Boots – shoes – and leggings
Patent
1995-05-23
1998-05-19
Cosimano, Edward R.
Boots, shoes, and leggings
364481, 364483, 364488, 364489, 364578, G01R 2110, G06F 1750
Patent
active
057544352
ABSTRACT:
A method of calculating power consumption of an integrated circuit having a plurality of function blocks, comprises the steps of: detecting the function blocks required for a predetermined operation, in sequence; obtaining each power consumption in operation of each of the detected function blocks; and summing up each power consumption obtained for each function block, to output the summed-up power consumption as a power consumption of the whole integrated circuit. Here, the power consumption is obtained by deferring to a table in which power consumption is previously registered for each function block. Further, the power consumption can be calculated by use of an approximate expression represented by a predetermined function f and a predetermined constant power consumption as follows: P=f (PA, HA, WA, PC, HC, WC)+constant, where A denotes a vector of all signals inputted to each of the detected function blocks; C denotes a vector of all signals outputted from each of the detected function blocks; PA denotes a maximum power consumption caused by the vector A; HA denotes a number of bits each of whose logical values changes in time transition from a preceding time to a current time in the vector A; WA denotes a bit width of the vector A; PC denotes a maximum power consumption caused by the vector C; HC denotes a number of bits each of whose logical values changes in time transition from a preceding time to a current time in the vector C; and WC denotes a bit width of the vector C.
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Cosimano Edward R.
Kabushiki Kaisha Toshiba
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