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4–4 Chapter 4: Development Board Setup

Factory Default Switch Jumper Settings

Transceiver Signal Integrity Development Kit, February 2013 Altera Corporation

Stratix V GT Edition User Guide

4. Set DIP switch bank (SW4) to match Table 4–4 and Figure 4–1.

5. Set DIP switch bank (SW5) to match Table 4–5 and Figure 4–1.

3 SW7-3 VCCT_GTB

Switch 3 has the following sequence enable

options:

■ ON position = VCCT_GTB is enabled.

■ OFF position = VCCT_GTB is disabled.

4 SW7-4 VCCL_GTB

Switch 4 has the following sequence enable

options:

■ ON position = VCCL_GTB is enabled.

■ OFF position = VCCL_GTB is disabled.

Table 4–4. SW4 User DIP Switch Settings

Switch

Board

Label

Function

Default

Position

1 S5_UNLOCK

Switch 1 has the following options:

■ Closed (0) =

FACTORY

command won’t be issued.

JTAG will be locked out if FPGA is configured on

power-up from flash.

■ Open (1) = Unlock the FPGA and allow

FACTORY

command. JTAG will be available even if FPGA is

configured on power-up from flash.

Open (1)

2–8 DPI6—DPI0 User defined options. —

Table 4–5. SW5 DIP Switch Settings

Switch

Board

Label

Function

Default

Position

1 S0 Determines S5GT_CLK11 frequency.

(1)

Closed

2 S1 Determines S5GT_CLK11 frequency. Open

3 SS0 Determines S5GT_CLK11 spectrum spread.

(1)

Open

4 SS1 Determines S5GT_CLK11 spectrum spread. Open

Note to: Table 4–5

(1) Truth tables for the SW5 settings:

S0Frequency

00-25 MHz

01-100 MHz (default)

10-125 MHz

11-200 MHz

SS1

SS0Spread %

00-center =/- 25%

01-down -0.5%

10-down -0.75%

11-no spread (default)

Table 4–3. SW7 DIP Switch Settings

Switch

Board

Label

Function

Default

Position

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 55 56

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