DK-SI-2SGX90N Altera, DK-SI-2SGX90N Datasheet - Page 34

• Manufacturer Part Number: DK-SI-2SGX90N
• Description: SI KIT W/SII GX EP2SGX90N
• Manufacturer: Altera
• Series: Stratix® IIr
• Type: DSPr

Specifications of DK-SI-2SGX90N

• Contents: Dev Board, Quartus®II Web Edition, Cables, Accessories, Reference Designs and Demos
• For Use With/related Products: Stratix ll GX 2SGX90N
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 544-1724

Write and Read PMA Values
Write and Read
PMA Values
A–6
Transceiver Signal Integrity Development Kit, Stratix II GX Edition
f
f
f
This section walks you through setting up the example design’s write and
read PMA values.
Write PMA Values
Use the following steps to set up the example design:
1.
2.
Refer to
3.
Refer to the
4.
1
Read PMA Values
Use the following steps to set up the example design:
1.
2.
Refer to
3.
Set read_write_PMA_control (DIP_sw[0]) to the closed
position.
Set PMA_controls (DIP_sw[3,2,1]) DIP switch to preemphasis,
VOD, equalization, or DC gain settings.
Assert Change_PMA_switch push button switch (S3) to change the
value of selected PMA_control.
Observe the values in the 7-segment display. The value written in
the transceiver is displayed.
Set read_write_PMA_control (DIP_sw[0]) to the open position.
Set PMA_controls (DIP_sw[3,2,1]) DIP switch to preemphasis,
VOD, equalization, or DC gain settings.
Observe the values in the 7-segment display. The value read from
the transceiver is displayed.
“DIP Switches” on page A–3
“DIP Switches” on page A–3
The VOD values shown by the 7-segment display indicates the
value in mV when multiplied by 100. For example to show a
VOD of 200mV, the 7-segment display shows 02. This display
setting is for a VCCHTX of 1.5 V.
Getting Started User Guide
“Push Button Switches” on page A–5
for the values.
for the values.
for more information.
Altera Corporation
June 2006