Altera Cyclone IV GX FPGA Development Board Manuale Utente Scaricare il pdf (Pagina 15)

Chapter 2: Board Components 2–7

MAX II CPLD EPM2210 System Controller

May 2013 Altera Corporation Cyclone IV GX FPGA Development Board

Reference Manual

Table 2–4 lists the Cyclone IV GX device pin count and usage by function on the

development board.

MAX II CPLD EPM2210 System Controller

The board utilizes the EPM2210 System Controller, an Altera MAX

II CPLD, for the

following purposes:

■ FPGA configuration from flash memory

■ Power consumption monitoring

■ Virtual JTAG interface for PC-based GUI

■ Control registers for clocks

■ Control registers for remote system update

Table 2–4. Cyclone IV GX Device I/O Pin Count and Usage

Function I/O Standard I/O Count Special Pins

Clocks or Oscillators 1.8-V CMOS 9 3 clock inputs, 1 clock input

DDR2A x32 (Top) 1.8-V SSTL 63 —

DDR2B x32 (Bottom) 1.8-V SSTL 63 —

Flash, SSRAM, MAX 1.8-V CMOS 55 —

Gigabit Ethernet 2.5-V CMOS

(1)

16 —

User I/O (LEDs, Push buttons) 1.8-V 25 —

14-pin LCD 2.5-V CMOS

(1)

11 —

HSMC Port A 2.5-V/1.8-V CMOS 103 —

HSMC Port B 2.5-V CMOS

(1)

87 —

PCIe x4 2.5-V CMOS 7 —

PCIe (for HSMC port B transceiver multiplexer) XCVR 16 —

Passive serial and active serial configuration 2.5-V CMOS 21 —

Device I/O Total:

476

Note to Table 2–4:

(1) Translated from 1.8-V to 2.5-V using a bidirectional voltage translator.

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 59 60

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Altera Cyclone IV GX FPGA Development Board Manuale Utente Pagina 15