Texas Instruments MSP430FR6989 LaunchPad, User Manual

Page: 8 / 41

Hardware
www.ti.com
2.2.2 eZ-FET Onboard Emulator With EnergyTrace™ Technology
To keep development easy and cost effective, TI's LaunchPad Development Kits integrate an onboard
emulator, which eliminates the need for expensive programmers. The MSP-EXP430FR6989 has the eZ-
FET emulator (see
Figure 5 ), which is a simple and low-cost debugger that supports all MSP430 device
derivatives.
Figure 5. eZ-FET Emulator
The MSP-EXP430FR6989 LaunchPad features full Ener+ technology. The EnergyTrace
functionality varies across the MSP portfolio, shown in
Table 1 .
Table 1. EnergyTrace Technology
Features EnergyTrace™ Technology Ener+™ Technology
Current Monitoring Yes Yes
CPU State No Yes
Peripheral and System State No Yes
Devices Supported All MSP430 MCUs MSP430FR59xx and FR69xx MCUs
Development Tool Required MSP-FET or eZ-FET MSP-FET or eZ-FET
The eZ-FET also provides a "backchannel" UART-over-USB connection with the host, which can be very
useful during debugging and for easy communication with a PC. The provided UART supports hardware
flow control (RTS and CTS), although by default these signals are not connected to the target.
In Figure 5 , the dotted line through J101 divides the eZ-FET emulator from the target area. The signals
that cross this line can be disconnected by jumpers on J101, the isolation jumper block. More details on
the isolation jumper block are in
Section 2.2.3 .
The eZ-FET hardware can be found in the schematics in Section 6 and in the MSP-EXP430FR6989
Hardware Design Files . The software and more information about the debugger can be found on the eZ-
FET wiki.
8 MSP430FR6989 LaunchPad™ Development Kit (MSP ‑ EXP430FR6989) SLAU627A – May 2015 – Revised July 2015
Submit Documentation Feedback
Copyright © 2015, Texas Instruments Incorporated