Atmel XMEGA A1U Xplained Pro (USER GUIDE)
Contents
1. 18 5 2 REVISION 2 ERR KE ERIS 18 6 Document revision history 19 7 Evaluation board kit important notice 20 Atmel XMEGA A1U Xplained Pro USER GUIDE 2 42211A MCU 01 2014 1 1 1 2 Atmel Introduction Features Atmel ATxmega128A1U microcontroller Embedded debugger EDBG e USB interface Programming and debugging on board XMEGA through PDI e Virtual COM port interface to target via UART e Atmel Data Gateway Interface DGI to target via USART TWI e Four GPIOs connected to target for code instrumentation Digital I O e Two mechanical buttons user and reset button e One user LED e Three extension headers e Xplained Pro LCD extension connector Three possible power sources e External power e Embedded debugger USB e Target USB 32kHz crystal External 512KB SRAM USB interface device mode Kit overview The Atmel XMEGA A1U Xplained Pro evaluation kit is a hardware platform to evaluate the Atmel ATxmega128A1U The kit offers a set of features that enables the ATxmega128A1U user to get started using the XMEGA peripherals right away and to get an understanding of how to integrate the device in their own design Atmel XMEGA A1U Xplained Pro USER GUIDE 3 42211A MCU 01 2014 Figure 1 1 XMEGA A1U Xplained Pro evaluation kit overview CURRENT MEASUREMENT SWO USER BUTTON HEADER RESET BUTTON TARGET U2. USER GUIDE Atmel XMEGA A1U Xplained Pro Preface The Atmel XMEGA A1U Xplained Pro evaluation kit is a hardware platform to evaluate the ATxmega128A1U microcontroller Supported by the Atmel Studio integrated development platform the kit provides easy access to the features of the Atmel ATxmega128A1U and explains how to integrate the device in a custom design The Xplained Pro MCU series evaluation kits include an on board Embedded Debugger and no external tools are necessary to program or debug the ATxmega128A1U The Xplained Pro extension kits offers additional peripherals to extend the features of the board and ease the development of custom designs 42211A MCU 01 2014 Atmel Table of Contents Preface taal alin a opr ta E E EE 1 1 Introd ction senese trate xe rete a n len ee 3 ki e 3 1 2 KIPOVENVIOW uiii 3 2 Getting Started nass ci 5 2 1 Quickestart rere tuor er oru pav Ee DER 5 22 Connecting the Kit haa Penn sinet tasse a 5 2 3 Design documentation and related links 5 3 Xplained Pro 6 3 1 Embedded Deb gger n 6 3 2 Hardware identification system ecce ene 6 2 9
3. 436 4200 www atmel com 2014 Atmel Corporation All rights reserved Rev 42211A MCU 01 2014 Atmel Atmel logo and combinations thereof Enabling Unlimited Possibilities AvR XMEGA maxTouch and others are registered trademarks or trademarks of Atmel Corporation or its subsidiaries Windows is a registered trademark of Microsoft Corporation in U S and or other countries Other terms and product names may be trademarks of others Disclaimer The information in this document is provided in connection with Atmel products No license express or implied by estoppel or otherwise to any intellectual property right is granted by this document or in connection with the sale of Atmel products EXCEPT AS SET FORTH IN THE ATMEL TERMS AND CONDITIONS OF SALES LOCATED ON THE ATMEL WEBSITE ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT INDIRECT CONSEQUENTIAL PUNITIVE SPECIAL OR INCIDENTAL DAMAGES INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS AND PROFITS BUSINESS INTERRUPTION OR LOSS OF INFORMATION ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Atmel makes no representations or warranties with respect to the accuracy or
4. Guide pdf 7 http www atmel com atmelstudio a http www iar com en Products IAR Embedded Workbench AVR d http www atmel com system samplesstore Atmel XMEGA A1U Xplained Pro USER GUIDE 5 Atmel P l 42211A MCU 01 2014 3 1 3 2 Xplained Pro Xplained Pro is an evaluation platform that provides the full Atmel microcontroller experience The platform consists of a series of Microcontroller MCU boards and extension boards that are integrated with Atmel Studio have Atmel Software Framework ASF drivers and demo code support data streaming and more Xplained Pro MCU boards support a wide range of Xplained Pro extension boards that are connected through a set of standardized headers and connectors Each extension board has an identification ID chip to uniquely identify which boards are mounted on a Xplained Pro MCU board This information is used to present relevant user guides application notes datasheets and example code through Atmel Studio Available Xplained Pro MCU and extension boards can be purchased in the Atmel Web Store Embedded Debugger The XMEGA A1U Xplained Pro contains the Atmel Embedded Debugger EDBG for on board debugging The EDBG is a composite USB device of 3 interfaces a debugger Virtual COM Port and Data Gateway Interface DGI In conjunction with Atmel Studio the EDBG debugger interface can program and debug the ATxmega128A1U On the XMEGA A1U Xplained Pro the PDI interface is connected between th
5. 211A MCU 01 2014 Table 4 4 LCD display connector 4 Pin on EXT4 XMEGA pin Function Shared functionality 1 ID Communication line to ID chip on extension board 2 GND GND 3 DO PJO DO SRAM 4 D1 PJ1 D1 SRAM 5 D2 PJ2 D2 SRAM 6 D3 PJ3 D3 SRAM 7 GND 5 GND 8 D4 PJ4 D4 SRAM 9 D5 PJ5 D5 SRAM 10 D6 PJ6 D6 SRAM 11 D7 PJ7 D7 SRAM 12 GND z GND 13 D8 5 E 14 D9 15 010 16 D11 17 GND GND 18 D12 A 19 D13 I 2 20 014 2 7 21 D15 IE 22 GND GND 23 D16 24 D17 z 25 018 26 D19 27 GND GND 28 D20 E x 29 D21 30 D22 E E 31 1023 32 GND 5 2 GND 33 PCLK CMD DATA SEL PJO ALE1 AO SRAM 34 VSYNC CS PH7 EBI CS3 35 HSYNC WE PHO EBI NWE SRAM 36 DATA ENABLE RE PH1 EBI NRD SRAM 37 SPI SCK PC7 SPIC SCK EXT1 EXT2 EXT3 and Alternate signal header 38 SPI MOSI PC5 SPIC MOSI EXT1 EXT2 and EXT3 39 SPI MISO PC6 SPIC MISO EXT1 EXT2 EXT3 and Alternate signal header 40 SPI SS PB1 GPIO Atmel Atmel XMEGA A1U Xplained Pro USER GUIDE 13 42211A MCU 01 2014 4 3 4 4 4 4 1 Pin on EXT4 XMEGA pin Function Shared functionality 41 DISP ENABLE PK5 GPIO EDBG DGI 42 TWI SDA PCO TWIC SDA EXT1 and EDBG 43 TWI SCL PC1 TWIC SCL EXT1 and EDBG 44 IRQ1 PK4 GPIO EDBG DGI 45 IRQ2 PK6 GPIO EDBG DGI 46 PW
6. ION OR EVALUATION PURPOSES ONLY It is not a finished product and may not yet comply with some or any technical or legal requirements that are applicable to finished products including without limitation directives regarding electromagnetic compatibility recycling WEEE FCC CE or UL except as may be otherwise noted on the board kit Atmel supplied this board kit AS 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 indemnifies Atmel from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge and any other technical or legal concerns EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER USER NOR ATMEL SHALL BE LIABLE TO EACH OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES No license is granted under any patent right or other intellectual property right of Atmel covering or relating to any machine process or combination in which such Atmel products or services might be or are used Atmel Atmel XMEGA A1U Xplained Pro USER GUIDE 20 42211A MCU 01 2014 Atmel Enabling Unlimited Possibilities Atmel Corporation 1600 Technology Drive San Jose CA 95110 USA T 1 408 441 0311 1 408
7. M PF5 TCF1 OC1B 47 RESET PA5 GPIO 48 VCC P3V3 49 VCC E P3V3 50 GND GND Other headers In addition to the extension headers on page 11 A1U Xplained Pro has one additional header with spare signals that offers access to the I O of the microcontroller which are otherwise not easily available elsewhere or might be favourable to have collected toghether The header has a pitch of 2 54mm Table 4 5 Alternate signals header Pin on header XMEGA pin Function Shared functionality 1 AREFA EXT1 2 PBO AREFB 3 PB2 DACBO 4 PB3 DACB1 5 PA7 ACAOOUT EXT3 6 PA6 ACA1OUT EXT2 7 PB7 ACBOOUT EXT2 8 PB6 ACB1OUT EXT2 9 PC6 CLOCKOUT src EXT1 EXT2 EXT3 and LCD Connector 10 PC7 CLOCKOUT per EXT1 EXT2 EXT3 and LCD Connector 11 PE7 EVOUT EXT1 12 E E GND Peripherals Crystal The XMEGA A1U Xplained Pro kit contains one crystals that can be used as clock source for the XMEGA device The crystal has a cut strap next to it that can be used to measure the oscillator safety factor This is done by cutting the strap and adding a resistor across the strap More information about oscillator allowance and safety factor can be found in appnote AVR4100 Table 4 6 External 32 768kHz crystals Pin on XMEGA Function PQO XIN32 TOSC1 PQ1 XOUT32 TOSC2 1 http www atmel com images doc8333 pdf Atmel Atmel XMEGA A1U Xplained Pro USER GUIDE 14 42211A MCU 01 2014 4 4 2 Mechani
8. Power Supply isi seti e EP PEN HERR tabula PANI PAESE 7 3 3 1 gt Measuring XMEGA power consumption 7 3 4 Standard headers and 7 3 4 1 Xplained Pro standard extension header 7 3 4 2 Xplained Pro LCD connector 8 343 Xplained Pro power header enr ries 10 4 Hardware user guide cedentes te amis n 1 un uc 11 CNMEMEOIIe T 11 43 1 l O extension headers erret rt pem 11 4 2 LCD extension connector 0 ccc cence teeter bertiti 12 4 3 Other teow scene antes 14 44 Peripherals eee teen EE EEEE 14 14 4 4 2 Mechanical buttons sss 15 EMIL EE 15 BAA USB cc 15 445 sat 15 4 5 Embedded Debugger implementation 16 4 5 1 Program Debug Interface rene 16 4 5 2 Virtual COM nete ite tienes 16 4 5 3 Atmel Data Gateway Interface 16 5 Hardware revision history and known issues 18 5 1 Identifying product ID and revision
9. SB E DEBUG USB USER LEDO HEADER 44 Wii 5 c EXTENSION 1 ATxmega128A1U HEADER 32kHz CRYSTAL ExT2 apa LATCH FOR EXTERNAL dre SRAM EXTENSION 2 RILETEEEEEEEEEETELELT P HEADER LCD CONNECTOR UA SPARE SIGNAL HEADER ALTERNATE SIGNALS EXTENSION 3 HEADER Atmel Atmel XMEGA A1U Xplained Pro USER GUIDE 42211A MCU 01 2014 2 Getting started 2 1 Quick start 3 Steps to start exploring the Atmel Xplained Pro Platform e Download and install Atmel Studio e Launch Atmel Studio e Connect a USB micro B cable to the DEBUG USB port 2 2 Connecting the kit When connecting Atmel XMEGA A1U Xplained Pro to your computer for the first time the operating system will do a driver software installation The driver file supports both 32 bit and 64 bit versions of Microsoft Windows XP and Windows 7 Once connected the green power LED will be lit and Atmel Studio will autodetect which Xplained Pro evaluation and extension kit s that s connected You ll be presented with relevant information like datasheets and kit documentation You also have the option to launch Atmel Software Framework ASF example applications The target device is programmed and debugged by the on board Embedded Debugger and no external programmer or debugger tool is needed Please refer to the Atmel Studio user guide for information regarding how to compile and program the kit 2 3 Design documentation and related links The f
10. XMEGA A1U Xplained Pro USER GUIDE 15 42211A MCU 01 2014 4 5 4 5 1 4 5 2 4 5 3 Pin on XMEGA PJO address 1 A9 address PJ2 ALE2 A10 address PJ3 ALE2 A11 address PJ4 A12 address PJ5 ALE2 A13 address PJ6 ALE2 A14 address PJ7 ALE2 A15 address PH4 A16 address PH5 A17 address PK7 A18 address PH2 ALE1 Address Latch Enable 1 PH3 ALE2 Address Latch Enable 2 PH6 CS PHO WE PH1 RE Embedded Debugger implementation Xplained Pro contains an Embedded Debugger EDBG that can be used to program and debug the ATxmega128A1U using the Program Debug Interface PDI The Embedded Debugger also include a Virtual Com port interface over UART an Atmel Data Gateway Interface over SPI and TWI and it monitors four of the XMEGA GPIOs Atmel Studio can be used as a front end for the Embedded Debugger Program Debug Interface The Program Debug Interface PDI use two pins to communicate with the target For further information on how to use the programming and debugging capabilities of the EDBG see Embedded Debugger on page 6 Table 4 11 PDI connections Pinon XMEGA Function RESET PDI_CLK PDI clock PDI_DATA PDI data Virtual COM port The Embedded Debugger acts as a Virtual Com Port gateway by using one of the ATxmega128A1U UARTS For further information on how to use the Virtual COM port see Embedded Debugger on page 6 Table 4 12 Virt
11. ality 1 ID Communication line to ID chip on extension board 2 GND GND 3 ADC ADCAO GAINPOS Alternate signal header 4 ADC 4 ADCAA GAINNEG 5 GPIO1 PE6 GPIO 6 GPIO2 PE7 GPIO Alternate signal header 7 PWM 1 8 PWM PEO TCCO OCOA 9 IRQ GPIO PRO GPIO 10 SPI SS B GPICO PR1 GPIO 11 TWI SDA PCO TWIC SDA EDBG and LCD Connector 12 TWI_SCL PC1 TWIC SCL EDBG and LCD Connector 13 USART RX PC2 USARTCO RXDO 14 USART TX USARTCO TXDO 15 SPI SS A PC4 SPIC SS 16 SPI_MOSI PC5 SPIC MOSI EXT2 EXT3 and LCD Connector 17 SPI_MISO PC6 SPIC MISO EXT2 EXT3 LCD Connector and Alternate signal header 18 SPI_SCK PC7 SPIC SCK EXT2 EXT3 LCD Connector and Alternate signal header 19 GND GND 20 VCC VCC Table 4 2 Extension header EXT2 Pin on EXT2 XMEGA pin LII INE Shared functionality 1 ID Communication line to ID chip on extension board 2 GND GND 3 ADC PA1 ADCA1 GAINPOS 4 ADC PA6 ADCA6 GAINNEG Alternate signal header 5 GPIO1 PB4 GPIO 6 GPIO2 PB5 GPIO Atmel XMEGA A1U Xplained Pro USER GUIDE 11 42211A MCU 01 2014 Pin on EXT2 XMEGA pin Function Shared functionality 4 2 7 PWM 8 9 IRQ GPIO 10 SPI SS B GPIO 11 TWI SDA 12 TWI SCL 13 USART RX 14 USART TX 15 SPI SS A 16 5 1 MOSI 17 SPI MISO 18 SPI SCK 19 GND 20 VCC Table 4 3 Extension heade
12. cal buttons XMEGA AU Xplained Pro contains two mechanical buttons One button is the RESET button connected to the XMEGA reset line and the other is a generic user configurable button When a button is pressed it will drive the I O line to GND Table 4 7 Mechanical buttons Pin on XMEGA Silkscreen text RESET PDI_CLK RESET PQ2 SWO 4 4 3 LED There is one yellow LED available on the XMEGA A1U Xplained Pro board that can be turned on and off The LED can be activated by driving the connected I O line to GND Table 4 8 LED connections Pin on XMEGA LED PQ3 Yellow LEDO 4 4 4 USB The XMEGA A1U Xplained Pro has a micro USB receptable for use with the XMEGA A1U USB device module To be able to detect when a USB cable is connected a GPIO is used to detect the VBUS voltage on the connector Table 4 9 USB connections PA2 VBUS Detection PD6 USB D PD7 USB D 44 5 SRAM The XMEGA A1U Xplained Pro features a SRAM with latches for configuring the XMEGA in 2 PORT mode In this mode the address byte 0 and 1 is shared with data byte O Table 4 10 SRAM connections PJO DO data D1 data PJ2 D2 data PJ3 D3 data PJ4 D4 data PJ5 D5 data PJ6 D6 data PJ7 D7 data PJO ALE1 AO address PJ1 ALE1 A1 address PJ2 ALE1 A2 address PJ3 ALE1 A3 address PJ4 ALE1 A4 address PJ5 ALE1 A5 address PJ6 ALE1 A6 address PJ7 ALE1 AT address Atmel Atmel
13. completeness of the contents of this document and reserves the right to make changes to specifications and products descriptions at any time without notice Atmel does not make any commitment to 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
14. der mode idle The power LED and the status LED blinks simultaneously Bootloader mode firmware The power LED and the status LED blinks in an alternating pattern upgrade For further documentation on the EDBG see the EDBG User Guide Hardware identification system All Xplained Pro compatible extension boards have an Atmel ATSHA204 CryptoAuthentication chip mounted This chip contains information that identifies the extension with its name and some extra data When an Xplained Pro extension board is connected to an Xplained Pro MCU board the information is read and sent to Atmel Studio The Atmel Kits extension installed with Atmel Studio will give relevant information code examples and links to relevant documents Table 3 2 Xplained Pro ID Chip Content on page 6 shows the data fields stored in the ID chip with example content Table 3 2 Xplained Pro ID Chip Content Manufacturer ASCII string Atmel O Product Name ASCII string Segment LCD1 Xplained Pro 0 Product Revision ASCII string 02 0 Product Serial Number ASCII string 1774020200000010 0 http store atmel com CBC aspx q c 100113 http www atmel com Images Atmel 42096 Microcontrollers Embedded Debugger_User Guide pdf Atmel Atmel XMEGA A1U Xplained Pro USER GUIDE 6 42211A MCU 01 2014 Data Field Data Type Example Content 3 3 Note 3 3 1 Warning 3 4 3 4 1 Atmel Minimum Voltage mV uint16 t 3000 Maximum Voltage mV uint16 t 3600 Max
15. e EDBG and the ATxmega128A1U The Virtual COM Port is connected to a UART port on the ATxmega128A1U see section Embedded Debugger implementation on page 16 for pinout and provides an easy way to communicate with the target application through simple terminal software It offers variable baud rate parity and stop bit settings Note that the settings on the target device UART must match the settings given in the terminal software The DGI consists of several physical data interfaces for communication with the host computer Please see section Embedded Debugger implementation on page 16 for available interfaces and pinout Communication over the interfaces are bidirectional It can be used to send events and values from the ATxmega128A1U or as a generic printf style data channel Traffic over the interfaces can be timestamped on the EDBG for more accurate tracing of events Note that timestamping imposes an overhead that reduces maximal throughput The DGI uses a proprietary protocol and is thus only compatible with Atmel Studio The EDBG controls two LEDs on XMEGA A1U Xplained Pro a power LED and a status LED Table 3 1 EDBG LED control on page 6 shows how the LEDs are controlled in different operation modes Table 3 1 EDBG LED control Operation mode Power LED Status LED Normal operation Power LED is lit when power is Activity indicator LED flashes applied to the board every time something happens on the EDBG Bootloa
16. identifier of Xplained Pro boards can be found in two ways through Atmel Studio or by looking at the sticker on the bottom side of the PCB By connecting a Xplained Pro MCU board to a computer with Atmel Studio running an information window will pop up The first six digits of the serial number which is listed under kit details contain the product identifier and revision Information about connected Xplained Pro extension boards will also appear in the Atmel Kits window The same information can be found on the sticker on the bottom side of the PCB Most kits will print the identifier and revision in plain text as A09 nnnnVr where nnnn is the identifier and rr is the revision Boards with limited space have a sticker with only a QR code which contains a serial number string The serial number string has the following format nnnnrrssssssssss n product identifier revision S serial number The kit identifier for XMEGA A1U Xplained Pro is 1802 5 2 Revision 2 Revision 2 of XMEGA A1U Xplained Pro is the initial released version there are no known issues Atmel Atmel XMEGA A1U Xplained Pro USER GUIDE 18 42211A MCU 01 2014 6 Document revision history Document Comment revision 42211A 01 2014 Initial release Atmel Atmel XMEGA A1U Xplained Pro USER GUIDE 19 42211A MCU 01 2014 T Evaluation board kit important notice This evaluation board kit is intended for use for FURTHER ENGINEERING DEVELOPMENT DEMONSTRAT
17. imum Current mA uint16 t 30 Power supply The XMEGA A1U Xplained Pro kit can be powered either by USB or by an external power source through the 4 pin power header marked PWR This connector is described in Xplained Pro power header on page 10 The available power sources and specifications are listed in Table 3 3 Power sources for XMEGA A1U Xplained Pro on page 7 Table 3 3 Power sources for XMEGA A1U Xplained Pro Voltage requirements Current requirements Connector marking External power 5V 2 100mV Recommended PWR for USB host operation minimum is 1A to 4 3 V to 5 5 V if USB be able to provide host operation is not enough current for connected USB devices and board itself Recommended maximum is 2A due to the input protection maximum current specification Embedded debugger 4 4V to 5 25V 500 mA according to DEBUG USB USB according to USB spec USB spec Target USB 4 4V to 5 25V 500 mA according to TARGET USB according to USB spec USB spec The kit will automatically detect which power sources are available and choose which one to use according to the following priority 1 External power 2 Embedded debugger USB 3 Target USB External power is required when the 500mA through the USB connector is not enough to power a connected USB device in a USB host application Measuring XMEGA power consumption As part of an evaluation of the XMEGA it can be of interest to measu
18. ine Ground Data line Data line Data line Data line Ground Pixel clock and data select One address line of the MCU select either the Command register or the data interface Vertical synchronization Chip select Horizontal Write enable signal synchronization Data enable signal Read enable signal Clock for Serial peripheral interface Master out slave in line of Serial peripheral interface Master in slave out line of Serial peripheral interface Slave select for SPI Should be unique if possible Display enable signal I2C data line maxTouch Atmel XMEGA A1U Xplained Pro USER GUIDE 9 42211A MCU 01 2014 RGB interface _ MCU interface description description 43 TWI SCL I2C clock line maxTouch 44 IRQ1 maxTouch interrupt line 45 IRQ2 Interrupt line for other I2C devices 46 PWM Backlight control 47 Reset for both display and maxTouch 48 VCC 3 3V power supply for extension board 49 VCC 3 3V power supply for extension board 50 GND Ground 3 4 3 Xplained Pro power header The power header can be used to connect external power to the XMEGA A1U Xplained Pro kit The kit will automatically detect and switch to the external power if supplied The power header can also be used as supply for external peripherals or extension boards Care must be taken not to exceed the total current limitation of the on board regulator for the 3 3V regulated o
19. mber Name Description 1 ID Communication line to the ID chip on 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 GPIO1 General purpose 1 GPIO2 General purpose O PWM Pulse width modulation alternatively positive part of differential PWM 8 PWN Pulse width modulation alternatively positive part of differential PWM 9 IRQ GPIO Interrupt request line and or general purpose I O 10 SPI SS B GPIO Slave select for SPI and or general purpose I O 11 TWI SDA Data line for two wire interface Always implemented bus type 12 TWI SCL Clock line for two wire interface Always implemented bus type 13 USART RX Receiver line of Universal Synchronous and Asynchronous serial Receiver and Transmitter 14 USART TX Transmitter line of Universal Synchronous and Asynchronous serial Receiver and Transmitter 15 SPI SS A Slave select for SPI Should be unique if possible 16 SPI MOSI Master out slave in line of Serial peripheral interface Always implemented bus type 17 SPI MISO Master in slave out line of Serial peripheral interface Always implemented bus type 18 SPI SCK Clock for Serial peripheral interface Always implemented bus type 19 GND Ground 20 VCC Power for extension board 3 4 2 Xplained Pro LCD connector The LCD connector provides the ability to connect to display e
20. ollowing list contains links to the most relevant documents and software for XMEGA A1U Xplained Pro 1 Xplained Pro products Atmel Xplained Pro is a series of small sized and easy to use evaluation kits for 8 and 32 bit Atmel microcontrollers It consists of a series of low cost MCU boards for evaluation and demonstration of features and capabilities of different MCU families 2 XMEGA Xplained Pro User Guide PDF version of this User Guide 3 XMEGA AMU Xplained Pro Design Documentation us Package containing schematics BOM assembly drawings 3D plots layer plots etc 4 EDBG User Guide User guide containing more information about the onboard Embedded Debugger 5 Atmel Studio Free Atmel IDE for development of C C and assembler code for Atmel microcontrollers 6 IAR Embedded Workbench 8 for Atmel AVR This is a commercial C C compiler that is available for 8 bit AVR There is a 30 day evaluation version as well as a 4k code size limited kick start version available from their website 7 Atmel sample store Atmel sample store where you can order samples of devices http www atmel com atmelstudio http www atmel com atmelstudio 2 http www atmel com XplainedPro li http www atmel com Images Atmel 42211 XMEGA A1U Xplained Pro User Guide pdf http www atmel com Images Atmel 42211 XMEGA A1U Xplained Pro User Guide zip 8 http www atmel com Images Atmel 42096 Microcontrollers Embedded Debugger User
21. r EXT3 1 ID 2 GND ADC 4 ADC 5 GPIO1 6 GPIO2 7 PWM 8 PWN 9 IRQ GPIO 10 SPI SS B GPIO 11 TWI SDA 12 TWI SCL 13 USART RX 14 USART TX 15 SPI SS A 16 5 1 MOSI 17 5 1 MISO 18 SPI SCK 19 GND 20 VCC LCD extension connector PE4 PB6 PB7 PF1 PF2 PF3 PF4 PC5 PC6 PC7 PA3 PA7 PKO PK1 PD5 PD4 PK2 PK3 PFO PF1 PF6 PF7 PDO PC5 PC6 TCE1 OC1B TCE1 OC1A GPIO GPIO TWIF SDA TWIF SCL USARTFO RXDO USARTFO TXDO GPIO SPIC MOSI SPIC MISO SPIC SCK GAINPOS ADCA7 GAINNEG GPIO GPIO TCD1 OC1B TCD1 1 GPIO GPIO TWIF SDA TWIF SCL USARTF1 RXD1 USARTF1 TXD1 GPIO SPIC MOSI SPIC MISO SPIC SCK Alternate signal header Alternate signal header EXT3 EXT3 EXT1 EXT3 and LCD Connector EXT1 EXT3 LCD Connector and Alternate signal header EXT1 EXT3 LCD Connector and Alternate signal header GND VCC Shared functionality Communication line to ID chip on extension board GND Alternate signal header EXT2 EXT2 EXT1 EXT2 and LCD Connector EXT1 EXT2 LCD Connector and Alternate signal header EXT1 EXT2 LCD Connector and Alternate signal header GND VCC Extension connector EXT4 is a special connector for LCD displays The physical connector is a TE Connectivity 5 1734839 0 FPC connector Atmel Atmel XMEGA A1U Xplained Pro USER GUIDE 12 42
22. re its power consumption Because the device has a separate power plane MCU P3V3 on this board it is possible to measure the current consumption by measuring the current that is flowing into this plane The MCU P3V3 plane is connected via a jumper to the main power plane TARGET P3V3 and by replacing the jumper with an ampere meter it is possible to determine the current consumption To locate the current measurement header please refer to Figure 1 1 A1U Xplained Pro evaluation kit overview on page 4 Do not power the board without having the jumper or an ampere meter mounted This can cause the XMEGA to be powered through its I O pins and cause undefined operation of the device Standard headers and connectors Xplained Pro standard extension header All Xplained Pro kits have one or more dual row 20 pin 100mil extension headers Xplained Pro MCU boards have male headers while Xplained Pro extensions have their female counterparts Note that all pins are not always connected However all the connected pins follow the defined pin out described in Table 3 4 Atmel XMEGA A1U Xplained Pro USER GUIDE 7 42211A MCU 01 2014 Xplained Pro extension header on page 8 The extension headers can be used to connect a wide variety of Xplained Pro extensions to Xplained Pro MCU boards and to access the pins of the target MCU on Xplained Pro MCU board directly Table 3 4 Xplained Pro extension header Pin nu
23. ual COM port connections PE2 USARTEO RXDO line PE3 USARTEO TXDO XMEGA TX line Atmel Data Gateway Interface The Embedded Debugger features Atmel Data Gateway Interface by using either a SPI or port The DGI can be used to send a variety of data from the XMEGA to the host PC For further information on how to use the DGI interface see Embedded Debugger on page 6 Table 4 13 DGI interface connections when using USART Pin on XMEGA Function PD1 USARTDO PD2 USARTDO RXDO Atmel Atmel A1U Xplained Pro USER GUIDE 16 42211A MCU 01 2014 Pin on XMEGA Function PD3 USARTDO TXDO Table 4 14 DGI interface connections when using Pin on XMEGA Function PCO TWIC SDA Data line Pot TWIC SCL Clock line Four GPIO lines are connected to the Embedded Debugger The EDBG can monitor these lines and time stamp pin value changes This makes it possible to accurately time stamp events in the XMEGA application code For further information on how to configure and use the GPIO monitoring features see Embedded Debugger on page 6 Table 4 15 GPIO lines connected to the EDBG Pin on XMEGA Function PK4 GPIOO PK5 GPIO1 PK6 GPIO2 GPIO3 Atmel A1U Xplained Pro USER GUIDE 17 Atmel P el 5 Hardware revision history and known issues 5 1 Identifying product ID and revision The revision and product
24. utput To locate the current measurement header please refer to Figure 1 1 XMEGA A1U Xplained Pro evaluation kit overview on page 4 Table 3 6 Power header PWR Pin number PWR header Pin name Description 1 VEXT P5VO External 5V input 2 GND Ground 3 VCC P5VO Unregulated 5V output derived from one of the input sources 4 VCC P3V3 Regulated 3 3V output used as main power for the kit Note If the board is powered from a battery source it is recommended to use the PWR header If there is a power source connected to EDBG USB the EDBG is activated and it will consume more power Atmel XMEGA A1U Xplai P ER IDE 1 Atmel me G U Xplained Pro USER GUIDE 0 42211A MCU 01 2014 4 1 Atmel Hardware user guide Connectors This chapter describes the implementation of the relevant connectors and headers on XMEGA A1U Xplained Pro and their connection to the ATxmega128A1U The tables of connections in this chapter also describes which signals are shared between the headers and on board functionality I O extension headers The XMEGA A1U Xplained Pro headers EXT1 EXT2 and EXT3 offer access to the I O of the microcontroller in order to expand the board e g by connecting extensions to the board These headers all comply with the standard extension header specified in Xplained Pro Standard Extension Header on page 7 All headers have a pitch of 2 54 mm Table 4 1 Extension header EXT1 Pin on EXT1 XMEGA pin ECT Shared function
25. xtensions that have a parallel interface The connector implements signals for a MCU parallel bus interface and a LCD controller interface as well as signals for a touchcontroller The connector pin out definition is shown in Table 3 5 Xplained Pro LCD connector on page 8 Note that usually only one display interface is implemented either LCD controller or the MCU bus interface A FPC FFC connector with 50 pins and 0 5mm pitch is used for the LCD connector The connector XF2M 5015 1A from Omron is used on several designs and can be used as a reference Table 3 5 Xplained Pro LCD connector Pin number RGB interface MCU interface description description Atmel GND DO Communication line to ID chip on extension board Ground Data line Atmel XMEGA A1U Xplained Pro USER GUIDE 8 42211A MCU 01 2014 RGB interface MCU interface description description AN 00 A Co 35 36 37 38 39 40 41 42 Atmel D1 D2 D3 GND D4 D5 D6 D7 GND D8 DY D10 D11 GND D12 D12 D14 D15 GND D16 D17 D18 D19 GND D20 D21 D22 D23 GND PCLK CMD DATA SEL VSYNC CS HSYNC WE DATA ENABLE RE SPI SCK SPI MOSI SPI MISO SPI SS ENABLE TWI SDA Data line Data line Data line Ground Data line Data line Data line Data line Ground Data line Data line Data line Data line Ground Data line Data line Data line Data line Ground Data line Data line Data line Data l
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