Table 25.
ETM trace debugging connector CN8
Pin number
Description
Pin number
Description
1
+3.3V
2
TMS/PA13
3
GND
4
TCK/PA14
5
GND
6
TDO/PB3
7
KEY
8
TDI/PA15
9
GND
10
RESET#
11
GND
12
TraceCLK/PE2
13
GND
14
TraceD0/PE3 or SWO/PB3
15
GND
16
TraceD1/PE4 or nTRST/PB4
17
GND
18
TraceD2/PE5
19
GND
20
TraceD3/PE6
7.8
JTAG/SWD connector CN9
Figure 11.
JTAG/SWD debugging connector CN9 (top view)
19
20
18
17
15
16
13
14
11
12
10
9
8
7
6
5
4
3
1
2
Table 26.
JTAG/SWD debugging connector CN9
Pin number
Description
Pin number
Description
1
+3.3V
2
+3.3V
3
TRST(PB4)
4
GND
5
TDI(PA15)
6
GND
7
TMS/SWDIO(PA13)
8
GND
9
TCK/SWCLK(PA14)
10
GND
11
RTCK
12
GND
13
TDO/SWO(PB3)
14
GND
15
RESET#
16
GND
17
DBGRQ(PJ7)
18
GND
19
DBGACK(PJ12)
20
GND
UM2525
JTAG/SWD connector CN9
UM2525
-
Rev 3
page 28/69
