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Figure 59-15. 20-pin IDC JTAG Connector
1
20-pin IDC JTAG Connector
V
DD
VCC
NC
NC
SWDIO
SWDCLK
NC
NC
RESET
NC
NC
NC
GND
GND
GND
GND
GND
GND*
GND*
GND*
GND*
RESET
SWCLK
SWDIO
GND
Table 59-8. 20-pin IDC JTAG Connector
Header Signal Name Description
SWDCLK Serial wire clock pin
SWDIO Serial wire bidirectional data pin
RESET Target device reset pin, active low
VCC Target voltage sense, should be connected to the device V
DD
GND Ground
GND* These pins are reserved for firmware extension purposes. They can be left
unconnected or connected to GND in normal debug environment. They are not
essential for SWD in general.
59.7.3 Trace (CoreSight 20) Connector
The Trace Port Interface Unit (TPIU) takes data from the Embedded Trace Module (ETM) and allows
debugger communication to ETM. The following figure shows the connection diagram.
SAM D5x/E5x Family Data Sheet
Schematic Checklist
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 2108