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Intelligent Display Module with 3.5" Landscape Display
Ordering Information
Product No. MDL-IDM-L35 Description Stellaris(R) Intelligent Display Module with 3.5" Landscape Display for Single-Unit Packaging Stellaris(R) Intelligent Display Module with 3.5" Landscape Display for Volume Packaging Stellaris(R) Intelligent Display Module with 3.5" Landscape Display Reference Design Kit (includes MDL-IDM-L35 board)
MDL-IDM-L35-B
RDK-IDM-L35
Figure 1.
Intelligent Display Module with 3.5" Landscape Display RDK
Contents
General Description . . . . . . . . . . . . . . . . . . . . 1 Feature Summary . . . . . . . . . . . . . . . . . . . . . . 2 Module Block Diagram . . . . . . . . . . . . . . . . . . 3 Operational Specifications . . . . . . . . . . . . . .4 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Software Development . . . . . . . . . . . . . . . . . . 5 Programming the MDL-IDM-L35 . . . . . . . . . . 6 Reference Design Kit Contents . . . . . . . . . . . 6 Mechanical Installation . . . . . . . . . . . . . . . . . 7 Additional Information . . . . . . . . . . . . . . . . . . 7
General Description
The Luminary Micro Stellaris(R) Intelligent Display Module with 3.5" Landscape Display (MDL-IDM-L35-L35) offer a complete graphical touch-screen user interface solution for control, automation, and instrumentation applications. The compact design is based on a Stellaris(R) LM3S1958 microcontroller; a highly integrated controller incorporating a 32-bit ARM(R) CortexTM-M3 core. Development of software for the IDM module is simplified by using Luminary Micro's comprehensive graphics library and ARM development tools from our tools partners. First-time users should purchase the RDK-IDM-L35 Reference Design Kit which includes the touch panel module, a documentation CD, and cables. See the RDK-IDM-L35 Quickstart Guide and RDK-IDM-L35 User's Manual for complete technical details on using and customizing the Intelligent Display Module.
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Feature Summary
Highlighted capabilities of the MDL-IDM-L35 include: Bright QVGA LCD Display with touch Serial connectivity Easy to customize - full source code and design files included Flexible power supply options Compact size simplifies system integration
Features
The MDL-IDM-L35 provides the following features: LCD display - 3.5" QVGA 320 x 240 pixels - 16-bit color - White LED backlight - 4-wire resistive touch panel Serial communications - UART serial port with RS232 signal levels - UART serial port with TTL signal levels - Default 115.2k,8,n,1 operation Stellaris(R) microcontroller - 32-bit ARM(R) CortexTM-M3 - 50 MHz operation Memory - 256 KB main flash memory - 64 KB SRAM - 168 KB image RAM - microSD slot (typically 1 GB storage) Power-supply options - 5 V DC jack - 5 V Terminal block - 5 V Serial header Peripherals - Four analog measurement inputs - 16 digital I/O lines - Magnetic buzzer, PWM controlled Software - Example applications included - Supports development tools from Keil, IAR, Code Sourcery, and Code Red Technologies - Stellaris(R) Graphics Library
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Module Block Diagram
Figure 2 shows the block diagram for the MDL-IDM-L35.
Figure 2. Block Diagram
Analog
ADC (4) Data ESD Protected
QVGA 3.5" LCD Panel
LCD Driver
Ctrl
5V
Analog touch signals
Stellaris LM3S1958 Microcontroller
Digital I/O (4) ESD Protected
microSD card
microSD
Speaker
RS232
Serial
Digital I /O (4) Digital I /O (8)
3.3V
5V DC Jack Serial Header 3.3V Regulator
5V
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Operational Specifications
Table 1 shows the operating parameters for the MDL-IDM-L35.
Table 1.
Operating Specifications
Min Nom Max Unit
Parameter Name Power Supply Connection Options
DC Jack J7 Terminal Block J1 Serial Header J8 Required Supply Current
4.5
5
5.5
V DC
-
-
300
mA
Environment
Operating Temperature Range Storage Temperature Range -20 -30 - - +50 +70 C C
Display
Brightness View Angle (V) View Angle (H) Contrast Ratio 210 -10 -45 340 220 - - 400 - +35 +45 - Cd/m2 deg deg -
Peripherals
Analog Input Range Analog Inputs - Electrical Limits Digital Inputs - Low level (VIL) Digital Inputs - High level (VIH) Digital Outputs - Low level (VOL) Digital Outputs - High level (VOH) 0 -0.3 -0.3 2.0 - 2.4 - - - - - - 3 3.3 0.8 5.0 0.4 - V V V V V V
RS232
Data Rate Transmitter Voltage Swing Input Threshold Low Input Threshold High - 5.0 0.6 - - 5.4 1.2 1.5 120 - - 2.4 Kbps Vdc - -
Power
The IDM-L35 requires 5V DC for operation, which can be applied to one of the three power supply board connectors (see Table 1). The RDK includes a USB serial cable that provides power via the serial header connector. In all cases, the power supply must be regulated within the electrical limits listed in Table 1.
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Wiring
Figure 3 shows all possible electrical connections, including RS232, analog inputs, and digital I/O. The actual functionality of the peripheral connections is determined by the application software.
Figure 3. Connection Diagram
Serial Header JTAG/SWD
Digital I /O (8) Digital I /O (4)
microSD Card
1
RS232 Serial Port
Analog 5V Inputs (4) GND Digital I /O (4)
5V GND
Software Development
The MDL-IDM-L35 ships with a factory-programmed example application. This application must be replaced with a program specific to the end product. Development requires the use of a compiler capable of generating code for an ARM(R) CortexTM-M3 processor. Visit www.luminarymicro.com to download evaluation versions of suitable development tools. The Luminary Micro Graphics Library accelerates software development by providing a range of display-related extensions to the standard StellarisWareTM Software. The Graphics Library includes widgets, low-level drawing primitives, and display drivers. Graphics Library widgets encapsulate the ability to render a GUI element, detect if a touchscreen press occurred within its bounds, and react to presses. Widgets may be used in a hierarchical manner to provide groups of associated widgets, such as radio buttons. Examples of widgets include check boxes, buttons, sliders, and images. Drawing primitives are elementary geometric items. The Graphics Library includes primitives such as lines, circles, filled circles, rectangles, and fonts. A selection of pre-built fonts is included and additional user fonts may be added to the library.
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The display driver provides low-level code for initializing the display controller and a method for setting pixels. Graphics Library includes a display driver optimized for the RDK-IDM-L35 LCD panel and therefore, users do not need low-level knowledge of LCD-driver operation. Refer to the Luminary Micro Stellaris(R) Graphics Library User's Guide for full details.
Programming the MDL-IDM-L35
Once an application has been compiled and linked to a binary file, it can be loaded into the MDL-IDM-L35 by two different methods: Over the RS232 serial port using the Luminary Micro's serial boot loader Using the JTAG or SWD port and an In-circuit Debug Interface (ICDI) Both methods are supported by the LMFlash utility included on the software and documentation CD and available from the Luminary Micro web site at www.luminarymicro.com. The RDK-IDM-L35 includes an adapter to convert the fine-pitch, 10-way debug header to the common 20-pin ARM debug header.
Figure 4. Fine-Pitch Debug Header Pin Assignments
12 3.3V GND GND n/c GND 9 10 TMS/ SWDIO TCK/ SWCLK TDO TDI SRSTn
Reference Design Kit Contents
The RDK-IDM-L35 RDK includes the following: MDL-IDM-L35 Intelligent QVGA Touch Panel with Ethernet USB to TTL serial USB cable Debug adapter - Fine pitch to 0.1" standard header Documentation and source code CD
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Mechanical Installation
The MDL-IDM-L35 mounts to a front panel mounting using four screws and appropriate stand-offs.
Figure 5. MDL-IDM-L35 Module Dimensions
3.10 O 0.125
3.02
3.10
2.51
2.80
0.05
2.80 Reset switch location
0.25
0.06 0.17 0.43 1.000 Extent of IDM-L35 components Standoffs installed in RDK version only
Additional Information
The following documents are available for download at www.luminarymicro.com: Stellaris(R) Intelligent Display Module with 3.5" Landscape Display Reference Design Kit User's Manual, document order number RDK-IDM-L35 Stellaris(R) Peripheral Driver Library User's Guide, document order number SW-DRL-UG Stellaris(R) Graphics Library User's Guide, document order number SW-GRL-UG RDK-IDM-L35 Firmware Development Package User's Guide, document order number SW-RDK-IDM-L35
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Legal Disclaimers and Trademark Information
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH LUMINARY MICRO PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN LUMINARY MICRO'S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, LUMINARY MICRO ASSUMES NO LIABILITY WHATSOEVER, AND LUMINARY MICRO DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF LUMINARY MICRO'S PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. LUMINARY MICRO'S PRODUCTS ARE NOT INTENDED FOR USE IN MEDICAL, LIFE SAVING, OR LIFESUSTAINING APPLICATIONS. Luminary Micro may make changes to specifications and product descriptions at any time, without notice. Contact your local Luminary Micro sales office or your distributor to obtain the latest specifications before placing your product order. Designers must not rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Luminary Micro reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them. Copyright (c) 2008 Luminary Micro, Inc. All rights reserved. Stellaris, Luminary Micro, and the Luminary Micro logo are registered trademarks of Luminary Micro, Inc. or its subsidiaries in the United States and other countries. ARM and Thumb are registered trademarks, and Cortex is a trademark of ARM Limited. Other names and brands may be claimed as the property of others. Luminary Micro, Inc. 108 Wild Basin, Suite 350 Austin, TX 78746 Main: +1-512-279-8800 Fax: +1-512-279-8879 http://www.luminarymicro.com
Company Information
Luminary Micro, Inc. designs, markets, and sells ARM Cortex-M3-based microcontrollers (MCUs). Austin, Texas-based Luminary Micro is the lead partner for the Cortex-M3 processor, delivering the world's first silicon implementation of the Cortex-M3 processor. Luminary Micro's introduction of the Stellaris(R) family of products provides 32-bit performance for the same price as current 8- and 16-bit microcontroller designs. With entry-level pricing at $1.00 for an ARM technology-based MCU, Luminary Micro's Stellaris product line allows for standardization that eliminates future architectural upgrades or software tool changes.
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RDK-IDM-L35-DS-00

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