8.2 Debug Modes
Programming external devices is done by connecting to a target board through the provided Debug IN/OUT Connector, and by setting
the debug mode to [Out]. The same connector can also be used to connect an external debugger to the EZR32 Wireless MCU on the
kit, by setting debug mode to [In].
Selecting the active debug mode is done in Simplicity Studio.
Debug MCU: In this mode the on-board debugger is connected to the EZR32 on the kit.
Debug OUT: In this mode, the on-board debugger can be used to debug a supported Silicon Labs device mounted on a custom board.
Debug IN: In this mode, the on-board debugger is disconnected, and an external debugger can be connected to debug the EZR32 on
the kit.
silabs.com | Building a more connected world.
Board
Host
USB
Controller
Computer
Figure 8.1. Debug MCU
Board
Host
USB
Controller
Computer
Figure 8.2. Debug OUT
Board
Host
USB
Controller
Computer
Figure 8.3. Debug IN
UG190: EZR32HG 868 MHz 16 dBm Wireless Starter Kit User's Guide
RADIO BOARD
External
Hardware
DEBUG HEADER
RADIO BOARD
External
Hardware
DEBUG HEADER
RADIO BOARD
External Debug Probe
DEBUG HEADER
On-Board Debugger
Rev. 1.01 | 27
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