JTAG/serial wire debug (SWD) specific features:
1.65 V to 3.6 V application voltage support on the JTAG/SWD interface and 5 V tolerant inputs
JTAG cable for connection to a standard JTAG 20-pin 2.54 mm pitch connector
JTAG support
SWD and serial wire viewer (SWV) communication support