ATMXT-XPRO

8051 Architecture maXTouch Xplained Pro USER GUIDE Preface ® ® Atmel maXTouch Xplained Pro is an extension board to the Atmel Xplained Pro evaluation platform. The board enables the user to experiment with user interface applications with maXTouch and LCD. Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 Table of Contents Preface............................................................................................................................ 1 1. Introduction................................................................................................................ 3 1.1. 1.2. Features....................................................................................................................................... 3 Kit Overview................................................................................................................................. 3 2. Getting Started...........................................................................................................5 2.1. 2.2. 2.3. Xplained Pro Quick Start.............................................................................................................. 5 Connecting maXTouch Xplained Pro to the Xplained Pro MCU Board........................................ 5 Design Documentation and Relevant Links................................................................................. 5 3. Xplained Pro.............................................................................................................. 7 3.1. 3.2. Hardware Identification System....................................................................................................7 Xplained Pro Headers and Connectors........................................................................................7 3.2.1. Xplained Pro Standard Extension Header..................................................................... 7 3.2.2. Xplained Pro LCD Extension Connector........................................................................8 4. Hardware User Guide.............................................................................................. 11 4.1. 4.2. 4.3. 4.4. Electrical Characteristics............................................................................................................ 11 Headers and Connectors............................................................................................................11 4.2.1. maXTouch Xplained Pro Extension Headers............................................................... 11 Peripherals................................................................................................................................. 14 4.3.1. maXTouch Capacitive Touch Controller.......................................................................14 4.3.2. Interface Selector.........................................................................................................14 Mounting.....................................................................................................................................14 4.4.1. Board Stacking Options............................................................................................... 14 5. Hardware Revision History and Known Issues........................................................18 5.1. 5.2. Identifying Product ID and Revision........................................................................................... 18 Revision 2...................................................................................................................................18 6. Document Revision History..................................................................................... 19 7. Evaluation Board/kit Important Notice..................................................................... 20 Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 2 1. Introduction 1.1. Features • • • 1.2. 4.3" Display module • ILI9488 LCD Driver • 320x480 Resolution • Parallel interface (up to 18-bit) • Parallel RGB interface • 3- and 4-wire SPI interface • maXTouch capacitive touch screen controller Xplained Pro hardware identification system Kit Contents • One 4.3" display module • One 50-way Flexible Flat Cable (FFC) • One 20-way Ribbon Cable • Four mounting screws and eight threaded spacers Kit Overview Atmel maXTouch Xplained Pro is an extension board for the Xplained Pro platform with a 320x480 RGB LCD and a capacitive touch sensor with a maXTouch controller. The LCD can be controlled via different interfaces, including 3- and 4-wire SPI, Parallel and RGB Parallel interface mode using the DIP-switch to select the interface. The maXTouch Xplained Pro kit connects to any Xplained Pro standard extension header on any Xplained Pro MCU board using the 20-pin header, but is limited to 3- and 4-wire SPI mode. maXTouch Xplained Pro also features a standard Xplained Pro LCD connector (FFC), which enables use of the parallel interfaces. Both connections features SPI interface for the LCD and I2C for the maXTouch device. Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 3 Figure 1-1. maXTouch Xplained Pro Extension Board Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 4 2. Getting Started 2.1. Xplained Pro Quick Start Steps to start exploring the Atmel Xplained Pro platform: 1. Download Atmel Studio. 2. Launch Atmel Studio. 3. Connect maXTouch Xplained Pro to an Xplained Pro MCU board and connect a USB cable to the DEBUG USB port on the Xplained Pro MCU board. When the Xplained Pro MCU kit is connected to your computer for the first time, the operating system will ® perform a driver software installation. The driver file supports both 32- and 64-bit versions of Microsoft ® ® Windows XP, Windows Vista , Windows 7, and Windows 8. Once the Xplained Pro MCU board is powered the green power LED will be lit and Atmel Studio will auto detect which Xplained Pro MCU- and extension board(s) are connected. Atmel Studio will present relevant information like datasheets and kit documentation. The kit landing page in Atmel Studio also has the option to launch Atmel Software Framework (ASF) example applications for the kit. The target device is programmed and debugged by the on-board Embedded Debugger and therefore no external programmer or debugger tool is needed. 2.2. Connecting maXTouch Xplained Pro to the Xplained Pro MCU Board Atmel maXTouch Xplained Pro has been designed to be connected to the Xplained Pro header marked EXT3. However, it is compatible with all Xplained Pro EXT headers. Refer to the pin-out of your Xplained Pro evaluation kit to find out which Xplained Pro EXT headers that can be used. The Flexible Flat Cable (FFC) connector can be used if parallel interface from the MCU to the display is used on kits featuring the Xplained Pro LCD connector. (Only one cables should be connected at the same time.) Once the Xplained Pro MCU board is powered the green power LED will be lit and Atmel Studio will auto detect which Xplained Pro MCU- and extension board(s) that is connected. Atmel Studio will present relevant information like datasheets and kit documentation. The kit landing page in Atmel Studio also have the option to launch Atmel Software Framework (ASF) example applications for the kit. The target device is programmed and debugged by the on-board Embedded Debugger. No external programmer or debugger tool is needed. 2.3. Design Documentation and Relevant Links The following list contains links to the most relevant documents and software for maXTouch Xplained Pro: • • • • 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. 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. Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 5 • • • Design Documentation - Package containing CAD source, schematics, BOM, assembly drawings, 3D plots, layer plots etc. Hardware Users Guide in PDF format - PDF version of this User Guide. maXTouch Xplained Pro on the Atmel website - Atmel website link. Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 6 3. 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, which 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, which are connected through a set of standardized headers and connectors. Each extension board has an identification (ID) chip to uniquely identify which boards are connected to an Xplained Pro MCU board. This information is used to present relevant user guides, application notes, datasheets, and example code through Atmel Studio. 3.1. 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 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. The table below shows the data fields stored in the ID chip with example content. Table 3-1. Xplained Pro ID Chip Content Data field Data type Example content Manufacturer ASCII string Atmel'\0' Product Name ASCII string Segment LCD1 Xplained Pro'\0' Product Revision ASCII string 02'\0' Product Serial Number ASCII string 1774020200000010’\0’ Minimum Voltage [mV] uint16_t 3000 Maximum Voltage [mV] uint16_t 3600 Maximum Current [mA] uint16_t 30 3.2. Xplained Pro Headers and Connectors 3.2.1. Xplained Pro Standard Extension Header All Xplained Pro kits have one or more dual row, 20-pin, 100mil extension header. Xplained Pro MCU boards have male headers, while Xplained Pro extensions have their female counterparts. Note that all pins are not always connected. All connected pins follow the defined pin-out description in the table below. The extension headers can be used to connect a variety of Xplained Pro extensions to Xplained Pro MCU boards or to access the pins of the target MCU on Xplained Pro MCU boards directly. Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 7 Table 3-2. Xplained Pro Standard Extension Header 3.2.2. Pin number Name Description 1 ID Communication line to the ID chip on an 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 select for SPI and/or general purpose I/O 11 I2C_SDA Data line for I2C interface. Always implemented, bus type. 12 I2C_SCL Clock line for I2C interface. Always implemented, bus type. 13 UART_RX Receiver line of target device UART 14 UART_TX Transmitter line of target device UART 15 SPI_SS_A Slave select for SPI. Should preferably be unique. 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 Xplained Pro LCD Extension Connector The LCD connector provides the ability to connect to display extensions 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 touch controller. The connector pin-out definition is shown in Table 3-3 Xplained Pro LCD Connector on page 9. Note that usually only one display interface is implemented, either the 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 Xplained Pro designs and can be used as a reference. Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 8 Table 3-3. Xplained Pro LCD Connector Pin number Name RGB interface description MCU interface description 1 ID Communication line to the ID chip on an extension board 2 GND Ground 3 D0 Data line 4 D1 Data line 5 D2 Data line 6 D3 Data line 7 GND Ground 8 D4 Data line 9 D5 Data line 10 D6 Data line 11 D7 Data line 12 GND Ground 13 D8 Data line 14 D9 Data line 15 D10 Data line 16 D11 Data line 17 GND Ground 18 D12 Data line 19 D13 Data line 20 D14 Data line 21 D15 Data line 22 GND Ground 23 D16 Data line 24 D17 Data line 25 D18 Data line 26 D19 Data line 27 GND Ground 28 D20 Data line 29 D21 Data line 30 D22 Data line 31 D23 Data line 32 GND Ground Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 9 Pin number Name RGB interface description MCU interface description 33 PCLK / CMD DATA Pixel clock SEL Display RAM select. One address line of the MCU for displays where it is possible to select either register or data interface. 34 VSYNC / CS Vertical Synchronization Chip select 35 HSYNC / WE Horizontal Synchronization Write enable signal 36 DATA ENABLE / RE Data enable signal Read enable signal 37 SPI SCK Clock for serial peripheral interface 38 SPI MOSI Master out slave in of serial peripheral interface 39 SPI MISO Master in slave out of serial peripheral interface 40 SPI SS Slave select for serial peripheral interface. Preferably a dedicated pin. 41 ENABLE Display enable 42 I2C SDA I2C data 43 I2C SCL I2C clock 44 IRQ1 Interrupt 1 45 IRQ2 Interrupt 2 46 PWM Backlight control 47 RESET Extension reset 48 VCC 3.3V power supply for extension board 49 VCC 3.3V power supply for extension board 50 GND Ground Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 10 4. Hardware User Guide 4.1. Electrical Characteristics maXTouch Xplained Pro can be connected to several Xplained Pro MCU boards and manually connected to other hardware. Xplained Pro MCU board(s) that does not have 3.3V as it's primary target voltage will read all ID devices on connected extensions to check if they support the target voltage before enabling it to the extension headers. The table below shows the static content written in the ID chip. Table 4-1. maXTouch Xplained Pro ID Chip Content Data field Content Product name maXTouch Xplained Pro Minimum operation voltage 3.0V Maximum operation voltage 3.3V Maximum current 50mA Related Links Hardware Identification System on page 7 4.2. Headers and Connectors 4.2.1. maXTouch Xplained Pro Extension Headers maXTouch Xplained Pro implements one Table 3-2 Xplained Pro Standard Extension Header on page 8 marked with XPRO EXTENSION HEADER in silkscreen. This header makes it possible to connect the board to any Xplained Pro MCU board using a 20-pin ribbon cable (included in kit). maXTouch Xplained Pro also implements one Table 3-3 Xplained Pro LCD Connector on page 9 marked with XPRO LCD CONNECTOR in silkscreen. The pin-out definition for the extension header can be seen in Table 4-2  maXTouch Xplained Pro Standard Extension Header on page 11 and the pin-out for the LCD connector in Table 4-3 maXTouch Xplained Pro Xplained Pro LCD Connector on page 12. Table 4-2. maXTouch Xplained Pro Standard Extension Header Pin on EXT Function Description 1 ID Communication line to ID chip 2 GND Ground 3 Not Connected 4 Not Connected 5 GPIO 6 Not Connected 7 PWM 8 Not Connected 9 GPIO/IRQ Command/Data Select Backlight control IRQ from maXTouch controller Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 11 Pin on EXT Function Description 10 GPIO RESET signal for maXTouch and LCD controller 11 I2C SDA I2C Data line for maXTouch controller 12 I2C SCL I2C Clock line for maXTouch controller 13 Not Connected 14 Not Connected 15 CS CS line for LCD controller 16 SPI MOSI SPI Data to LCD controller 17 SPI MISO SPI Data from LCD controller 18 SPI SCK SPI Clock line 19 GND Ground 20 VCC Target supply voltage Table 4-3. maXTouch Xplained Pro Xplained Pro LCD Connector Pin number Name RGB interface description MCU interface description 1 ID Communication line to ID chip on extension board 2 GND 3 D0 Data line 4 D1 Data line 5 D2 Data line 6 D3 Data line 7 GND 8 D4 Data line 9 D5 Data line 10 D6 Data line 11 D7 Data line 12 GND 13 D8 Data line 14 D9 Data line 15 D10 Data line 16 D11 Data line 17 GND Ground 18 D12 Data line 19 D12 Data line Ground Ground Ground Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 12 Pin number Name RGB interface description MCU interface description 20 D14 Data line 21 D15 Data line 22 GND Ground 23 D16 Data line 24 D17 Data line 25 Not Connected 26 Not Connected 27 GND 28 Not Connected 29 Not Connected 30 Not Connected 31 Not Connected 32 GND 33 PCLK / CMD_DATA_SEL Pixel clock Display RAM select. One address line of the MCU for displays where it is possible to select either the register or the data interface 34 VSYNC / CS Vertical synchronization Chip select 35 HSYNC / WE Horizontal synchronization Write enable signal 36 DATA ENABLE / RE Data enable signal Read enable signal 37 SPI SCK Clock for Serial peripheral interface 38 SPI MOSI Master out slave in line of Serial peripheral interface 39 SPI MISO Master in slave out line of Serial peripheral interface 40 SPI SS 41 Not Connected 42 TWI SDA I2C data line (maXTouch) 43 TWI SCL I2C clock line (maXTouch) 44 IRQ1 45 Not Connected 46 PWM 47 RESET 48 VCC Ground Ground Slave select for SPI. Should be unique if possible maXTouch interrupt line Backlight control Reset for both display and maxTouch 3.3V power supply for extension board Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 13 Pin number Name RGB interface description MCU interface description 49 VCC 3.3V power supply for extension board 50 GND Ground 4.3. Peripherals 4.3.1. maXTouch Capacitive Touch Controller maXTouch Xplained Pro has a ATMXT112S capacitive touch controller that's accessible over I2C. See code examples in ASF for how to set up and use the touch controller. 4.3.2. Interface Selector maXTouch Xplained Pro features a 3-way DIP-switch that is used for configuring the display interface mode. Setting the switch positions to ON, will result in a high level (1) for the IMx line. See the table below for interface mode settings. Table 4-4. maXTouch Xplained Pro DIP-Switch Settings IM2 IM1 IM0 Interface Pins in use 0 0 0 18-bit parallel bus DB[17:0], CS, D/C, WE, RE 0 0 1 9-bit parallel bus DB[8:0], CS, D/C, WE, RE 0 1 0 16-bit parallel bus DB[15:0], CS, D/C, WE, RE 0 1 1 8-bit parallel bus DB[7:0], CS, D/C, WE, RE 1 0 1 18-bit RGB parallel mode(1) DB[17:0], HSYNC, VSYNC, PCLK, DE, MOSI, MISO, SCLK, CS 1 0 1 3-wire/9-bit SPI mode(1) MOSI, MISO, SCLK, CS 1 1 1 4-wire/8-bit SPI mode MOSI, MISO, SCLK, CS, D/C Note:  1. The setting for RGB parallel mode and 3-wire SPI is the same. To be able to use the RGB mode, the internal configuration registers needs to be set correctly using 3-wire SPI. 4.4. Mounting The kit includes accessories for mounitng the display module to a MCU board. • 4.4.1. Mounting accessories: • Four M2.5 x 5 mm screws • Four M2.5 x 20 mm hex spacers (male to female) • Four M2.5 x 10 mm hex spacers (female to female) Board Stacking Options maXTouch Xplained Pro display module is intended to be mountable on top, on the bottom, or placed sideways to an Xplained Pro MCU board as shown in the following illustrations. Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 14 Figure 4-1. Side by Side Connection Option Figure 4-2. Top Side Mounting Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 15 Figure 4-3. Bottom Side Mounting The stacking is supported by spacers and screws. Figure 4-4 Display Module Top-stacked on page 16 shows an display module stacked on top of a MCU board. Figure 4-5 Display Module Bottom-stacked on page 17 shows an LCD board stacked on the bottom side of a MCU board, note that the MCU board has been flipped upside down in this drawing. Both of these mounting configurations requires four long spacers (M2.5 x 20mm, female/male), four short spacers (M2.5 x 10mm, female/female), and four screws (M2.5 x 5mm). Figure 4-4. Display Module Top-stacked Screw Display LCD Board Spacer MCU Board Spacer Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 16 Figure 4-5. Display Module Bottom-stacked Screw Display LCD Board Spacer MCU Board Spacer Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 17 5. Hardware Revision History and Known Issues 5.1. Identifying Product ID and Revision The revision and product identifier of Xplained Pro boards can be found in two ways; either through Atmel Studio or by looking at the sticker on the bottom side of the PCB. By connecting an 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 Kit's 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-nnnn\rr, 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 r = revision s = serial number The product identifier for maXTouch Xplained Pro is A09-2171. 5.2. Revision 2 Revision 2 of maXTouch Xplained Pro (2171) is the initial released version. Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 18 6. Document Revision History Doc. rev. Date Comment 42350B 01/2016 Added Electrical Characteristics on page 11. 42350A 11/2014 Initial document release. Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 19 7. Evaluation Board/kit Important Notice This evaluation board/kit is intended for use for FURTHER ENGINEERING, DEVELOPMENT, DEMONSTRATION, 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. Mailing Address: Atmel Corporation 1600 Technology Drive San Jose, CA 95110 USA Atmel maXTouch Xplained Pro [USER GUIDE] Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 20 Atmel Corporation © 1600 Technology Drive, San Jose, CA 95110 USA T: (+1)(408) 441.0311 F: (+1)(408) 436.4200 | www.atmel.com 2016 Atmel Corporation. / Rev.: Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016 ® ® ® Atmel , Atmel logo and combinations thereof, Enabling Unlimited Possibilities , maXTouch , and others are registered trademarks or trademarks of Atmel ® Corporation in U.S. and other countries. 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. 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