Texas Instruments Stellaris LM3S818 User manual

Stellaris® LM3S818 controlCARD Module User’s Manual
November 17, 2011 3
Table of Contents
Chapter 1: Stellaris® LM3S818 controlCARD Module Overview..................................................................6
MDL-LM3S818CNCD Kit Contents.....................................................................................................................6
Compatibility Matrix ............................................................................................................................................7
Using the LM3S818 controlCARD Module .........................................................................................................7
Features..........................................................................................................................................................7
Board Dimensions...........................................................................................................................................7
Chapter 2: Hardware Description....................................................................................................................8
Functional Description ........................................................................................................................................9
Microcontroller and Interfaces (Schematic Page 2)........................................................................................9
Debug Interface, Virtual COM Port, and Isolators (Schematic Page 3)........................................................11
Chapter 3: Software Development ................................................................................................................13
Software Description.........................................................................................................................................13
Source Code.....................................................................................................................................................13
Tool Options .....................................................................................................................................................13
Programming the MDL-LM3S818CNCD controlCARD Module........................................................................14
Appendix A: Schematics................................................................................................................................15
Appendix B: Component Locations..............................................................................................................19
Appendix C: References ................................................................................................................................20

4November 17, 2011
List of Figures
Figure 1-1. MDL-LM3S818CNCD controlCARD Module...................................................................................6
Figure 2-1. Block Diagram.................................................................................................................................8
Figure 2-2. controlCARD Module Isolation ......................................................................................................12
Figure 2-3. controlCARD Module Jumpers......................................................................................................12
Figure B-1. Top-Side Component Location......................................................................................................19
Figure B-2. Bottom-Side Component Location ................................................................................................19

Stellaris® LM3S818 controlCARD Module User’s Manual
November 17, 2011 5
List of Tables
Table 1-1. Compatibility Matrix.........................................................................................................................7
Table 2-1. Signal Table ....................................................................................................................................9
Table 2-2. COM Port Pin Connections...........................................................................................................11

November 17, 2011 6
Stellaris® LM3S818 controlCARD Module Overview
The Stellaris® LM3S818 controlCARD module is a DIMM form-factor module that can be used
standalone or with a range of baseboards to accelerate evaluation and development.
Texas Instruments offers a range of controlCARD baseboards for motor and power-control
application. In most cases. these are available as complete kits that include a controlCARD
module and a baseboard. The Stellaris MDL-LM3S8

Stellaris® LM3S818 controlCARD Module User’s Manual
November 17, 2011 7
• Documentation specific to each supported baseboard
• CrossHairs control GUI Windows application
Tools CD(s)
–Texas Instruments' Code Composer Studio™ IDE
Compatibility Matrix
Table 1-1 shows which baseboards are compatible with the MDL-LM3S818CNCD controlCARD
module.
Using the LM3S818 controlCARD Module
To start using the controlCARD module as a standalone module, see the MDL-LM3S818CNCD
Read Me First document.
To start using the controlCARD module in conjunction with a Texas Instruments’ controlCARD
baseboard, see the Read Me First do

November 17, 2011 8
Hardware Description
In addition to an LM3S818 microcontroller, the controlCARD module includes some simple
multiplexing logic and an integrated Stellairs in-circuit debug interface (ICDI). This chapter
describes how the hardware interfaces to the microcontroller. Figure 2-1 shows the controlCARD
module block diagram.
Figure 2-1. Block Diagram
Stellaris
®
LM3S818
Microcontroller
Stellaris®
In-Circuit
Debug
Interface
(LM3S3601)
PWM0..5
USB

Stellaris® LM3S818 controlCARD Module User’s Manual
November 17, 2011 9
Functional Description
This section provides a detailed description of the LM3S818 controlCARD module hardware.
Microcontroller and Interfaces (Schematic Page 2)
LM3S818 Microcontroller
The Stellaris LM3S818 is an ARM Cortex-M3-based microcontroller with 64-KB flash memory, 8-
KB SRAM, 50-MHz operation, Motion control PWMs, and a wide range of other peripherals. Refer
to the LM3S818 data sheet for complete device details.
The LM3S818 microcontroller is factory-programmed with a simple quickstart demo program. The
quickstart program resides in on-chip flash memory and runs each time power is applied, unless
the quickstart has been replaced with a user program.
DIMM Edge Connector
Most of the Stellaris microcontroller GPIO signals are routed to the DIMM edge connector.
The controlCARD module is compatible with standard DIMM sockets, such as Molex Part number
87630-1001.
User LEDThe board also has a green User LED connected to GPIO PB6. This GPIO signal is also used to
control the multiplexing of the CCP (Timer) signals and may not be available in some baseboards
applications.
Signal Multiplexing
The DRV8312 and DRV8301 baseboards have Hall-inputs on different DIMM pins. U11
multiplexes these signals under the control of GPIO PB6.

Hardware Description
10 November 17, 2011
Reset The RESET signal into the LM3S818 microcontroller connects to an R-C network (R1/C8) and to
the ICDI circuit for a debugger-controlled reset.
External reset is asserted (active low) under any one of these conditions:
Power-on reset
By the ICDI circuit when instructed by the debugger (this capability is optional, and may not be
supported by all debuggers).
46 CCP2 31(DRV8301),
36(DRV8312) CAP3 CAP3
11 CCP4 29 DAC_PWM1 DAC_PWM1
41 TRSTn 99 TRSTn TRSTn
40 TCK 48 TCK TCK
39 TMS 49 TMS TMS
38 TDI 97 TDI TDI
37 TDO 98 TDO TDO
17 U0Rx 43 GPIO-28
(spare SCI

Stellaris® LM3S818 controlCARD Module User’s Manual
November 17, 2011 11
Power Supplies
The controlCARD module is typically powered by the baseboards via the DIMM edge connector.
When used as a standalone module, without a baseboard, install wire jumpers to support
USB-powered operation.
WARNING – Do not install the wire power links if the controlCARD module is installed in a
baseboard. Damage to the board may result. In hi

Hardware Description
12 November 17, 2011
Figure 2-2. controlCARD Module Isolation
The controlCARD module may be used without a baseboard. In order to power the non-isolated
circuitry, power must be bridged across the isolation barrier as shown in Figure 2-3.

November 17, 2011 13
Software Development
This chapter provides general information on software development as well as instructions for
Flash memory programming.
Software Description
The CD supplied with the controlCARD module includes the StellarisWare® Peripheral Driver
Library which contains a rich set of functions for developing software for the Stellaris
microcontroller and its on-chip peripherals.
The software includes a set of example applications that utilize the StellarisWare® Peripheral
Driver Library. These applications demonstrate the capabilities of the LM3S818 microcontroller, as
well as providing a starting point for developing user applications.
Source Code
The complete source code is included on the Development Kit CD. See your selected toolchain’s
Quickstart guide for information on how to install the source code and toolchain. The source code
and binary files are installed in the StellarisWare tree.
Tool Options
The source code installation includes directories containing projects and/or makefiles for the
following toolchains:
Keil ARM RealView® Microcontroller Development System
IAR Embedded Workbench for ARM
Sourcery CodeBench™ (RDP checking on full name for this product--however, not supported
now for controlCARD)
Code Red Technology Red Suite
Generic Gnu C compiler
Texas Instruments' Code Composer Studio™ IDE
Baseboards from Texas Instruments may not support all toolchain options.
Evaluation versions of these tools may be downloaded from www.ti.com/stellaris. Due to code size
restrictions, the evaluation tools may not build all example programs. A full license is necessary to
re-build or debug all examples.
Instructions for installing and using each of the evaluation tools can be found in each toolchain’s
Quickstart guide (for example, Quickstart-Keil, Quickstart-IAR) which are available for download
from the evaluation kit section of our web site at www.ti.com/stellaris.
For detailed information on using the tools, see the documentation included in the toolchain
installation or visit the website of the tools supplier.
CHAPTER 3

Software Development
14 November 17, 2011
Programming the MDL-LM3S818CNCD controlCARD
Module
The MDL-LM3S818CNCD software package includes pre-built binaries for each of the example
applications. If you installed StellarisWare to the default installation path (C:\StellarisWare), you
can find the example applications in "C:\StellarisWare\boards\mdl-lm3s818cncd". The on-board
Stellaris ICDI is used along with the Stellaris LM Flash Programmer tool to program applications
on the MDL-LM3S818CNCD board.
To program example applications into the MDL-LM3S818CNCD evaluation board using the
Stellaris ICDI:
1. Install LM Flash Programmer on a Windows PC.
2. Connect the USB cable A-plug to an available port on the PC and the miniB-plug to the board.
3. Verify that both power LEDs are lit. LED D4 indicates the status of the non-isolated
microcontroller power and LED D5 indicates the status of the isolated USB power.
4. Run LM Flash Programmer.
5. In the Configuration tab, use the Quick Set control to select LM3S811 Evaluation Board. Move
to the Program tab and click the Browse button. Navigate to the exampleapplications directory
(the default location is "C:\StellarisWare\boards\MDL-LM3S818CNCD).
6. Each example application has its own directory. Navigate into the example directory that you
want to load and then into the directory which contains the binary (*.bin) files. Select the binary
file and click Open.
7. Set the "Erase Method" to "Erase Necessary Pages", check the "Verify After Program" box,
and check "Reset MCU After Program."
8. Next, click the Program button to start the Erase, Download and Verify process. The DEBUG
ACTIVE LED (D1) on the board turns on at this time.
9. Program execution starts once Verify is complete.

November 17, 2011 15
Schematics
This section contains the schematics for the LM3S818 controlCARD module:
Stellaris Contents on page 16
Stellaris MCU on page 17
Stellaris ICDI on page 18
APPENDIX A

1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
Document Number: Rev
SheetDate: of
10/27/2011 **
B
Designer:
Drawn by:
Approved:
Drawing Title:
Page Title:
Size
JW
JW
JAG MDL-LM3S818CNCD
Stellaris LM3S818 ControlCard
Title Page
B
108 Wild Basin Rd.
Suite 350
Austin, TX 78746
TI Stellaris MCU
Notes - Unless otherwise noted
1. Resistances values in Ohms
2. Capacitance values in microfarads (uF)
3. All 0.1uF and 0.01uF capactors are decoupling and should be placednear the IC they are shown wit
h
Page 2 - Stellaris - Edge Connector
Page 3 - USB Debugger - Isolation
Page 1 - Title - Index - Revisions
Revision Date Description
A Aug 15, 11 Internal Prototype
B Oct 27, 11 Release to production.
Stellaris Contents

1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
Document Number: Rev
SheetDate: of
10/27/2011 **
B
Designer:
Drawn by:
Approved:
Drawing Title:
Page Title:
Size
JW
JW
*MDL-LM3S818CNCD
Stellaris LM3S818 ControlCard
Stellaris MCU
B
108 Wild Basin Rd.
Suite 350
Austin, TX 78746
TI Stellaris MCU
PWM5
PWM3
PWM1
ADC4
ADC0
PWM4
PWM2
PWM0
ADC3
ADC5
ADC2
ADC1_NO
ADC5
ADC4
ADC3
ADC2
ADC1
ADC0
PWM5
CCP0
PD3
PWM1
PWM0
TDO
TDI
TMS
TCK
PB6
U0Tx
U0Rx
TDO
TDI
U0Tx
IDX
PhB
CAP2/SDO
Fault
PD2
PB5
TMS
TCK
U0Rx
PhA
CCP4
PD3
CCP4
PhB
CCP1
PhA
PB5
PB4
Fault
IDX
PWM3
PWM2
PWM4
CCP2
PD2
CAP1
CAP1/SDI
CAP2
CAP2/SDO
CAP3
CAP3/SCLK
CCP0
CCP1
CCP2
CAP1/SDI
CAP2/SDO
CAP3/SCLk
CAP1
CAP1/SDI
CAP2 CAP3
CAP3/SCLK
SSIFss
SSIFss
PB6
ADC1_NC
PB4
ADC1

1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A

November 17, 2011 19
Component Locations
Figure B-1 shows the plot of the top-side component location and Figure B-2 shows the plot of the
bottom-side component location.
Figure B-1. Top-Side Component Location
Figure B-2. Bottom-Side Component Location

November 17, 2011 20
References
In addition to this document, the following references are included on the Stellaris controlCARD
Development Kit CD and are also available for download at www.ti.com/stellaris:
Stellaris® LM3S818 controlCARD Module (MDL-LM3S818CNCD) User's Manual, publication
MDL-LM3S818CNCD-UM
 Stellaris® Development and Evaluation Kits for Code Composer Studio™ Quickstart Guide
Stellaris® LM3S818 Microcontroller Data Sheet, publication DS-LM3S818
StellarisWare Driver Library
StellarisWare Driver Library User's Manual, publication SW-DRL-UG
Stellaris® DK-LM3S-DRV8312 InstaSPIN™-BLDC README First, publication
DK-LM3S-DRV8312-RMF
Medium Voltage Digital Motor Control Kit for Stellaris® Microcontrollers (DK LM3S DRV8312)
Baseboard Hardware Reference Guide, publication DK-LM3S-DRV8312-RG
Three-Phase PWM Motor Driver (DRV8312) Data Sheet, publication SLES256
Sensorless Trapezoidal Control of BLDC Motors Using BEMF Integration (InstaSPIN™ BLDC)
on Stellaris® Microcontrollers Application Note, publication AN01289
Information on development tool being used:
Texas Instruments’ Code Composer Studio™ IDE web site, www.ti.com/ccs
APPENDIX C