Low-Power Modes in Actel ProASIC3/E and ProASIC3 nano FPGAs

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Specifications	Low-Power Modes in Actel ProASIC3/E and ProASIC3 nano FPGAs
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v1.21 Low-Power Modes in Actel ProASIC3/E and ProASIC3 nano FPGAs Introduction The demand for low-power systems and semicondu

Specifications	Low-Power Modes in Actel ProASIC3/E and ProASIC3 nano FPGAs
Outline	Low-Power Modes in Actel ProASIC3/E and ProASIC3 nano FPGAs Introduction Power Consumption Overview Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Using Sleep Mode or Shutdown Mode in the System Static (Idle) Mode User Low Static (Idle) Mode Sleep Mode Shutdown Mode Conclusion Related Documents Part Number and Revision Date List of Changes
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Content	v1.21 Low-Power Modes in Actel ProASIC3/E and ProASIC3 nano FPGAs Introduction The demand for low-power systems and semiconductors, combined with the strong growth observed for value-based FPGAs, is driving growing demand for low-power FPGAs. For portable and battery-operated applications, power consumption has always been the greatest challenge. The battery life of a system and on-board devices has a direct impact on the success of the product. As a result, FPGAs used in these applications should meet low-power consumption requirements. Actel ProASIC®3/E and ProASIC3 nano FPGAs offer low power consumption capability inherited from their nonvolatile and live-at-power-up (LAPU) flash technology. This application note describes the power consumption and how to use different power saving modes to further reduce power consumption for power-conscious electronics design. Power Consumption Overview In evaluating the power consumption of FPGA technologies, it is important to consider it from a system point of view. Generally, the overall power consumption should be based on static, dynamic, inrush, and configuration power. Few FPGAs implement ways to reduce static power consumption utilizing sleep modes. SRAM-based FPGAs use volatile memory for their configuration, so the device must be reconfigured after each power-up cycle. Moreover, during this initialization state, the logic could be in an indeterminate state, which might cause inrush current and power spikes. More complex power supplies are required to eliminate potential system power-up failures, resulting in higher costs. For portable electronics requiring frequent power-up and -down cycles, this directly affects battery life, requiring more frequent recharging or replacement. SRAM-Based FPGA Total Power Consumption = Pstatic + Pdynamic + Pinrush + Pconfig EQ 1 ProASIC3/E Total Power Consumption = Pstatic + Pdynamic EQ 2 Unlike SRAM-based FPGAs, Actel flash-based FPGAs are nonvolatile and do not require power-up configuration. Additionally, Actel nonvolatile flash FPGAs are live at power-up and do not require additional support components. Total power consumption is reduced as the inrush current and configuration power components are eliminated. Note that the static power component can be reduced in flash FPGAs (such as the ProASIC3/E devices) by entering User Low Static mode or Sleep mode. This leads to an extremely low static power component contribution to the total system power consumption. The following sections describe the usage of Static (Idle) mode to reduce the power component, User Low Static mode to reduce the static power component, and Sleep mode and Shutdown mode to achieve a range of power consumption when the FPGA or system is idle. Table1 on page 2 summarizes the different low-power modes offered by ProASIC3/E devices.
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