Protocol analysis
R&S
®
RTE
812User Manual 1326.1032.02 ─ 20
Column Description
OP Operation code (= Frame type), 2 bits
●
"00" = Address frame (in Clause 45, only)
●
"01" = Write frame (in Clause 22 or Clause 45)
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"10" = Read frame (in Clause 22) or Post Read frame (in Clause 45)
●
"11" = Read frame (in Clause 45)
PHYAD/PRTAD
Address field, shown as 2 hex characters (corresponding to 5 binary bits)
●
PHY address (in Clause 22)
●
Port address (in Clause 45)
REGAD/DEVAD
Address field, shown as 2 hex characters (corresponding to 5 binary bits)
●
Register address (in Clause 22)
●
Device address (in Clause 45)
DATA/ADDRESS Payload data field (in Clause 22 or Clause 45), or Address field (in
Clause 45, only), shown as 4 hex characters or 16 binary bits (see Fig-
ure 13-91).
Register Name Displays a translation of the PHYAD/PRTAD address label in textual form
In the decode results table, the contents of column "DATA/ADDRESS" can also be dis-
played in alternative numerical formats, e.g. in binary format, as shown in Fig-
ure 13-91.
Figure 13-91: The same signal trace and decode results table as in the previous figure, but only with
"DATA" in binary format
MDIO (option R&S RTE-K55)
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