MT-D21E
User Guide
July 11, 2016
1
http://www.mattairtech.com/
Page 1: ...MT D21E User Guide July 11 2016 1 http www mattairtech com...
Page 2: ...19 Detailed Memory Usage Output After Compilation 20 Installation 21 Driver Installation 21 SAMD Core Installation 22 New PinDescription Table 22 Possible Future Additions 24 ChangeLog 24 SAM BA USB...
Page 3: ...MT D21E User Guide July 11 2016 3 http www mattairtech com...
Page 4: ...ed is a mini USB connector blue LED 16MHz crystal 32 768KHz crystal and two buttons A USB CDC bootloader Atmel SAM BA can be pre installed for device programming without an external programmer It is c...
Page 5: ...configurable for reset or general use pin A31 with debouncing Two 4 7Kohm resistors can be connected to pins A16 and A17 for use with I2C USB SAM BA CDC bootloader optional Arduino compatible use the...
Page 6: ...compare channels with optional complementary output Generation of synchronized pulse width modulation PWM pattern across port pins Deterministic fault protection fast decay and configurable dead time...
Page 7: ...MT D21E User Guide MT D21E Hardware MT D21E Hardware Top View Pinout July 11 2016 7 http www mattairtech com...
Page 8: ...the board J12 will complete the circuit for a resistor divider consisting of a 200Kohm top and a 20Kohm resistor bottom and J3 connects to Vbus The resistor divider will pull pin A7 to near ground le...
Page 9: ...nts Main Header Pins Signal Pin Description A0 A1 Xin32 Xout32 These can be used for analog or digital functions Alternatively jumpers J16 and J17 can be set to route A0 and A1 to the 32 768KHz crysta...
Page 10: ...e used for digital functions Additionally this pin is connected to the Cortex debug header where it is used as SWD CLK A31 Button B SWD IO This can be used for digital functions Additionally the pin i...
Page 11: ...s disconnected J4 USB D Pin A25 Microcontroller pins A24 and A25 are connected to header pins A24 and A25 By default these pins are also connected to pins D and D of the USB connector through jumpers...
Page 12: ...so used by the Cortex debug header SWD IO The button can be completely disconnected by removing solder from all three pads J16 32 768KHz crystal selection J16 and J17 determine whether microcontroller...
Page 13: ...otes Please read Updated ASCII pinouts to be more readable and less ambiguous Updated the Signed driver for Windows extras directory adds CDC MIDI HID CDC MSD HID and CDC MSD MIDI HID composite USB de...
Page 14: ...KB D21E18A 16 KB D21E17A 8 KB D21E16A 4 KB D21E15A 4 KB EEPROM None emulation may be available in the future None emulation may be available in the future Digital Pins 22 17 Analog Input Pins 10 12 bi...
Page 15: ...at includes HID ie CDC_HID_UART This menu is currently needed to select the USB PID that matches the USB device configuration needed for Windows This may become automatic in a future release Be sure t...
Page 16: ...9 INT9 9 TCC01 9 9 ADC17 A9 A22 22 22 TC40 22 INT6 MISO TX1 10 TCC02 10 10 ADC18 A10 A19 19 19 INT3 SCK RX1 11 TCC03 11 11 ADC19 A11 A18 18 18 INT2 MOSI TX2 14 INT14 14 TC30 14 A14 A17 17 17 TCC21 17...
Page 17: ...ns MT D11 can be configured as PWM outputs Available using the analogWrite function Each pin provides 8 bits of resolution 256 values by default 12 bit resolution supported by using the analogWriteRes...
Page 18: ...KHz crystal is used by the Arduino core so it MUST be connected via the solder jumpers Note that the sketch may still run without the crystal attached but the clock speed will be very inaccurate The 1...
Page 19: ...e open it to restart communication Code Size and RAM Usage 1 6 5 mt2 Sketch and Configuration MT D21E Code RAM MT D11 Code RAM Blink CDC HID UART 7564 1524 7452 1424 Blink CDC UART 6588 1496 6484 1396...
Page 20: ...n Just above the normal flash usage message is the output from the size utility However this output is also incorrect as it shows text data in the text field but 0 in the data field However the text f...
Page 21: ...you do not already have the test firmware installed see Using Bossac Standalone below 7 Press the reset button to run the test firmware blink sketch with CDC HID 8 Windows will detect the board Point...
Page 22: ...1 6 6 mtX 7 Install the MattairTech SAMD Boards package 1 6 6 mtX 8 Close Boards Manager then click Tools Board MattairTech MT D21E or MT D11 9 Select the processor with the now visible Tools Processo...
Page 23: ...ibute This is an 8 bit bitfield used for various peripheral configuration It is primarily used to select between the two peripherals possible with each of the SERCOM and TIMER functions TIMER pins are...
Page 24: ...library Optional use of single on board LED as USB activity LED Replace pulse with timer capture MSC Mass Storage USB Device Class Polyphonic tone Better OS X support Libraries for some hardware I pla...
Page 25: ...will require re selecting the COM port More detailed memory usage at end of compilation see below Merged in upstream updates Fixed Wire interrupt Tested all ADC DAC external interrupts PWM outputs ser...
Page 26: ...om web products bossa It adds support for more SAMD chips both D21 and D11 Note that only the Arduino or Mattairtech versions of bossac are currently supported for SAMD chips Neither the stock bossac...
Page 27: ...n Bootloader Ignore any messages about not supporting shutdown or reset 6 Continue with driver installation above Bootloader Installation Using Another Tool ie Atmel Studio openocd 1 Download the boot...
Page 28: ...irtech 1 x86_64 linux gnu tar bz2 Linux 64 bit https www mattairtech com software arduino bossac 1 5 arduino mattairtech 1 i686 linux gnu tar bz2 Linux 32 bit Use the bossac command from the Arduino S...
Page 29: ...er by pressing button A while powering up the board from USB Or hold button A while pressing and releasing button B if configured as RST Button A must be connected to pin A27 via solder jumper J13 thi...
Page 30: ...executing your firmware This startup code will enable the button A pullup resistor wait 8ms for the debouncing capacitor to charge then test the state of the button If it is not pressed the user firmw...
Page 31: ...MT D21E User Guide Schematic Schematic July 11 2016 31 http www mattairtech com...
Page 32: ...torage Bootloader Without Bootloader The Blink program was pre installed with the following commands ATSAMD21E17A shown atprogram t atmelice i SWD d atsamd21e17a cl 500khz program c verify f c MT_D21E...
Page 33: ...an image with the 32 768KHz connected SAM BA bootloader configuration but I used the wrong image Note that if the 32 768KHz crystal is disconnected the crystal oscillator circuitry may still run at ar...
Page 34: ...GNU Lesser General Public License along with this library if not write to the Free Software Foundation Inc 51 Franklin St Fifth Floor Boston MA 02110 1301 USA Bootloader files Portions of this code a...
Page 35: ...llers This file can be freely distributed within development tools that are supporting such ARM based processors par THIS SOFTWARE IS PROVIDED AS IS NO WARRANTIES WHETHER EXPRESS IMPLIED OR STATUTORY...
Page 36: ...ll rights reserved par ARM Limited ARM is supplying this software for use with Cortex M processor based microcontrollers This file can be freely distributed within development tools that are supportin...
Page 37: ...S IS without any warranties with all faults at the buyer s and further users sole risk The user assumes all responsibility and liability for proper and safe handling of the goods Further the user inde...
Page 38: ...with the higher temperatures of the regulator Note that the PTC fuse is located near the regulator so high temperatures will lower the PTC trip and hold currents CAUTION Normally power is supplied fro...
Page 39: ...23uA quiescent current Optional auto direction sensing level shifter 16MHz and 32 768KHz crystals optional coin cell holder LED boot jumper PDI header button TWI pullups USB DFU bootloader preinstalle...
