
7.7
JTAG connector
7.7.1
JTAG connector
The CN17 header 10x2-pin 2.54 mm pitch connector can output JTAG signals used to debug.
describes the hardware configuration for the JTAG function.
Table 12.
Hardware I/O configuration for the JTAG function on CN17 connector
I/O
Solder
bridge
Setting
Comment
PA13
-
-
PA13 is connected to JTAG JTMS or SWD SWDIO.
PA14
-
-
PA14 is connected to JTAG JTCK or SWD SWCLK.
PA15
SB15
ON
PA15 is connected to JTAG JTDI.
OFF
PA15 is NOT connected to JTAG.
PA15 can be used for UCPB.
PB3
SB114
ON
PB3 is connected to JTAG JTDO or SWD SWO.
OFF
PB3 is NOT connected to JTAG or SWD.
PB3 can be used for Audio MEMS
PB4
SB32
ON
PB4 can be used for the JTAG TRSTN
OFF
PB4 is NOT connected to JTAG.
PB4 can be used for audio MEMS, comparator, or STMod+.
NRST
-
ON
NRST is used to reset the target.
1. The default configuration is shown in bold.
shows the CN17 JTAG connector pinout.
Figure 13.
CN17 JTAG connector pinout
STM32U575I-EV
JTAG connector
UM2854
-
Rev 1
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