DE4 User Manual
52
www.terasic.com
June 20, 2018
OTG_OE_n
OTG Output Enable
1.8-V
PIN_N19
OTG_HC_IRQ
OTG Host Controller IRQ
1.8-V
PIN_AJ20
OTG_DC_IRQ
OTG Peripheral Controller IRQ 1.8-V
PIN_AT22
OTG_RESET_n
OTG Reset
1.8-V
PIN_AU22
OTG_HC_DREQ
OTG DMA Controller request for
Host Controller
1.8-V
PIN_AN21
OTG_HC_DACK
OTG DMA Controller request
Acknowledgement
1.8-V
PIN_AT21
OTG_DC_DREQ
OTG DMA Controller request for
Peripheral Controller
1.8-V
PIN_AP21
OTG_DC_DACK
Peripheral Controller DMA
request acknowledgement
1.8-V
PIN_AH20
USB_12MHZ
OTG CLK input
-
-
PSW1
Power Switch for port 1
-
-
DM1
Downstream data minus port 1 -
-
DP1
Downstream data plus port 1
-
-
USB_ID
ID input to detect the default
-
-
PSW2
Power Switch for port 2
-
-
DM2
Downstream data minus port 2 -
-
DP2
Downstream data plus port 2
-
-
PSW3
Power Switch for port 3
-
-
DM3
Downstream data minus port 3 -
-
DP3
Downstream data plus port 3
-
-
2
2
.
.
9
9
S
S
D
D
C
C
a
a
r
r
d
d
The DE4 is equipped with a SD card socket and can be accessed as an optional external memory in
both SPI and 4-bit SD mode.
Table 2–19
lists the pin assignments of the SD card socket with
Stratix IV GX FPGA. The connection between the SD card and Stratix IV GX device is presented in
Figure 2–22
.
Summary of Contents for ALTERA DE4
Page 1: ...DE4 User Manual 1 www terasic com June 20 2018 ...
Page 54: ...DE4 User Manual 54 www terasic com June 20 2018 ...
Page 83: ...DE4 User Manual 83 www terasic com June 20 2018 Figure 3 8 Access DDR2 SO DIMM memory ...
Page 92: ...DE4 User Manual 92 www terasic com June 20 2018 Figure 3 17 Fan Control of the DE4 ...
Page 150: ...DE4 User Manual 150 www terasic com June 20 2018 Figure 5 35 SOPC builder ...