Cn12 Trace Debugging Connector; Cn15 Tag Connector; Table 36. Cn12 Trace Debugging Connector; Table 37. Cn15 Tag Debugging Connector - ST STM32L4R9I-EVAL User Manual

UM2248
7.10

CN12 trace debugging connector

Pin
number
1
3
5
7
9
11
13
15
17
19
7.11

CN15 TAG connector

.
Terminal
1
3
5
7
9

Figure 18. CN12 ETM trace debugging connector (top view)

19 17 15 13
20 18 16 14

Table 36. CN12 trace debugging connector

Description
+3.3 V
GND
GND
KEY
GND
GND
GND
GND
GND
GND

Table 37. CN15 TAG debugging connector

Function / MCU port
VDD
GND
GND
NC
TRST (PB4)
UM2248 Rev 4
11 9 7 5 3
12 10 8 6 4
Pin
number
2
4
6
8
10
12
14
16
18
20
Terminal
2
4
6
8
10
Connectors
1
2
MS30722V2
Description
TMS/PA13
TCK/PA14
TDO/PB3
TDI/PA15
RESET#
Trace_CLK/PE2
Trace_D0/PC9 or SWO/PB3
Trace_D1/PC10 or nTRST/PB4
Trace_D2/PE5
Trace_D3/PE6
Function / MCU port
SWDIO/TMS (PA13)
SWDCLK/TCK (PA14)
SWO/TDO (PB3)
TDI (PA15)
RESET#
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