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| U1AFS250-FG256 Datasheet, PDF (20/27 Pages) Actel Corporation – 3 - DC and Power Characteristics | |||
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DC and Power Characteristics
Nonvolatile Memory Dynamic ContributionâPNVM
Operating Mode
The NVM dynamic power consumption is a piecewise linear function of frequency.
β PNVM = NNVM-BLOCKS * 4 * PAC15 * FREAD-NVM when FREAD-NVM ⤠33 MHz,
β PNVM = NNVM-BLOCKS * 4 *(PAC16 + PAC17 * FREAD-NVM)when FREAD-NVM > 33 MHz
NNVM-BLOCKS is the number of NVM blocks used in the design (2 in U1AFS600).
β4 is the NVM enable rate for read operations. Default is 0 (NVM mainly in idle state).
FREAD-NVM is the NVM read clock frequency.
Standby Mode and Sleep Mode
PNVM = 0 W
Crystal Oscillator Dynamic ContributionâPXTL-OSC
Operating Mode
PXTL-OSC = PAC18
Standby Mode
PXTL-OSC = PAC18
Sleep Mode
PXTL-OSC = 0 W
RC Oscillator Dynamic ContributionâPRC-OSC
Operating Mode
PRC-OSC = PAC19
Standby Mode and Sleep Mode
PRC-OSC = 0 W
Analog System Dynamic ContributionâPAB
Operating Mode
PAB = PAC20
Standby Mode and Sleep Mode
PAB = 0 W
3-20
Preliminary v0.4
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