Design implementation – Altera Arria V Avalon-MM User Manual

Page 139

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Design Implementation

10

2014.12.15

UG-01105_avmm

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Completing your design includes additional steps to specify analog properties, pin assignments, and

timing constraints.

Making Analog QSF Assignments Using the Assignment Editor

You specify the analog parameters using the Quartus II Assignment Editor, the Pin Planner, or through

the Quartus II Settings File

.(qsf)

.

Table 10-1: Power Supply Voltage Requirements

Data Rate

V

CCR_GXB

and V

CCT_GXB

V

CCA_GXB

Arria V GX: Gen1 and Gen2

1.1 V

2.5 V

Arria V GT: Gen1 and Gen2

1.2 V

2.5 V

The Quartus II software provides default values for analog parameters. You can change the defaults using

the Assignment Editor or the Pin Planner. You can also edit your

.qsf

directly or by typing commands in

the Quartus II Tcl Console.
The following example shows how to change the value of the voltages required:
1. On the Assignments menu, select Assignment Editor. The Assignment Editor appears.

2. Complete the following steps for each pin requiring the V

CCR_GXB

and V

CCT_GXB

voltage:

a. Double-click in the Assignment Name column and scroll to the bottom of the available

assignments.

b. Select VCCR_GXB/VCCT_GXB Voltage.

c. In the Value column, select 1_1V from the list.

3. Complete the following steps for each pin requiring the V

CCA_GXB

voltage:

a. Double-click in the Assignment Name column and scroll to the bottom of the available

assignments.

b. Select VCCA_GXB Voltage.

c. In the Value column, select 3_0V from the list.

The Quartus II software adds these instance assignments commands to the

.qsf

file for your project.

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