Altera PowerPlay Early Power Estimator Instrukcja Użytkownika Pobierz pdf (Strona 33)

Figure 3-18: Total Thermal Power

thermal power = thermal P

VCC

+ thermal P

The following figure shows the I/O power consumption. The I

CCIO

power rail includes both the thermal

and the external P

Figure 3-19: I/O Power Representation

CCPD

CCIO

CCPD

CCIO

Thermal P

VCC

Thermal P

External P

Stratix III Device

The VREF pins consume minimal current (typically less than 10 μA) and is negligible when compared

with the current consumed by the general purpose I/O (GPIO) pins; therefore, the PowerPlay EPE

spreadsheet does not include the current for VREF pins in the calculations.

Table 3-8: I/O Power Rail Information

Column Heading Description

Power Rails Power supply rails for the I/O pins.

Voltage (V) The voltage applied to the specified power rail in Volts (V).

Current (A) The current drawn from the specified power rail in Amps

(A).

Table 3-9: I/O Worksheet Information

Column Heading Description

Module Specify a name for the module in this column. This is an

optional value.

UG-01070

2015.01.20

I/O Worksheet

3-23

PowerPlay Early Power Estimator Worksheets

Altera Corporation

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Altera PowerPlay Early Power Estimator Instrukcja Użytkownika Strona 33