DE4 User Manual
21
www.terasic.com
June 20, 2018
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The DE4 development board includes status LEDs. Please refer to
Table 2–3
for the status of the
LED indicator.
Table 2–3 LED Indicators
Board Reference LED Name
Description
D9
12-V Power
Illuminates when 12-V power is active.
D10
3.3-V Power
Illuminates when 3.3-V power is active.
D20
CONF DONE
Illuminates when the FPGA is successfully configured. Driven
by the MAX II CPLD EPM2210 System Controller.
D18
Loading
Illuminates when the MAX II CPLD EPM2210 System Controller
is actively configuring the FPGA. Driven by the MAX II CPLD
EPM2210 System Controller with the Embedded Blaster CPLD.
D19
Error
Illuminates when the MAX II CPLD EPM2210 System Controller
fails to configure the FPGA. Driven by the MAX II CPLD
EPM2210 System Controller.
D12
USB
Blaster Circuit
Illuminates when USB blaster circuit transmits or receives data.
D17
HSMC
Port B Present
Illuminates when the HSMC port B has a board or cable
plugged-in such that pin 160 becomes grounded. Driven by the
add-in card
D16
HSMC
Port A Present
Illuminates when the HSMC port A has a board or cable
plugged-in such that pin 160 becomes grounded. Driven by the
add-in card
RXD1
UART_RXD/GPIO
Expansion 0 IO[7]
Illuminates when RS232 receives data or GPIO Expansion 0
IO[7] is transmits or receives.
TXD1
UART_TXD/GPIO
Expansion 1 IO[9]
Illuminates when RS232 transmit data or GPIO Expansion 1
IO[9] is transmits or receives.
D15
USB
Jack-Mini-USB-AB
Port
Illuminates when USB Jack-Mini-USB port has a device.
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 ...