Altera DE1-SoC - DE1-SoC 2-Port USB Host

DE1-SoC User Manual
49
www.terasic.com
March 14, 2014
Figure 3-33 Connections between the FPGA and SD card socket
Table 3-28 Pin Assignment of Micro SD Card Socket
Signal Name
FPGA Pin No.
Description
I/O Standard
HPS_SD_CLK
PIN_A16
HPS SD Clock
3.3V
HPS_SD_CMD
PIN_F18
HPS SD Command Line
3.3V
HPS_SD_DATA[0]
PIN_G18
HPS SD Data[0]
3.3V
HPS_SD_DATA[1]
PIN_C17
HPS SD Data[1]
3.3V
HPS_SD_DATA[2]
PIN_D17
HPS SD Data[2]
3.3V
HPS_SD_DATA[3]
PIN_B16
HPS SD Data[3]
3.3V
3
3
.
.
7
7
.
.
6
6
2
2
-
-
p
p
o
o
r
r
t
t
U
U
S
S
B
B
H
H
o
o
s
s
t
t
The board has two USB 2.0 type-A ports with a SMSC USB3300 controller and a 2-port hub
controller. The SMSC USB3300 device in 32-pin QFN package interfaces with the SMSC
USB2512B hub controller. This device supports UTMI+ Low Pin Interface (ULPI), which
communicates with the USB 2.0 controller in HPS. The PHY operates in Host mode by connecting
the ID pin of USB3300 to ground. When operating in Host mode, the device is powered by the two
USB type-A ports. Figure 3-34 shows the connections of USB PTG PHY to the HPS. Table 3-29
lists the pin assignment of USBOTG PHY to the HPS.
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