Danville Signal Processing dspblok 21469, Руководство пользователя

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dspblok™ 21469 User Manual
Page 7
room temperature. The Analog Devices’ ADSP-21467/ADSP-21469 SHARC Processor Data Sheet has an
excellent section on estimating power consumption of the DSP. Please note that the measurements do not
take into account the increase static current as temperature rises.
Typical Power Consumption at Room Temperature
Core
Clock Continuous
floating point
operations Mixed
floating point
& DAI
operations Mixed
floating point
& DDR2
operations Continuous
floating point
operations Mixed
floating point
& DAI
operations Mixed
floating point
& DDR2
operations
Vdd = 3.3V & Vd+3.3
mA mA mA mW mW mW
100MHz 145mA 143mA 143mA 479mW 472mW 472mW
200MHz 150mA 148mA 147mA 568mW 554mW 554mW
400MHz 214mA 209mA 208mA 769mW 746mW 746mW
450MHz 231mA 225mA 225mA 822mW 795mW 795mW
Vdd = 5.0V
mA mA mA mW mW mW
Vdd = 5V Core Supply Only
100MHz 84mA 84mA 84mA 280mW 275mW 275mW
200MHz 101mA 108mA 101mA 365mW 355mW 355mW
400MHz 164mA 168mA 162mA 525mW 510mW 510mW
450MHz 178mA 173mA 174mA 565mW 545mW 545mW
Vd+3.3 Supply Only
100MHz 48mA 48mA 48mA 168mW 172mW 168mW
200MHz 54mA 54mA 54mA 185mW 185mW 185mW
400MHz 65mA 64mA 68mA 215mW 215mW 218mW
450MHz 67mA 67mA 67mA 224mW 224mW 224mW
Composite Vdd & Vd+3.3
100MHz 448mW 447mW 443mW
200MHz 550mW 540mW 537mW
400MHz 740mW 725mW 728mW
450MHz 789mW 769mW 769mW