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SAM D10
SAM D10 Xplained Mini
USER GUIDE
Introduction
®
This user guide describes how to get started with the Atmel ATSAMD10
Xplained Mini board. The ATSAMD10 Xplained Mini evaluation kit is a
hardware platform to evaluate the Atmel ATSAMD10 microcontroller. The
evaluation kit comes with a fully integrated debugger that provides seamless
integration with Atmel Studio 6.2 (and later version). The kit provides access
to the features of the ATSAMD10 enabling easy integration of the device in a
custom design.
Atmel-42387B-SAMD10_Xplained_User_Guide_User Guide-05/2015
Table of Contents
Introduction......................................................................................................................1
1. Getting Started...........................................................................................................3
1.1.
1.2.
1.3.
1.4.
1.5.
1.6.
Features....................................................................................................................................... 3
Design Documentation and Related Links................................................................................... 3
Xplained Mini Quick Start............................................................................................................. 3
1.3.1.
Connect to Atmel Studio................................................................................................ 3
1.3.2.
Connect to the COM Port.............................................................................................. 4
Programming and Debugging...................................................................................................... 4
1.4.1.
Programming the Target Using mEDBG........................................................................4
1.4.2.
Debugging the Target Using mEDBG............................................................................ 4
1.4.3.
Programming the Target Using an External Programmer..............................................5
1.4.4.
Programming the ATmega32U4 Using an External Programmer.................................. 5
1.4.5.
Programming the ATmega32U4 Using a Bootloader.....................................................6
Board Assembly........................................................................................................................... 6
1.5.1.
Custom Assembly..........................................................................................................6
1.5.2.
Standalone Node........................................................................................................... 6
1.5.3.
Connecting an Arduino Shield....................................................................................... 6
mEDBG Command Line Interface................................................................................................7
1.6.1.
mEDBG Low Power Modes........................................................................................... 7
1.6.2.
How to Issue Commands...............................................................................................7
2. Hardware User Guide................................................................................................ 9
2.1.
2.2.
Board Overview............................................................................................................................9
Target Headers and Connectors.................................................................................................. 9
2.2.1.
Target Digital I/O............................................................................................................ 9
2.2.2.
Board Power Header................................................................................................... 10
2.2.3.
Target Analogue I/O.....................................................................................................10
2.2.4.
Target SPI Header........................................................................................................11
2.2.5.
Target Programming.....................................................................................................11
2.3.
Target GUI.................................................................................................................................. 11
2.3.1.
Push Button..................................................................................................................11
2.3.2.
User LED..................................................................................................................... 12
2.3.3.
QTouch Button............................................................................................................. 12
On-board Power Supply............................................................................................................. 13
2.4.
2.5.
2.6.
2.7.
mEDBG...................................................................................................................................... 14
2.5.1.
mEDBG Status LED.................................................................................................... 14
2.5.2.
mEDBG External Clock............................................................................................... 14
2.5.3.
mEDBG COM Port Connection................................................................................... 14
2.5.4.
mEDBG JTAG Interface...............................................................................................14
2.5.5.
mEDBG USB Interface................................................................................................ 15
Extension Header Area.............................................................................................................. 15
Factory Programmed..................................................................................................................17
3. Document Revision History..................................................................................... 18
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1.
Getting Started
1.1.
Features
The ATSAMD10 Xplained Mini evaluation board provides a development platform for the Atmel
ATSAMD10.
Key Features
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1.2.
On-board debugger with full source-level debugging support in Atmel Studio
Auto-ID for board identification in Atmel Studio
Access to all signals on target MCU
One green mEDBG status LED
One yellow user LED
One mechanical user push button
QTouch® user area
Virtual COM port (CDC)
8MHz external target clk
USB powered
3.3V regulator
Arduino shield compatible foot prints
Target SPI bus header foot print
Xplained Pro extension headers can easily be strapped in
Design Documentation and Related Links
The most relevant documents and software for the evaluation board are available here:
Design Documentation - A .zip file containing CAD source, 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.
Xplained - Atmel Xplained prototyping and evaluation platform.
Atmel Spaces - Open Source projects for Xplained Mini.
1.3.
Xplained Mini Quick Start
How to connect the ATSAMD10 Xplained Mini board embedded debugger to Atmel Studio and how to
connect the ATSAMD10 UART to a COM port.
1.3.1.
Connect to Atmel Studio
How to connect the ATSAMD10 Xplained Mini board embedded debugger to Atmel Studio to get started
with SW development.
1.
2.
3.
Download and install Atmel Studio version 6.2 or later versions.
Launch Atmel Studio.
Connect the board to the USB port and it will be visible in Atmel Studio.
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1.3.2.
Connect to the COM Port
How to connect the ATSAMD10 UART to a COM port.
All Xplained Mini boards have an embedded debugger (mEBDG) with a number of features, among them
a CDC/COM port, which enables the user to connect the ATSAMD10 UART to the PC.
1.
2.
3.
1.4.
Connect the Xplained Mini USB to the PC.
A COM port named "mEDBG Virtual COM Port" will be available.
Start a terminal emulator or other applications using the COM port, typical COM port settings are
9600 baud N81.
Programming and Debugging
Programming and debugging the ATSAMD10 Xplained Mini.
The target microcontroller is the ATSAMD10.
The mEDBG FW is running on the ATmega32U4.
1.4.1.
Programming the Target Using mEDBG
Using the Embedded Debugger on the ATSAMD10 Xplained Mini board to program the ATSAMD10.
1.
2.
3.
1.4.2.
Connect the Xplained Mini USB to the PC.
Go to Atmel Studio: click the Tools tab, select Device Programming, and select the connected
mEDBG as Tool with Device as ATSAMD10 and Interface to SWD, click Apply.
Select "Memories" and locate the source .hex or .elf file and click Program.
Debugging the Target Using mEDBG
Using the Embedded Debugger on the ATSAMD10 Xplained Mini board to debug the ATSAMD10 via
SWD.
1.
2.
3.
Start Atmel Studio.
Connect the Xplained Mini USB to the PC.
Open your project.
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4.
5.
6.
1.4.3.
Programming the Target Using an External Programmer
How to program the target ATSAMD10 using the Atmel-ICE or other Atmel Programmers.
1.
2.
3.
4.
1.4.4.
Click the "Project" tab and select the project "properties", click the "Tools" tab and select mEDBG
as debugger and SWD as interface.
Click the "Debug" tab and select "Start Debugging and Break".
A debug session is started with a break in main, debugging can start.
Connect the External Programmer USB to the PC.
Connect the External Programmer to the ATSAMD10 Xplained Mini board SWD connector.
Go to Atmel Studio: Click the Tools tab, select Device Programming, and select the External
Programmer connected as Tool with Device as ATSAMD10 and Interface to SWD, click Apply.
Select "Memories" and locate the source .hex or .elf file and click Program.
Programming the ATmega32U4 Using an External Programmer
How to program the ATmega32U4 using the AVR JTAGICE mkII, JTAGICE3, Atmel-ICE, or other Atmel
Programmers.
1.
2.
3.
4.
5.
Connect the External Programmer USB to the PC.
Connect the External Programmer to the ATSAMD10 Xplained Mini board JTAG connector.
Go to Atmel Studio: click the Tools tab, select Device Programming, and select the connected
mEDBG as Tool with Device as ATmega32U4 and Interface to JTAG, click Apply.
Select "Memories" and locate the source .hex or .elf file and click Program.
Select "Fuses" to program the fuses manually. Set the fuse(s) and click "Program". Recommended
fuse settings:
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1.4.5.
Programming the ATmega32U4 Using a Bootloader
This section describes how to use the bootloader to program the ATmega32U4.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
1.5.
Install the Bootloader interface on the PC, download the installer from FLIP.
Start the Bootloader PC GUI "FLIP".
Short strap J102.
Connect the ATSAMD10 Xplained Mini board USB connector to the PC.
Select Device = ATmega32U4 (Device - Select).
Select USB communication (Ctrl+U).
Select memory area to program (use the toggle memory button bellow the Atmel logo).
Select Load Hex file (Ctrl+L).
Select Programming Options.
Click "Run", observe status in status field.
Board Assembly
The Xplained Mini board can easily be assembled into a product prototype for software development and
hardware verification.
1.5.1.
Custom Assembly
All signals of the ATSAMD10 are available in the Xplained Mini board connector grid, enabling easy
connection of external sensors and output devices in order to prototype the customer specific application.
1.5.2.
Standalone Node
The ATSAMD10 Xplained Mini board can be used as a standalone node with an external power source,
e.g. the 4xAAA or 2xAAA battery pack available from Atmel.
1.5.3.
Connecting an Arduino Shield
®
Arduino shields can be mounted in the marked positions (J200, J201, J202, and J203).
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1.6.
mEDBG Command Line Interface
The mEDBG has a command line interface enabling configuration of the mEDBG.
1.6.1.
mEDBG Low Power Modes
There are two modes enabling the Xplained Mini to save power when connected to an external power
source other than an USB connection.
Sleep Mode where the mEDBG is disabled. When enabled the ATmega32U4 will enter sleep mode if not
enumerated within about 5sec. In this mode the external clock is not available to the target MCU.
1MHz Mode where the mEDBG/ATmega32U4 is set to run at 1MHz, saving power while maintaining the
USB connection for the COM port. The external clock will be 1MHz.
Table 1-1 Available Commands
Mode
Command
External CLK
COM port
SWD program
SWD debug
Sleep
0xFB (bit2=0)
disabled
disabled
disabled
disabled
1MHz
0xFD (bit1=0)
1MHz
enabled
useless
useless
8MHz
enabled
enabled
enabled
Factory settings 0xFF
1.6.2.
How to Issue Commands
The command line interface is supported by mEDBG version 1.6 or later.
®
The mEDBG command line interface can be accessed with the Python script found on Atmel Spaces
Releases (mEDBG_script.zip).
If you have Studio 7.0 (and later versions), the mEDBG included supports the command line interface, if
not, the mEDBG can be downloaded from Atmel Spaces Releases (medbg_fw.zip).
Basic Python is required to run the script, Python can be downloaded from Python.
How to Issue Commands
1.
2.
3.
4.
5.
Install Python.
Download the file "mEDBG_script.zip" from Atmel Spaces Releases.
Unzip the file "mEDBG_script.zip".
Edit "stuff.py" to issue the selected command "c.set_suffer(0xXX)".
Open a command window in the directory where "stuff.py" is located. (Browse to the, folder rightclick on folder with shift pressed and select “Open command window here”.)
6. Connect the Xplained Mini.
7. Run "stuff.py" (c:\Python27\python stuff.py).
8. The script will print the selected tool and display SUFFER setting.
9. Recycle power (disconnect/connect the board) for the change to take effect.
10. Edit "stuff.py" to issue the command c.set_suffer(0xFF) to reset to factory setting.
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How to Upgrade the Xplained Mini mEDBG
1.
2.
3.
4.
5.
Start Atmel Studio.
Connect the Xplained Mini to the computer.
In Atmel Studio, select Tools – Device programming (Ctrl – Shift – P).
In the Device Programming window, select Tool to mEDBG and click Apply. If there is a new
mEDBG version available, the Atmel Studio will ask if you want to upgrade.
To verify mEDBG version, click "Tool Information" when mEDBG is selected as Tool.
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2.
2.1.
Hardware User Guide
Board Overview
The ATSAMD10 Xplained Mini headers overview.
2.2.
Target Headers and Connectors
The ATSAMD10 related headers.
2.2.1.
Target Digital I/O
The J200 and J201 headers provide access to the ATSAMD10 digital I/O pins.
Table 2-1 J200 Digital I/O High Byte Header
J200
pin
ATSAMD10 pin
Function
1
NC
D8
2
NC
D9
3
PA23
D10
SS, SPI Bus Master Slave select, SERCOM1 or TCC0/
WO[5]
4
PA22
D11
MOSI, SPI Bus Master Output/Slave Input, SERCOM1 or
TCC0/WO[4]
5
PA24
D12
MISO, SPI Bus Master Input/Slave Output, SERCOM1 or
TCC0/WO[2]
6
PA09
D13
SCK, SPI Bus Master clock Input, SERCOM1, User LED
7
GND
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J200
pin
ATSAMD10 pin
Function
8
PA03
AREF
9
PA14
SDA, 2-wire Serial Bus Data Input/Output Line.
SERCOM2
10
PA15
SCL, 2-wire Serial Bus Clock Line. SERCOM2
Table 2-2 J201 Digital I/O High Low Header
2.2.2.
J201 pin
ATSAMD10 pin
Function
1
PA11
D0
TXD (ATSAMD10 USART Output Pin), SERCOM0
2
PA10
D1
RXD (ATSAMD10 USART Input Pin), SERCOM0
3
PA16
D2
4
PA17
D3
5
PA27
D4
6
PA25
D5
PWM TCC1/WO[5]
7
PA30
D6
PWM TC2/WO[0]
8
PA31
D7
PWM TCC0/WO[7]
Board Power Header
The J202 header enables connection to the ATSAMD10 Xplained Mini power system.
Table 2-3 J202 Power Header
2.2.3.
J202 pin
Signal
Description
1
NC
2
VCC_TARGET
The power source selected for the target. (Select by J301)
3
RESET_SENSE
This is a RESET signal monitored by the mEDBG. If pulled low the
target RESET line will be pulled low by the mEDBG. The ATmega32U4
internal pull-up is enabled. This signal is not available during debugging.
4
VCC_P3V3
The 3.3V regulator output
5
VCC_P5V0
The selected power source. (VIN or VBUS selected by J300)
6
GND
7
GND
8
VCC_VIN
The external power source connection.
Target Analogue I/O
The ATSAMD10 ADC input pins are available in the J203 header.
AREF is available in J200 pin 8.
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Table 2-4 J203 Analogue Header
2.2.4.
J203 pin
ATSAMD10 pin
Function
1
PA02
ADC Input Channel 0
2
PA03
ADC Input Channel 1
3
PA04
ADC Input Channel 2
4
PA05
ADC Input Channel 3
5
PA06
ADC Input Channel 4
6
PA07
ADC Input Channel 5
Target SPI Header
The SPI bus is available in J204, the SPI header.
Table 2-5 SPI Header
J204 pin
1
ATSAMD10 pin
Function
PA24
MISO
2
VCC target
3
PA09
SCK
4
PA22
MOSI
5
PA28
RESET
6
GND
2.2.5.
Target Programming
The J205 SWD header enable direct connection to the SWD bus with an external programmer for
programming of the ATSAMD10.
2.3.
Target GUI
The ATSAMD10 Xplained Mini user GUI consist of one LED, one push button, and a QTouch button.
2.3.1.
Push Button
A general purpose push button, SW200, is connected to PA25.
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2.3.2.
User LED
There is one yellow LED, D200, available for use by the application SW.
The LED is connected to ATSAMD10 PA09/SPI_SCK, also available in the SPI header and the J200
header.
2.3.3.
QTouch Button
There is one QTouch button connected to PA07 (Y[5]) via 100kΩ.
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2.4.
On-board Power Supply
The ATSAMD10 Xplained Mini board has an on-board 3.3V regulator (150mA) which can be used to
power the ATSAMD10.
The J300 and J301 headers configure the ATSAMD10 power supply and the board power source.
The default configuration is set by R300 and R302 0Ω resistors which can be easily removed to change
the default configuration.
Table 2-6 Board Power Options
Mode
J301 connection,
target
J300 connection,
board
Function
VIN/VBUS
pin2 connected to pin1 pin2 connected to pin1 Target powered by VIN, USB interface
remove R302
and 3.3V supply powered by VBUS
3.3V USB
(Default)
pin2 connected to pin3 pin2 connected to pin1 Target powered by 3.3V, USB interface
and 3.3V supply powered by VBUS
VIN
pin2 connected to
pin1, remove R302
3.3V VIN
pin2 connected to pin3 pin2 connected to pin3, Target powered by 3.3V. VIN (J202.8)
remove R300
as 3.3V regulator input. 4V < VIN < 16V
pin2 connected to pin3, Board and target powered by VIN
remove R300
(J202.8), 1.7V < VIN < 3.5V. 3.3V
regulator disabled
Tip: Use the BOD LEVEL fuse to avoid the following challenges:
For the CPU to successfully decode and execute instructions, the supplied voltage must always
stay above the minimum voltage level set by the chosen operating frequency.
When supplied voltage drops below this level, the CPU may start to execute some instructions
incorrectly. The result is unexpected activity on the internal data and control lines.
This activity may cause CPU Registers, I/O Registers, and Data Memories to get corrupted.
To avoid these problems, the CPU should be prevented from executing code during periods of
insufficient supply voltage.
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2.5.
mEDBG
The ATSAMD10 Xplained Mini board has an embedded debugger/programmer enabling debugging and
programming of the ATSAMD10 without any additional external equipment.
2.5.1.
mEDBG Status LED
The mEDBG has a green status LED connected to ATmega32U4 PC6 to signal the embedded debugger
state.
Table 2-7 mEDBG Green Status LED Function
2.5.2.
mEDBG state
LED
Function
Enumeration
ON
During the initial USB connection process the LED is on until enumerated
or if not enumerated it is turned off within about 5 seconds
Programming
ON
The LED is active during programming
Debugging
ON
The LED is active when the debugger is running
mEDBG External Clock
The mEDBG (ATmega32U4) clock out signal (PC7) is connected to the ATSAMD10
XOSC XIN signal (PA08). It can e.g. be used as an accurate clock source for XOSC or XOSC32K. The
External Clock frequency is 8MHz.
Tip: The External Clock can be set to 1MHz to save power using the mEDBG command line
interface.
Tip: There is a test point marked EXT.CLK enabling easy measuring and/or connection to the
CLK signal.
2.5.3.
mEDBG COM Port Connection
The mEDBG provide a CDC COM port connection when connected to a USB host device.
The mEDBG (ATmega32U4) USART is used for communication with the CDC COM port. The USART
TX/RX signals are available on the J104 header and are also connected to the ATSAMD10 via 0Ω
resistors enabling easy disconnect from the ATSAMD10 if needed.
Table 2-8 J104 USART Header
J104 pin
2.5.4.
ATmega32U4
ATSAMD10
Function
1 - USART TxD PD3
PA11/RxD
TxD out from ATmega32U4
2 - USART RxD PD2
PA10/TxD
RxD in to ATmega32U4
mEDBG JTAG Interface
The mEDBG (ATmega32U4) JTAG interface is available for programming and debugging of the
ATmega32U4.
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Table 2-9 J100 JTAG Header
J100 pin Signal name
2.5.5.
1
TCK
2
GND
3
TDO
4
VCC_BOARD
5
TMS
6
RESET
7
NC
8
NC
9
TDI
10
GND
Description
ATmega32U4 VCC
Connected to ATmega32U4 only
mEDBG USB Interface
J101 is a Micro-B USB connector connected to the embedded debugger (ATmega32U4).
Table 2-10 J101 USB Header
J101 pin
Signal name
1
VBUS
2
D-
3
D+
4
NC
5
GND
The VBUS has a resettable PTC fuse (F100), with a hold current of 0.5A and a trip current of 1.0A to
protect the USB host device.
2.6.
Extension Header Area
The marked area on the grid I7 to R8 can be used for strapping in an Xplained Pro extension header or a
10-pin Xplained/RZ600 header.
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The SPI bus signals are made available close to the header at row J and K, enabling easy connection to
header pin 15 to 18.
Using Pin 11 to 20 enables connection of the 10-pin connector used on the RZ600 wireless modules and
the 10-pin Xplained sensor modules.
The general bus connections for an Xplained PRO Extension board is indicated in the table below,
detailed wiring can be found in the selected extension board documentation.
Table 2-11 Extension Header Typical Signals
Pin
Signal name
Signal description
1
ID
Communication line to the ID chip on the Xplained extension board
2
GND
Ground
3
ADC(+)
Analog to digital converter, alternatively positive part of differential ADC
4
ADC(-)
Analog to digital converter, alternatively negative part of differential ADC
5
GPIO1
General purpose I/O
6
GPIO2
General purpose I/O
7
PWM(+)
Pulse width modulation, alternatively positive part of differential PWM
8
PWM(-)
Pulse width modulation, alternatively negative part of differential PWM
9
IRQ/GPIO
Interrupt request line and/or general purpose I/O
10
SPI_SS_B/
GPIO
Slave B select for SPI and/or general purpose I/O
11
I2C_SDA
Data line for I2C interface
12
I2C_SCL
Clock line for I2C interface
13
UART_RX
Receiver line of ATSAMD10 USART
14
UART_TX
Transmitter line of ATSAMD10 USART
15
SPI_SS_A
Slave A select for SPI
16
SPI_MOSI
Master out slave in line of serial peripheral interface
17
SPI_MISO
Master in slave out line of serial peripheral interface
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2.7.
Pin
Signal name
Signal description
18
SPI_SCK
Clock for serial peripheral interface
19
GND
Ground
20
VCC
Power for extension board
Factory Programmed
The ATSAMD10 is preprogrammed with a demo program, ReMorse.
When the CDC COM port is connected to a terminal window (9600 N81), the text you write will be
transmitted via the LED in Morse code. Any Morse code transmitted by using the switch will be displayed
as text in the terminal window.
The ATmega32U4 is preprogrammed with the mEDBG.
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3.
Document Revision History
Table 3-1 Document Revision History
Document revision
Date
Comment
42387B
08/2015
Slightly updated
42387A
02/2015
Initial document release
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update the information contained herein. Unless specifically provided otherwise, Atmel products are not suitable for, and shall not be used in, automotive
applications. Atmel products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life.
SAFETY-CRITICAL, MILITARY, AND AUTOMOTIVE APPLICATIONS DISCLAIMER: Atmel products are not designed for and will not be used in connection with any
applications where the failure of such products would reasonably be expected to result in significant personal injury or death (“Safety-Critical Applications”) without
an Atmel officer's specific written consent. Safety-Critical Applications include, without limitation, life support devices and systems, equipment or systems for the
operation of nuclear facilities and weapons systems. Atmel products are not designed nor intended for use in military or aerospace applications or environments
unless specifically designated by Atmel as military-grade. Atmel products are not designed nor intended for use in automotive applications unless specifically
designated by Atmel as automotive-grade.