SNLS579A April 2018 – November 2018 DP83TC811S-Q1
The jabber function prevents the PCS Receive state machine from locking up into a DATA state if the End-of-Stream Delimiters, ESD1 and ESD2, are never detected or received within the rcv_max_timer. When the maximum receive DATA state timer expires, the PCS Receive state machine is reset and transitions into IDLE state. IEEE 802.3bw specifies that jabber timeout be set to 1.08 ms ± 54 μs. By default, jabber timeout in the DP83TC811S-Q1 is set to 1.1 ms. This timer is configurable in JAB_CFG Register 0x0496 – Jabber Configuration Register.