Texas Instruments LAUNCHXL-F28069M User manual

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LAUNCHXL-F28069M Overview
User's Guide
SPRUI11B–January 2015–Revised March 2019
LAUNCHXL-F28069M Overview
Contents
1 Introduction ................................................................................................................... 2
2 Kit Contents................................................................................................................... 3
3 Installation .................................................................................................................... 3
4 Getting Started With the LAUNCHXL-F28069M......................................................................... 4
5 Hardware Configuration..................................................................................................... 5
6 LAUNCHXL-F28069M Hardware.......................................................................................... 9
7 Frequently Asked Questions (FAQ)...................................................................................... 22
8 References.................................................................................................................. 23
List of Figures
1 LAUNCHXL-F28069M Board Overview .................................................................................. 3
2 USB Serial Port .............................................................................................................. 5
3 Boot Switch Orientation..................................................................................................... 6
4 LAUNCHXL-F28069_B_1400922 Block Diagram Schematic ........................................................ 11
5 LAUNCHXL-F28069_B_1400922 USB to JTAG Schematic ......................................................... 12
6 LAUNCHXL-F28069_B_1400922 F28069_A Schematic ............................................................. 13
7 LAUNCHXL-F28069_B_1400922 F28069_B Schematic ............................................................. 14
8 LAUNCHXL-F28069_B_1400922 Connector Schematic ............................................................. 15
9 LAUNCHXL-F28069_B_1400922 Logic Choice Schematic.......................................................... 16
10 LAUNCHXL-F28069_B_1400922 Power Schematic.................................................................. 17
11 Top Silk...................................................................................................................... 18
12 Top Copper ................................................................................................................. 18
13 Inner Copper 1.............................................................................................................. 18
14 Inner Copper 2.............................................................................................................. 18
15 Bottom Silk.................................................................................................................. 18
16 Bottom Copper.............................................................................................................. 18
List of Tables
1 Serial Connectivity........................................................................................................... 6
2 S1 Boot Mode Settings ..................................................................................................... 7
3 F28069M LaunchPad Pin Out and Pin Mux Options - J1, J3.......................................................... 9
4 F28069M LaunchPad Pin Out and Pin Mux Options - J4, J2.......................................................... 9
5 F28069M LaunchPad Pin Out and Pin Mux Options - J5, J7 ........................................................ 10
6 F28069M LaunchPad Pin Out and Pin Mux Options - J8, J6 ........................................................ 10
7 LAUNCHXL-F28069M Bill of Materials.................................................................................. 19

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Trademarks
C2000, Piccolo, LaunchPad, Code Composer Studio are trademarks of Texas Instruments.
Windows is a registered trademark of Microsoft Corporation in the United States and/or other countries.
All other trademarks are the property of their respective owners.
1 Introduction
The C2000™ Piccolo™ LaunchPad™, LAUNCHXL-F28069M, is a complete low-cost development board
for the Texas Instruments Piccolo F2806x devices and InstaSPIN technology. The LAUNCHXL-F28069M
kit features all the hardware and software necessary to develop applications based on the F2806x
microprocessor. The LaunchPad is based on the superset F28069M device, and easily allows users to
migrate to lower cost F2806x devices once the design needs are known. It offers an on-board JTAG
emulation tool allowing direct interface to a PC for easy programming, debugging, and evaluation. In
addition to JTAG emulation, the USB interface provides a universal asynchronous receiver/transmitter
(UART) serial connection from the F2806x device to the host PC.
Users can download an unrestricted version of Code Composer Studio™ IDE to write, download, and
debug applications on the LAUNCHXL-F28069M board. The debugger is unobtrusive, allowing the user to
run an application at full speed with hardware breakpoints and single stepping available while consuming
no extra hardware resources.
As shown in Figure 1, the LAUNCHXL-F28069M C2000 LaunchPad features include:
• USB debugging and programming interface via a high-speed galvanically isolated XDS100v2 debug
probe featuring a USB/UART connection
• Superset F28069M device that allows applications to easily migrate to lower cost devices
• Two user LEDs
• Device reset pushbutton
• Easily accessible device pins for debugging purposes or as sockets for adding customized extension
boards
• InstaSPIN library in ROM, allowing implementation of InstaSPIN-MOTION and InstaSPIN-FOC
solutions
• Dual 5 V quadrature encoder interfaces
• CAN Interface with integrated transceiver
• Boot selection switches

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Figure 1. LAUNCHXL-F28069M Board Overview
2 Kit Contents
The LAUNCHXL-F28069M LaunchPad experimenter kit includes the following items:
• C2000 LaunchPad Board (LAUNCHXL-F28069M)
• Mini USB-B Cable, 0.5m
• Quick Start Guide
2.1 Revisions
The first and only production released of the LAUNCHXL-F28069M in 2014 was revision 1.2.
All Revisions:
• Resistor R7 in the oscillator circuit is incorrectly placed or should not be installed. This resistor may
impact startup time or robustness of the clocking circuit over the full operating range of the MCU or
different physical layouts of this circuit. The probability is low that this resistor will have any impact on
the functionality of this EVM as is not intended to be operated outside of Standard Temperature and
Pressure in a lab or prototype environment. Do not use this circuit as reference. For more information
on the Follow the requirements for the oscillator schematic, see the device-specific data sheet.
3 Installation
The F28069M LaunchPad is supported in both Code Composer Studio and Energia. Depending on your
tools preference you may wish to install one or the other or both.
3.1 Energia
Go to Energia.nu and and click on the Guide tab. Click on the link for your operating system and follow the
directions to install Energia.

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3.2 Code Composer Studio
3.2.1 Download the Required Software
Code Composer Studio IDE (www.ti.com/ccs) is available for free without any restriction when used with
the XDS100v2 debug probe on the C2000 LaunchPad. Drivers, examples, and other support software
needed to get started are distributed through C2000Ware (www.ti.com/tool/c2000ware) and controlSUITE
(www.ti.com/tool/controlsuite). C2000Ware is the recommended download for new installations.
For InstaSPIN motor control projects, install and run the latest version of MotorWare.exe
(www.ti.com/motorware). In the window that opens, under Resources, follow the Kit Readme and GUI
Quick Start Guide for the LAUNCHXL-F28069M.
3.2.2 Install the Software
Once downloaded, install Code Composer Studio and C2000Ware or controlSUITE.
3.2.3 Install the Hardware
After Code Composer Studio is installed, plug the supplied USB cable into the C2000 LaunchPad board
and into an available USB port on your computer.
Windows®will automatically detect the hardware and ask you to install software drivers. Let Windows run
a search for the drivers and automatically install them. After Windows successfully installs the drivers for
the integrated XDS100v2 debug probe, your LaunchPad is now ready for use.
NOTE: If the USB Serial COM Port is not identified by the computer, reprogram the XDS100v2
EEPROM using these instructions.
4 Getting Started With the LAUNCHXL-F28069M
4.1 Getting Started
The first time the LAUNCHXL-F28069M is used, a demo application automatically starts when the board is
powered from a USB host. If your board does not start the demo application, try placing S1 in the following
positions and resetting the board: UP - UP - DOWN. To start the demo, connect the LAUNCHXL-
F28069M with the included mini-USB cable to a free USB port. The demo application starts with the LEDs
flashing to show the device is active.
4.2 Demo Application, Internal Temperature Measurement
The LAUNCHXL-F28069M includes a pre-programmed TMS320F28069M device. When the LaunchPad is
connected via USB, the demo starts with an LED flash sequence. After a few seconds the device switches
into a temperature measurement mode.
A reference temperature is taken at the beginning of this mode and the LEDs of the LaunchPad are used
to display any difference between the current temperature and the reference temperature. If the device
gets warmer than the reference temperature the red LED is lit with an intensity proportional to the
temperature difference. However, if the device cools down compared to the reference temperature, a blue
LED is lit in the same fashion.
In addition to the LED display, temperature information is also displayed on your PC through the
USB/UART connection. To view the UART information on your PC, first figure out the COM port
associated with the LaunchPad. To do this in Windows, right click on My Computer and click on
Properties. In the dialog box that appears, click on the Hardware tab and open Device Manager. Look for
an entry under Ports (COM & LPT) titled "XDS100 Class USB Serial Port (COMX)", where X is a number.

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Figure 2. USB Serial Port
NOTE: If the USB Serial COM Port is not identified by the computer, reprogram the XDS100v2
EEPROM using these instructions.
Remember this number for when you open a serial terminal. The demo applications UART data was
written and debugged using PuTTY, and for the best user experience we recommend you use PuTTY to
view the UART data. PuTTY can be downloaded from the following URL:
http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
Open your serial terminal program and open the COM port you found previously in device manager with
the following settings: 115200 Baud, 8 data bits, no parity, 1 stop bit. After opening the serial port in your
serial terminal, reset the Launchpad with the reset push button and observe the serial terminal for a
surprise.
4.3 Program and Debug the Temperature Measurement Demo Application
The project and associated source code for the C2000 Piccolo LaunchPad demo is included in the
controlSUITE software package and should automatically be found by the TI Resource Explorer in Code
Composer Studio v6. In the resource explorer, open the controlSUITE folder and then the Development
Tools entry and look for the C2000 LaunchPad line item. Expand this item and LAUNCHXL-F28069M,
then select the LaunchPad Demo Application. Follow the steps in the main pane of the resource explorer
to import, build, debug, and run this application.
5 Hardware Configuration
The F28069M LaunchPad gives users several options as to how to configure the board.
5.1 Power Domain
The F28069M LaunchPad has several different power domains to enable JTAG isolation. Jumpers JP1,
JP2, JP3, JP4, and JP5 configure where power is passed.
Jumper Power Domain
JP1 Enable 3.3 V from USB (disables isolation)
JP2 Enable GND from USB (disables isolation)
JP3 Enable 5 V switcher (powered off 3.3 V supply of target device)
JP4 Connects target MCU 3.3 V to second set of BoosterPack
headers
JP5 Connects target MCU 5 V to second set of BoosterPack headers

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5.2 Serial Connectivity
The LAUNCHXL-F28069M has a USB to UART adapter built in. This makes it easy to print debug
information back to the host PC even in isolated environments. The F28069M device on this LaunchPad
contains two SCI (UART) peripherals, while the LaunchPad has three places these peripherals need to be
routed. Because of this, a serial connectivity mux has been added to the board to make configuration of
the SCI routing easy. Routing is configured via two jumpers (JP6 and JP7). Configure the jumpers as
shown in Table 1 for the serial connectivity you desire.
Table 1. Serial Connectivity
MUX_SEL
(JP7) CH_SEL(JP 6) Function
ON ON USB/UART Disabled; J1.3 and J1.4 – GPIO28 and GPIO29; J7.3 and J7.4 – GPIO15 and GPIO58
ON OFF USB/UART – GPIO28 and GPIO29, J1.3 and J1.4 – Hi-Z; J7.3 and J7.4 – GPIO15 and GPIO58
OFF ON USB/UART – GPIO15 and GPIO58; FAULT/OCTW – GPIO28 and GPIO29; J7.3 and J7.4 – Hi-Z
OFF OFF USB/UART – GPIO15 and GPIO58; FAULT/OCTW – GPIO28 and GPIO29; J7.3 and J7.4 – Hi-Z
NOTE: If the USB Serial COM Port is not identified by the computer, reprogram the XDS100v2
EEPROM using these instructions.
5.3 Boot Mode Selection
The LaunchPad's F28069M device includes a boot ROM that performs some basic start-up checks and
allows for the device to boot in many different ways. Most users will either want to perform an emulation
boot or a boot to flash (if they are running the application standalone). S1 has been provided to allow
users to easily configure the pins that the boot ROM checks to make this decision.
Figure 3. Boot Switch Orientation

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The boot modes shown in Table 2 can be selected using S1:
Table 2. S1 Boot Mode Settings
Boot Mode S1-Switch 1 (GPIO34) H = Pulled to 1
L = Pulled to 0
S1-Switch 2 (GPIO37 / TDO)
H = Pulled to 1
L = Pulled to 0
S1-Switch 3 (TRSTn)
H = XDS100v2 (1)
L = Tied to 0
Emulation Boot (2) L H H
Parallel IO L L L
SCI H L L
Wait L H L
GetMode H H L
(1) TRSTn is controlled by the XDS100v2 when Switch 3 is set to the H position. While connected to the device, TRSTn is driven to
1 by the XDS100v2. While disconnected from the device, TRSTn is pulled to 0.
(2) When the board is first powered on through the XDS100v2 USB port, the device will boot before the user can connect to the
device. Therefore, Switch 1 and Switch 2 should be configured to the Wait boot mode to hold the CPU in a safe state until the
user can connect to the device.
NOTE: The USB debugger cannot connect to the device when S1-Switch 3 is placed in the L
position because TSRTn is disconnected from the XDS100v2.
More information about boot mode selection can be found in the Boot ROM section of the TMS320x2806x
Piccolo technical reference guide.
5.4 Connecting a Crystal
Although the Piccolo device present on the LAUNCHXL-F28069M has an internal oscillator — and for
most applications this is sufficient — the LaunchPad offers a footprint for through-hole HC-49 crystals for
users who require a more precise clock. If you wish to use an external crystal, solder the crystal to the Q1
footprint and appropriate load capacitors to the C3 and C4 footprints. You also need to configure the
device to use the external oscillator in software.
5.5 Connecting a BoosterPack
The F28069M LaunchPad is the perfect experimenter board to start hardware development with the
F2806x devices. All of the connectors are aligned in a 0.1-in (2.54-mm) grid to allow easy and inexpensive
development of add on boards called BoosterPacks. These satellite boards can access all of the GPIO
and analog signals. The the pin out of the connectors can be found in Section 5.

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5.6 Device Migration Path
Applications developed on the LAUNCHXL-F28069M can easily be migrated to any of these lower cost
devices in the F2806x family:
Part Number Description
TMS320F28069 32-Bit Real Time Microcontroller, 90 MHz, 256KB Flash, 100KB RAM
TMS320F28069F 32-Bit Real Time Microcontroller, 90 MHz, 256KB Flash, 96KB RAM
TMS320F28069M 32-Bit Real Time Microcontroller, 90 MHz, 256KB Flash, 96KB RAM
TMS320F28068 32-Bit Real Time Microcontroller, 90 MHz, 256KB Flash, 100KB RAM
TMS320F28068F 32-Bit Real Time Microcontroller, 90 MHz, 256KB Flash, 96KB RAM
TMS320F28068M 32-Bit Real Time Microcontroller, 90 MHz, 256KB Flash, 96KB RAM
TMS320F28067 32-Bit Real Time Microcontroller, 90 MHz, 256KB Flash, 100KB RAM
TMS320F28066 32-Bit Real Time Microcontroller, 90 MHz, 256KB Flash, 68KB RAM
TMS320F28065 32-Bit Real Time Microcontroller, 90 MHz, 128KB Flash, 100KB RAM
TMS320F28064 32-Bit Real Time Microcontroller, 90 MHz, 128KB Flash, 100KB RAM
TMS320F28063 32-Bit Real Time Microcontroller, 90 MHz, 128KB Flash, 100KB RAM
TMS320F28062 32-Bit Real Time Microcontroller, 90 MHz, 128KB Flash, 52KB RAM
TMS320F28062F 32-Bit Real Time Microcontroller, 90 MHz, 128KB Flash, 52KB RAM

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6 LAUNCHXL-F28069M Hardware
6.1 Device Pin Out
The F28069M LaunchPad is not 100% compatible with the BoosterPack Standard pin out. to verify compatibility between a BoosterPack and this
LaunchPad, consult both the tables below as well as the pin out requirements of the BoosterPack. TI provides a tool that can help ease this
process. Use the Ti BoosterPack Checker tool. Some existing BoosterPacks can be used, or one can be created.
Table 3 through Table 6 lists the pin out and pin mux options for the C2000 LaunchPad.
The F28069M LaunchPad is not 100% compatible with the BoosterPack Standard pin out. to verify compatibility between a BoosterPack and this
LaunchPad, consult both the tables below as well as the pin out requirements of the BoosterPack. TI provides a tool that can help ease this
process. Use the TI BoosterPack Checker tool. Some existing BoosterPacks can be used, or one can be created.
Table 3. F28069M LaunchPad Pin Out and Pin Mux Options - J1, J3
Mux Value
J1 Pin J3 Pin
Mux Value
3 2 1 0 0 1 2 3
+3.3V 1 21 +5V
ADCINA6 2 22 GND
J1.3 3 23 ADCINA7
J1.4 4 24 ADCINB1
SPISIMOB SCITXDA TZ1 GPIO12 5 25 ADCINA2
ADCINB6 6 26 ADCINB2
XCLKOUT SCITXDB SPICLKA GPIO18 7 27 ADCINA0
SCITXDB MCLKXA EQEP1S GPIO22 8 28 ADCINB0
ADCSOCBO EPWMSYNCO SCLA GPIO33 9 29 ADCINA1
ADCSOCAO EWPMSYNCI SDAA GPIO32 10 30 NC
Table 4. F28069M LaunchPad Pin Out and Pin Mux Options - J4, J2
Mux Value
J4 Pin J2 Pin
Mux Value
3 2 1 0 0 1 2 3
Rsvd Rsvd EPWM1A GPIO0 40 20 GND
COMP1OUT Rsvd EPWM1B GPIO1 39 19 GPIO19 SPISTEA SCIRXDB ECAP1
Rsvd Rsvd EPWM2A GPIO2 38 18 GPIO44 MFSRA SCIRXDB EPWM7B
COMP2OUT SPISOMIA EPWM2B GPIO3 37 17 NC
Rsvd Rsvd EPWM3A GPIO4 36 16 RESET#
ECAP1 SPISIMOA EPWM3B GPIO5 35 15 GPIO16 SPISIMOA Rsvd TZ2
SPISOMIB Rsvd TZ2 GPIO13 34 14 GPIO17 SPISOMIA Rsvd TZ3

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Table 4. F28069M LaunchPad Pin Out and Pin Mux Options - J4, J2 (continued)
Mux Value
J4 Pin J2 Pin
Mux Value
3 2 1 0 0 1 2 3
NC 33 13 GPIO50 EQEP1A MDXA TZ1
DAC1 32 12 GPIO51 EQEP1B MDRA TZ2
DAC2 31 11 GPIO55 SPISOMIA EQEP2B HRCAP2
Table 5. F28069M LaunchPad Pin Out and Pin Mux Options - J5, J7
Mux Value
J5 Pin J7 Pin
Mux Value
3 2 1 0 0 1 2 3
+3.3 V 41 61 +5 V
NC 42 62 GND
J7.3 43 63 ADCINB7
J7.4 44 64 ADCINB4
COMP1OUT MDXA EQEP1A GPIO20 45 65 ADCINA5
NC 46 66 ADCINB5
SPICLKB SCITXDB TZ3 GPIO14 47 67 ADCINA3
COMP2OUT MDRA EQEP1B GPIO21 48 68 ADCINB3
SCIRXDB MFSXA EQEP1I GPIO23 49 69 ADCINA4
HRCAP1 EQEP2A SPISIMOA GPIO54 50 70 NC
Table 6. F28069M LaunchPad Pin Out and Pin Mux Options - J8, J6
Mux Value
J8 Pin J6 Pin
Mux Value
3 2 1 0 0 1 2 3
EPWMSYNCO EPWMSYNCI EPWM4A GPIO6 80 60 GND
ECAP2 SCIRXDA EPWM4B GPIO7 79 59 GPIO27 HRCAP2 EQEP2S SPISTEB
ADCSOCAO Rsvd EPWM5A GPIO8 78 58 GPIO26 ECAP3 EQEP2I SPICLKB
ECAP3 SCITXDB EPWM5B GPIO9 77 57 NC
ADCSOCBO Rsvd EPWM6A GPIO10 76 56 RESET#
ECAP1 SCIRXDB EPWM6B GPIO11 75 55 GPIO24 ECAP1 EQEP2A SPISIMOB
NC 74 54 GPIO25 ECAP2 EQEP2B SPISOMIB
NC 73 53 GPIO52 EQEP1S MCLKXA TZ3
DAC3 72 52 GPIO53 EQEP1I MFSXA Rsvd
DAC4 71 51 GPIO56 SPICLKA EQEP2I HRCAP3