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A–4 Getting Started User Guide Altera Corporation

Transceiver Signal Integrity Development Kit, Stratix II GX Edition June 2006

General User Interfaces

1 To set a DIP switch in the open position, press the switch

towards the OPEN side of the user DIP switch bank. To set a DIP

switch in the closed position, press the switch towards the

number side of the DIP switch bank.

Table A–2. DIP Switch Signal Names and Descriptions Note (1)

DIP Switch Name Description Width

Board

Reference

Number

Connected

to FPGA Pin

Number

Read and write PMA

control

The switch is used to display or set the

controllable parameters. The values are

displayed in the 7-segment display, i.e.,

O = read VOD, preemphasis from the

transceiver

C = write VOD, preemphasis into the

transceiver

11 AH33

PMA controls Silkscreen number:

4 3 2

O O O – preemphasis (only main tap)

O O C – VOD

O C C – DC gain

C C C – equalization

The other silkscreen numbers are reserved.

After this combination is set,

push_button_PMA_control has to be

pressed to set the values.

3 2, 3, 4 AH32,

AF28,

AF27

Data pattern select The switch selects the data patterns.

Switch position-silkscreen number:

6 5

C O – PRBS23

O C – PRBS7

O O – high frequency

C C – reserved

25, 6 AJ34,

AJ33

Serial loopback The switch dynamically controls serial

loopback.

O = serial loopback ON

C = serial loopback OFF

17 AG29

Reserved — 1 8 AG28

Note to Table A-2:

(1) The C refers to the DIP switch in the closed position, and the O refers to the DIP switch in the open position.

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 38

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