Atmel ATSAMD21BLDC24V-STK User manual
SMART ARM-based Motor Control Kit
ATSAMD21BLDC24V-STK
USER GUIDE
Atmel-42681A-SMART-ARM-based-Motor-Control-Kit_User Guide-02/2016
Table of Contents
1. Atmel Low Voltage Motor Control Starter Kit............................................................. 3
1.1. ATSAMD21BLDC24V-STK Features............................................................................................3
1.2. ATSAMD21BLDC24V-STK Kit Content........................................................................................ 4
1.3. Design Documentation and Relevant Links................................................................................. 5
2. Getting Started with ATSAMD21BLDC24V-STK....................................................... 6
3. ATSAMD21BLDC24V-STK Hardware..................................................................... 12
3.1. ATSAMD21BLDC24V-STK MCU Board..................................................................................... 12
3.2. ATSAMD21BLDC24V-STK Driver Board....................................................................................13
3.3. ATSAMD21BLDC24V-STK MCU-driver Interface...................................................................... 23
4. Hardware Revision History and Known Issues........................................................26
4.1. Identifying Product ID and Revision........................................................................................... 26
4.2. Revision......................................................................................................................................26
5. Product Compliance................................................................................................ 27
6. Revision History.......................................................................................................28
Atmel ATSAMD21BLDC24V-STK [USER GUIDE]
Atmel-42681A-SMART-ARM-based-Motor-Control-Kit_User Guide-02/2016
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1. Atmel Low Voltage Motor Control Starter Kit
The Atmel® ATSAMD21BLDC24V-STK is a low voltage BLDC, PMSM motor control starter kit. The kit
contains a driver board hardware with half-bridge power MOSFET drivers, current and voltage sensing
circuit, Hall and Encoder interface, fault protection circuits, etc. The ATSAMD21MOTOR MCU card is
plugged into the driver board and has an on-board debugger. Supported by the Atmel studio integrated
development platform, the kit provides easy access to the features of ATSAMD21J18A MCU and explains
how to integrate the device in a custom motor control application. Pluggable MCU cards are available
from Atmel, supporting other SMART ARM® MCUs.
1.1. ATSAMD21BLDC24V-STK Features
ATSAMD21BLDC24V-STK has the following features:
•Pluggable MCU card interface
•Debug support using on-board Atmel EDBG device
•Three half-bridge MOSFET driver
•Motor BEMF sensing
•Motor individual phase current sensing
•DC-bus voltage sensing
Atmel ATSAMD21BLDC24V-STK [USER GUIDE]
Atmel-42681A-SMART-ARM-based-Motor-Control-Kit_User Guide-02/2016
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•Hall sensor interface
•Encoder sensor interface
•Over-current protection support
•Over-voltage protection at 30VDC
•5V and 3.3V MCU card support
•Selectable MCU supply voltage
•Reverse power supply voltage protection
•Atmel Xplained Pro compatible header interface
•On board Temperature sensor
•On board serial flash
•LED fault indications
•Atmel studio plug-and-use support using unique ID device
1.2. ATSAMD21BLDC24V-STK Kit Content
ATSAMD21BLDC24V-STK Kit contains the PCBs, BLDC motor, power adaptor and USB cable to get
started and running the motor in the kit.
The kit contains the following items:
1. AT24VBLDC driver board.
2. ATSAMD21MOTOR MCU card.
3. LDO brush-less DC motor (LDO: 42BL02402-0026B-002).
4. Fully assembled chassis plate.
5. 24V, 4A AC adapter (EDAC: EA11011E-240).
6. Micro-USB cable.
Figure 1-1. ATSAMD21BLDC24V-STK Kit Content
Atmel ATSAMD21BLDC24V-STK [USER GUIDE]
Atmel-42681A-SMART-ARM-based-Motor-Control-Kit_User Guide-02/2016
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1.3. Design Documentation and Relevant Links
The following list contains links to the most relevant documents and software for ATSAMD21BLDC24V-
STK:
•Xplained Pro products - Atmel Xplained Pro is a series of small-sized and easy-to-use evaluation
kits for Atmel microcontrollers and other Atmel products. It consists of a series of low-cost MCU
boards for evaluation and demonstration of features and capabilities of different MCU families.
•ATSAMD21BLDC24V-STK User Guide - PDF version of this User Guide.
•ATSAMD21BLDC24V-STK Design Documentation - Package containing schematics, BOM,
assembly drawings, 3D plots, layer plots, etc.
•Atmel Studio - Free Atmel IDE for development of C/C++ and assembler code for Atmel
microcontrollers.
•EDBG User Guide - User guide containing more information about the on-board Embedded
Debugger.
•Atmel Data Visualizer - Atmel Data Visualizer is a program used for processing and visualizing
data. Data Visualizer can receive data from various sources such as the Embedded Debugger Data
Gateway Interface found on Xplained Pro boards and COM ports.
•ATSAMD21BLDC24V-STK - Product page.
•ATSAMD21J18A - MCU datasheet.
Atmel ATSAMD21BLDC24V-STK [USER GUIDE]
Atmel-42681A-SMART-ARM-based-Motor-Control-Kit_User Guide-02/2016
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2. Getting Started with ATSAMD21BLDC24V-STK
This chapetr is a step-by-step guide to get started with the SAMD21BLDC24V-STK.
1. SAMD21BLDC24V-STK kit contains a fully assembled chassis and 24VDC power adaptor.
2. Connect the power adaptor to the “SUPPLY-IN connector”. Connect white color cable to + PIN.
Figure 2-1. Kit with Power and USB Ports Connected
3. Switch ON the power adaptor.
4. Connect the Micro-USB cable to the “EDBG-USB connector” and PC USB port.
5. The power LED indications on the MCU board are now ON.
6. Open "Data Visualizer".
7. In the "Data Visualizer Connect Window" Choose the kit from the DGI control panel's drop down
list.
Atmel ATSAMD21BLDC24V-STK [USER GUIDE]
Atmel-42681A-SMART-ARM-based-Motor-Control-Kit_User Guide-02/2016
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Figure 2-2. Data Visualizer Connect Window
8. Click "Connect". The orange LED in the MCU board shall now blink.
9. The Data Visualizer default window will pop up once the connection is made. All the fields shall
show default values.
Atmel ATSAMD21BLDC24V-STK [USER GUIDE]
Atmel-42681A-SMART-ARM-based-Motor-Control-Kit_User Guide-02/2016
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Figure 2-3. Data Visualizer Start Window
10. Click on "Start" to turn the motor ON with default values.
Atmel ATSAMD21BLDC24V-STK [USER GUIDE]
Atmel-42681A-SMART-ARM-based-Motor-Control-Kit_User Guide-02/2016
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Figure 2-4. Data Visualizer "Start Motor" Window
11. Change the value in a field and press "Enter". For instance, to change the motor speed, type in the
desired speed within the motor's rating and press "Enter".
Atmel ATSAMD21BLDC24V-STK [USER GUIDE]
Atmel-42681A-SMART-ARM-based-Motor-Control-Kit_User Guide-02/2016
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Figure 2-5. Data Visualizer "Change Parameter"
12. Stop the Motor by clicking the "Stop" button.
13. To change direction of rotation after "Stop", choose "CCW" in radio button and click "Start".
Atmel ATSAMD21BLDC24V-STK [USER GUIDE]
Atmel-42681A-SMART-ARM-based-Motor-Control-Kit_User Guide-02/2016
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