Altera Cyclone V E FPGA Development Board Manual do Utilizador descarregar pdf (Página 29)

Chapter 2: Board Components 2–21

General User Input/Output

March 2013 Altera Corporation Cyclone V E FPGA Development Board

Reference Manual

Table 2–13 lists the user-defined push button schematic signal names and their

corresponding Cyclone V E FPGA pin numbers.

User-Defined DIP Switch

Board reference SW3 is a four-pin DIP switch. This switch is user-defined and

provides additional FPGA input control. When the switch is in the OFF position, a

logic 1 is selected. When the switch is in the ON position, a logic 0 is selected. There

are no board-specific functions for this switch.

Table 2–14 lists the user-defined DIP switch schematic signal names and their

corresponding Cyclone V E FPGA pin numbers.

User-Defined LEDs

The development board includes general and HSMC user-defined LEDs. This section

describes all user-defined LEDs. For information on board specific or status LEDs,

refer to “Status Elements” on page 2–15.

General LEDs

Board references D28 through D31 are four user-defined LEDs. The status and

debugging signals are driven to the LEDs from the designs loaded into the

Cyclone V E FPGA. Driving a logic 0 on the I/O port turns the LED on while driving a

logic 1 turns the LED off. There are no board-specific functions for these LEDs.

Table 2–13. User-Defined Push Button Schematic Signal Names and Functions

Board Reference Schematic Signal Name

Cyclone V E FPGA Pin

Number

I/O Standard

USER_PB0

AB12 2.5-V

USER_PB1

AB13 2.5-V

USER_PB2

AF13 2.5-V

USER_PB3

AG12 2.5-V

Table 2–14. User-Defined DIP Switch Schematic Signal Names and Functions

Board Reference Schematic Signal Name

Cyclone V E FPGA

Pin Number

I/O Standard

USER_DIPSW0

Y12 2.5-V

USER_DIPSW1

AA13 2.5-V

USER_DIPSW2

AF11 2.5-V

USER_DIPSW3

AG11 2.5-V

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 55 56

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