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Ixiasoft
3.1.2. Thermal Power
Thermal power is the power dissipated in the device. Total thermal power is a sum of the thermal power of all the resources used in the device, including the maximum power from standby and dynamic power.
Total thermal power only includes the thermal component for the I/O section and does not include the external power dissipation, such as from voltage-referenced termination resistors.
The static power (PSTATIC) is the thermal power dissipated on chip, independent of user clocks. PSTATIC includes the leakage power from all FPGA functional blocks, except for I/O DC bias power and transceiver DC bias power, which are accounted for in the I/O and transceiver sections.
PSTATIC is the only thermal power component which varies with junction temperature, selected device, and power characteristics (process).
The following figure shows the total thermal power (W) and PSTATIC consumed by the FPGA and hard processor system (HPS). The thermal power for each worksheet is displayed. To see how the thermal power for a worksheet was calculated, click on the button to view the selected worksheet.
Column Heading | Description |
---|---|
Logic | This value shows the dynamic power consumed by adaptive logic modules (ALMs) and associated routing. To view details, click the Logic button. |
RAM | This value shows the dynamic power consumed by RAM blocks and associated routing. To view details, click the RAM button. |
DSP | This value shows the dynamic power consumed by digital signal processing (DSP) blocks and associated routing. To view details, click the DSP button. |
I/O | This value shows the thermal power consumed by I/O pins and associated routing. To view details, click the I/O button. |
HSDI | This value shows the dynamic power consumed by serializer and deserializer (SERDES) hardware for high-speed differential I/O (HSDI). To view details, click the HSDI button. |
PLL | This value shows the dynamic power consumed by phase-locked loops (PLLs). To view details, click the PLL button. |
Clock | This value shows the dynamic power consumed by clock networks. To view details, click the Clock button. |
HMC | This value shows the dynamic power consumed by hard memory controller (HMC). To view details, click the HMC button. |
XCVR | This shows the thermal power consumed by transceiver hardware. This includes the standby power consumed by transceivers. To view details, click the XCVR button. If the value is N/A, the transceiver blocks are not available on the chosen device. |
PCS and HIP | This shows the thermal power consumed by the transceiver channel physical coding sublayer (PCS) as well as the PCI Express® (PCIe®) hard IP blocks of the transceiver hardware. This includes the standby power consumed by transceivers. To view details, click the PCS and HIP button. If the value is N/A, the transceiver blocks are not available on the chosen device. |
PSTATIC | This shows the thermal power dissipated on chip, independent of user clocks. This includes the leakage power from all FPGA functional blocks, except for I/O DC bias power and transceiver DC bias power. PSTATIC is affected by junction temperature, selected device, and power characteristics. The static power for HPS is shown in PSTATIC,HPS. |
Total FPGA | This shows the total power dissipated as heat from the FPGA. This does not include power dissipated in off-chip termination resistors and HPS. |
HPS | This value shows the thermal power consumed by the HPS. To view the details, click the HPS button. |
PSTATIC,HPS | This shows the thermal power dissipated from the HPS, independent of user clocks. This includes the leakage power from all HPS functional blocks, except for HPS I/O DC bias power. PSTATIC,HPS is affected by junction temperature, selected device, and power characteristics. The static power for HPS will be turned on once the SoC device is selected. |
Total SoC | This value shows the total power dissipated as heat from the FPGA and HPS. This value does not include power dissipated in off-chip termination resistors. |