I/o resources, I/o resources –7 – Altera 100G Development Kit, Stratix IV GT Edition User Manual

Page 15

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background image

Chapter 2: Board Components

2–7

Featured Device: Stratix IV GT Device

September 2010

Altera Corporation

100G Development Kit, Stratix IV GT Edition Reference Manual

I/O Resources

Figure 2–2

shows the bank organization and I/O count for the EP4S100G5F45I1

device in the 1932-pin FBGA package.

Table 2–4

summarizes the FPGA I/O usage by function on the Stratix IV GT 100G

development board. I/O direction is with respect to the FPGA.

Figure 2–2. Stratix IV GT Device I/O Bank Diagram

(Note 1)

Note to

Figure 2–2

:

(1) There are two additional PMA-only transceiver channels in each transceiver bank.

Ba

nk

8

B

4

8

Ba

nk

7

A

4

8

Ba

nk

7

B

4

8

B

ank

7C

32

21 Bank 1C

21 Bank 2C

48

Ba

nk

3

B

48

Ba

nk

4

A

48

Ba

nk

4

B

32

B

ank

4C

Bank 6C 22

Bank 5C 19

13 Bank 2A

B

ank

8C

32

Ba

nk

8

A

4

8

32

B

ank

3C

48

Ba

nk

3

A

Bank 5A 42

Bank 6A 38

Bank

Name

Number

of I/Os

Bank

Name

Number

of I/Os

40 Bank 1A

Bank

GXBL2

Bank

GXBL1

Bank

GXBL0

4 (1)

Bank

GXBR2

Bank

GXBR1

Bank

GXBR0

4 (1)

4 (1)

4 (1)

4 (1)

4 (1)

EP4S100G3

EP4S100G4

EP4S100G5

41 Bank 2B

Bank 5B 12

Table 2–4. Stratix IV GT I/O Usage Summary (Part 1 of 5)

Function

I/O Type

I/O Count

Description

FPGA Transceiver Clocks

Reference clock from buffer

LVDS input

12

Diff REFCLK input

Programmable clock

LVDS input

2

Diff REFCLK input

SMA diff clock inputs

LVDS input

6

Diff REFCLK input

FPGA Global Clocks

50-MHz clock

2.5-V CMOS input

1

Global clock

Ethernet receive clock

2.5-V CMOS input

1

Global clock

Single-ended clock from buffer

2.5-V CMOS input

4

Single-ended global clock

Differential clock from buffer

LVDS input

4

Diff global clock

DDR3 clock from buffer

LVDS input

8

Diff global clock

QDR II clock from buffer

LVDS input

8

Diff global clock

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