Artesyn SCP-P4040-4G-ENP2 Installation and Use (August 2014) - Manual (Page 48)

Functional Description
SCP-P4040-4G-ENP2 Installation and Use (6806800P60B) 48
By default configuration, all 4 USB ports of the hub are removable and all indicating signals are
active high. Two LED provided on the module to indicate the operating state of the USB hub.
One is hub active indicating LED and the other is hub high speed indicating LED.
4.16.1 Four USB Ports
All four USB interfaces are directly connected to the COM Express connector.
All the four USB ports signals with two over current detecting signals, USB_OC_0_1_N and
USB_OC_2_3_N
are routed to the COM Express connectors. USB_OC_0_1_N is for USB0 and
USB1, USB_OC_2_3_N is for USB2 and USB3.
4.17 I2C Interface
The Freescale Power PC P4040 consists of four I2C buses. Among four I2C buses, the I2C3 bus
is multiplexed with SDHC bus and remaining I2C buses are routed to COM Express connectors.
Table 4-10 USB PHY
Characteristic Value
Vendor SMSC
Device USB3315C-CP-TR
Function USB Transceiver (PHY)
Package QFN24 (4.0mm x 4.0mm x 1.0mm)
Oracle Number 5106812C21
Table 4-11 USB HUB
Characteristic Value
Vendor SMSC
Device USB2514Bi-AEZG
Function USB Hub Controller
Package QFN36 (6.0mm x 6.0mm x 1.0mm)
Oracle Number 5106812C33