- Fill in XPE as if you are designing in standard operating mode: Using the
Xilinx
Power Estimator User Guide (UG440), configure XPE. You
should populate as many of the settings and sheets as possible to get an
accurate estimate. Important: You cannot change the VCCAUX_IO power supply to 1.2V in the summary sheet. Leave the cell as 1.8V.
When populating the I/O sheet, you cannot select the LVAUX I/O standards. Instead, use the counterpart to the LVAUX I/O standard you intended to use as shown in Table 1.
- Estimate the power consumption of HP I/O (only): Configure XPE with values
for HP I/O banks only.
- Keep the number of HP I/O input pins, output pins, and bidirectional pins to their current values.
- Set the number of HD I/O input pins, output pins, and bidirectional pins to zero.
- Record the total power drawn for VCCAUX_IO. This is the total static and dynamic power drawn from the HP I/O banks.
- Divide this number by the voltage of the VCCAUX_HPIO power supply (nominally 1.2V) to get the current (A) estimate for the HP I/O banks.
- Estimate the power consumption of HD I/O (only): Configure XPE with values
for HD I/O banks only.
- Set the number of HD I/O input pins, output pins, and bidirectional pins back to their correct values.
- Set the number of HP I/O input pins, output pins, and bidirectional pins to zero
- Record the total power drawn for VCCAUX_IO. This is the total static and dynamic power drawn from the HD I/O banks.
- Divide this number by the voltage of the VCCAUX_HDIO power supply (nominally 1.8V) to get the current (A) estimate for the HD I/O banks.