Realtek switch SoC docs

longan register: P0_INTF_CTRL

Details

Name
P0_INTF_CTRL
Offset
0024
Feature
INTERFACE
Port index range
0 - 27
Portlist index
0
Bit offset
6

Description

Port N interface controller

default: 0x0000_0000

Fields

Name LSB Bits Description
P0_INTF 0 6

  • TX_SYNC (bit 0)

    • 0b0: no SERDES to MAC delay
    • 0b1: 1 clock cycle SERDES to MAC delay

  • RX_SYNC (bit 1)

    • 0b0: no SERDES to MAC delay
    • 0b1: 1 clock cycle SERDES to MAC delay

  • CARRIER_SENSE (bit 2)

    • 0b0: ?
    • 0b1: original

  • TXC_EDGE (bit 3)

    • 0b0: postitive edge
    • 0b1: negative edge

  • RXC_EDGE (bit 4)

    • 0b0: postitive edge
    • 0b1: negative edge

  • TX_COLLISION (bit 5)

    • 0b0: RXDV
    • 0b1: CRS