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MDIO Trigger (Management Data Input/Output)

MDIO trigger supports Start / Stop of frame, TA Error, and Clause Trigger pattern match on ST / OP / PHYADR / REGADR / DATA.

Preamble length and Clock Latch on must match the bus. See Settings and Clause Trigger.

Trigger Settings

MDIO Trigger

MDIO Trigger
  • Channel: Assign MDC / MDIO channels.
  • Clock Latch on: Rising Edge / Falling Edge. Default: Rising Edge.
  • Preamble: Preamble length (bits). Default: 32.
  • Simple Trigger: Start of frame / Stop of frame / TA Error. Field enabled (Enable) when selected. Default: all cleared.
  • Clause Trigger: See Clause Trigger.
  • State: Enter ST, OP, PHYADR, REGADR, DATA as a data pattern, or leave X / XXh / XXXXh. PHYADR(P) / REGADR(R) support range compare.
    • ST / OP: Default: both Any.
    • PHYADR / REGADR range: Default: =; value Default: XXh.
    • DATA: Default: XXXXh.

See also