Connections and routing for the three-speed Ethernet controller (TSEC) are summarized
in the table below.
Table 2-5. Ethernet port locations
Ethernet in
Linux
EC number Interface voltage PHY address Connector location (from
chassis/board back)
Status indicator
eth2 EC1 LVDD (1.8 V) 1 Bottom • R: Transmit or
receive activity
• L: Link
eth3 EC2 LVDD (1.8 V) 2 Top • R: Transmit or
receive activity
• L: Link
2.4.1 Ethernet management interfaces
The LS1043ARDB has two Ethernet management interfaces (EMIs): EMI1 and EMI2.
The EMIs control two PHY transceivers connected with them separately. The table below
lists the PHYs connected with the EMIs.
Table 2-6. PHYs connected with EMIs
Manufacturer part number Manufacturer name PHY type
RTL8211FS Realteck RGMII
F104S8A NXP Semiconductors QSGMII
AQR105-B1 Aquantia XFI
The figure below shows how PHY transceivers are connected with EMIs.
Chapter 2 Interfaces
QorIQ LS1043A Reference Design Board Reference Manual, Rev. 4, 11/2017
NXP Semiconductors 25