Altera PowerPlay Early Power Estimator Bedienungsanleitung PDF herunterladen (Seite 37)

Figure 3-20: PLL Worksheet of the PowerPlay EPE Spreadsheet

Table 3-10: PLL Worksheet Information

Column Heading Description

Module Specify a name for the PLL in this column. This is an optional value.

PLL Type Select whether the PLL is a Fractional, Left/Right, Top/Bottom, or an

LVDS PLL. This option is not applicable for all device families.

# PLL Blocks Enter the number of PLL blocks with the same specific output

frequency and VCO frequency combination.

# DPA Buses Enter the number of DPA buses in use. DPA is only available for LVDS

PLLs. This option is not applicable for all device families.

Output Freq (MHz) Enter the maximum output frequency of the PLL (in MHz). The

maximum output frequency is reported in the Output Frequency

column of the Quartus II Compilation Report. In the Compilation

Report, select Fitter and click Resource Section. Select PLL Usage and

click Output Frequency.

VCO Freq (MHz) Enter the internal VCO operating frequency for this module. The

LVDS PLL drives the LVDS clock tree and DPA bus at this frequency.

This frequency includes the VCO post scale counter.

Total Power (W) Shows the estimated combined power for V

CCA

and V

CCD

(in watts),

based on the maximum output frequency and the VCO frequency you

entered. This value is automatically calculated.

User Comments Enter any comments. This is an optional entry.

UG-01070

2015.01.20

PLL Worksheet

3-27

PowerPlay Early Power Estimator Worksheets

Altera Corporation

Send Feedback

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 57 58

Keine Kommentare

Altera PowerPlay Early Power Estimator Bedienungsanleitung Seite 37