Altera Transceiver Signal Integrity Development Kit, Stratix IV GX Edition User Manual
Page 18
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2–8
Chapter 2: Board Components
Featured Device: Stratix IV GX
Transceiver Signal Integrity Development Kit,
November 2011
Altera Corporation
Stratix IV GX Edition Reference Manual
Flash Memory
ADDR[25:0]
2.5-V CMOS output
26
Flash Address Bus
DATA[15:0]
2.5-V CMOS inout
16
Flash Data Bus
FLASH_CEn
2.5-V CMOS output
1
Flash Chip Enable
FLASH_OEn
2.5-V CMOS output
1
Flash Read Strobe
FLASH_WEn
2.5-V CMOS output
1
Flash Write Strobe
FLASH_BSYn
2.5-V CMOS input
1
Flash Busy
FLASH_CLK
2.5-V CMOS output
1
Flash Clock
FLASH_RSTn
2.5-V CMOS output
1
Flash Reset
FLASH_ADVn
2.5-V CMOS output
1
Flash Address Valid
FLASH_WPn
2.5-V CMOS output
1
Flash Write Protect
Resets
CPU_RESETn
2.5-V CMOS input
1
Nios
®
II CPU Reset
S4GX_RESETn
2.5-V CMOS input
1
S4GX General FPGA Reset
Switches, Buttons, LEDS
User Push Buttons
2.5-V CMOS input
6
6 User Push Buttons
User DIP Switches
2.5-V CMOS input
8
8 User DIP Switches
User LEDS
2.5-V CMOS output
8
8 User LEDs (GREEN)
HEX Rotary Switch
2.5-V CMOS input
4
16 Position Rotary Switch
Directional Menu Buttons
2.5-V CMOS input
4
4 LCD Menu Buttons
User I/Os
2.5-V CMOS inout
4
4 User I/O pins to header field
LCD
16 Character × 2 Line LCD
2.5-V CMOS
11
LCD
Ethernet
TXD[3:0]
2.5-V CMOS output
4
Ethernet Transmit RGMII Data Bus
TXEN
2.5-V CMOS output
1
Ethernet Transmit Enable
GTXCLK
2.5-V CMOS output
1
Ethernet Transmit Clock
RXD[3:0]
2.5-V CMOS input
4
Ethernet Receive RGMII Data Bus
RXDV
2.5-V CMOS input
1
Receive Data Valid
RXCLK
2.5-V CMOS input
1
Receive Clock
MDC
2.5-V CMOS input
1
Ethernet MII Clock
MDIO
2.5-V CMOS inout
1
Ethernet MII Data
ENET_SGMII_TXP/N
LVDS output
2
Ethernet SGMII Transmit Data Positive/Negative
ENET_SGMII_RXP/N
LVDS input
2
Ethernet SGMII Receive Data Positive/Negative
Transceivers
GXB0 Transmit Channel
Transceiver channel
2
Minimize Trace Length (2.5 in.)
GXB0 Receive Channel
Transceiver channel
2
Minimize Trace Length (2.5 in.)
GXB2 Long Transmit Channel
Transceiver channel
2
33 in. Trace Length (8.5G)
Table 2–4. Stratix IV GX I/O Usage Summary (Part 2 of 3)
Function
I/O Type
I/O Count
Description