SWD
Summary
- SWD Pins
SWD pins
- SWCLK: Clock into the core
- SWDIO: Data in / out
JTAG and SWD are similar and can be interfaced with each other:
JTAG Mode | SWD Mode | Signal |
---|---|---|
TCK | SWCLK | Clock into the core |
TDI | - | JTAG test data input |
TDO | SWV | JTAG Test data output / SWV trace data output |
TMS | SWDIO | JTAG test mode select / SWD data in and out |
GND | GND | - |