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Term
| Term: | SWD | Wiki | Freetz | IPPF | whmf | AVM | Web |
| Short for: | Serial Wire Debug Port | ||||||
| Location: | Lexicon >> Hardware-Terms | ||||||
| Weblinks: | ARM: The Serial Wire Debug Port (SW-DP) - SWD Research Paper | ||||||
| Description: | ARM developed alternative to JTAG | ||||||
Goto: FRITZ!OS - SMW-Browser
Details
SWD or SWDP is the Serial Wire Debug Port, an ARM developed alternative to JTAG.
It supports all features of JTAG except daisy chaining of multiple chips.
The SWD port uses 2 communication lines:
SWDCLK- the serial clock sent by the hostSWDIO- the bidirectional serial data line
FRITZ!OS
FRITZ!OS uses the library libalwswdutil.so to support a SWD port and its protocol.
It boots and updates the attached ZigBee Network Co-Processor (NCP), which is ARM Cortex M4 based.
