™ webpage for the complete list of currently available boards: https://shop.mikroe.com/click

Dimensions

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