Energy micro EFM32-G8XX-STK, User Manual

Page: 15 / 40

...the world's most energy friendly microcontrollers
2010-11-12 - t0008_1.01 15
www.energymicro.com
10.3 Debug connector
This connector is used for Debug In and Debug Out (see Debug chapter). The pinout is described in
the table.
Table 10.5. Debug connector pinout
Pin
number Function Note
1 VTARGET Target voltage on the debugged application.
2 NC
3 /TRST JTAG tap reset
4 GND
5 TDI JTAG data in
6 GND
7 TMS/SWDIO JTAG TMS or Serial Wire data I/O
8 GND
9 TCK JTAG TCK or Serial Wire clock
10 GND
11 RTCK JTAG RTCK
12 GND
13 TDO/SWO JTAG TDO or Serial Wire Output
14 GND
15 /RESET Target MCU reset
16 GND
17 PD This pin has a 100k pulldown.
18 Cable detect This signal must be pulled to ground by the external debugger or application for cable
insertion detection.
19 PD This pin has a 100k pulldown.
20 GND