Edge-Core AS7326-56X - Usb; Interrupt

EDGECORE NETWORKS CORPORATION 2018
73
7
RJ45_DSR
8
RJ45_CTS
5.6. USB
There are three USB 2.0 interfaces in the project. The USB-0 via the 120pins BTB
connector to switch board for chassis external type A USB connector, USB-1 is for debug
function and USB-2 connect to eUSB module for internal USB access.
The mapping table and connection are as below.
Figure 36 USB connection
BDXDE
eUSB
Debug USB
connector
120pin
BTB
connector
USB2
USB1
USB0
22.6
USB2_RBIAS
USB2_RBIAS#
5.7. Interrupt
CPLD in Switch board will collect all interrupts in Switch board from different devices, and then
pass to CPU. Those devices are as below.
 MAC (BCM56873)
 MGMT Phy(BCM54616s)
 Thermal sensor(LM75)
 Fan
 IDT 8V89307
 QSFP28 Transceiver
 SFP28 Transceiver
 SFP+ Transceiver
Figure 37 Interrupt Connection