HC210 datasheet(104/228 Pages) ALTERA

104 / 228 page

5–12

Altera Corporation

September 2008

HardCopy Series Handbook, Volume 1

HardCopy II

Recommended

Settings in the

Quartus II

Software

The HardCopy II development flow involves additional planning and

preparation in the Quartus II software compared to a standard FPGA

design. This is because you are developing your design to be

implemented in two devices: a prototype of your design in a Stratix II

prototype FPGA, and a companion revision in a HardCopy II device for

production. You need additional settings and constraints to make the

Stratix II design compatible with the HardCopy II device and, in some

cases, you must remove certain settings in the design. This section

explains the additional settings and constraints necessary for your design

to be successful in both Stratix II FPGA and HardCopy II structured ASIC

devices.

Limit DSP and RAM to HardCopy II Device Resources

On the Assignments menu, click Settings to view the Settings dialog box.

In the Category list, select Device. In the Family list, select Stratix II.

Under Companion device, Limit DSP and RAM to HardCopy II device

resources

is turned on by default (Figure 5–7). This maintains

compatibility between the Stratix II and HardCopy II devices by ensuring

your design does not use resources in the Stratix II device that are not

available in the selected HardCopy II device.

If you require additional memory blocks or DSP blocks for

debugging purposes using SignalTap® II, you can temporarily

turn this setting off to compile and verify your design in your

test environment. However, your final Stratix II and

HardCopy II designs submitted to Altera for back-end

migration must be compiled with this setting turned on.

Figure 5–7. Limit DSP and RAM to HardCopy II Device Resources Check Box

Enable Design Assistant to Run During Compile

You must use the Quartus II Design Assistant to check all HardCopy

series designs for design rule violations before submitting the designs to

the Altera HardCopy Design Center. Additionally, you must fix all critical

and high-level errors.

Altera recommends turning on the Design Assistant to run

automatically during each compile, so that during development,

you can see the violations you must fix.

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