CPU_45B-V1
CPU Board XMC4500 SDRAM
Hardware Description
Board User's Manual
15
Revision 1.0, 2013-02-20
2.5.1
On-board USB Debugger
The on-board debugger [1] supports
Serial Wire Debug
Serial Wire Viewer [2]
Full Duplex UART communication via a USB Virtual COM
[1] Newer firmware versions of the on-board debugger require the latest J-Link driver (V4.62 or higher) and a
Serial Port Driver (CDC driver) installed on your com
puter. Please check “Install J-Link Serial Port Driver”
when installing the latest J-Link driver (see Figure 9)
[2] Serial Wire Viewer operation does not work during use of the on-board SDRAM.
Figure 9
Installation of Serial Port Driver
The on-board debugger can be accessed through the Debug USB connector shown in Figure 10. The Debug
LED V502 shows the status during debugging.
Figure 10
On-Board USB Debugger
When using an external debugger connected to the 10pin/20pin Cortex Debug Connector, the on-board
debugger is switched off.
When using the USB virtual COM port function of the on-board debugger (connected to P1.4 and P1.5 of the
XMC4500) the UART interface to the COM satellite is disabled through the switches U301 and U306.
Debug.emf
Debug USB
On-board
Debugger
Debug LED
