Hardware
Other USB-equipped MSP430 families include the smaller F550x family and the larger F563x, F663x,
F565x, and F665x families.
To compare the various MSP430 derivatives, download the
available from http://www.ti.com/msp430. The brochure has a table that lets you see at a glance how the
families compare and their pricing. This document is frequently updated as new MSP430 derivatives
become available.
2.2.2
eZ-FET lite Onboard Emulator
To simplify development and keep the user's costs low, TI's LaunchPad development tools integrate an
emulator for programming and debugging. The F5529 LaunchPad has the new eZ-FET lite emulator (see
Figure
10).
The dotted line along the bottom of the image divides the emulator area from the target area. (On the
board, the power and hub area that is shown in
The eZ-FET lite is simple and low cost. Like the emulator on the G2 LaunchPad (MSP-EXP430G2), it
provides a "backchannel" UART-over-USB connection with the host, which can be very useful during
debugging. But unlike the G2's emulator, it:
•
supports almost all MSP430 derivatives
•
has a configurable backchannel UART baudrate
•
is completely open source!
The hardware and firmware designs are both available for you to customize. Further details and source
can be found on http://processors.wiki.ti.com/index.php/EZ-FET_lite.
The eZ-FET lite needs a host-side interface. TI provides the "MSP430 DLL", through which PC
applications can access the eZ-FET lite. Such applications include IAR or CCS software environments,
MSP430Flasher, Elprotronic's FET-Pro430, mspgcc, and Energia. These solutions generally bundle the
DLL.
On Windows, the MSP430 DLL is a DLL file, while on Linux it is a *.so file. Like the rest of the eZ-FET lite
solution, the DLL is open source.
Mac OS X has a limitation that prevents it from enumerating composite USB devices that include a CDC
interface. For this reason, the eZ-FET lite currently does not work with the default OS X.
The eZ-FET lite works with almost all MSP430 target devices. If you want to work with a different target
than the F5529 device on the F5529 LaunchPad, you can disconnect the F5529 using the isolation jumper
block and wire your hardware to the emulator through this block.
14
MSP-EXP430F5529LP LaunchPad™ Development Kit User's Guide
Figure 10. eZ-FET lite Emulator
Figure 8
Copyright © 2013–2014, Texas Instruments Incorporated
MSP430 Product
Brochure, which is also
is grouped with the emulator.)
SLAU533B – September 2013 – Revised June 2014
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