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UM0851 Datasheet(PDF) 239 Page - STMicroelectronics |
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UM0851 Datasheet(HTML) 239 Page - STMicroelectronics |
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239 / 245 page  UM0851 Power management section Doc ID 16604 Rev 2 239/245 Figure 69. SPEAr600 current consumption chart SPEAr300 For SPEAr300, the following jumpers were replaced one at a time to measure the current source JP-1 (for 1.2 V) JP-2 (for 3.3 V) JP-3 (for 2.5 V) JP-4 (for 1.8 V) The current measurements indicate significant power savings. The table and figures below present the results for SPEAr300. Table 65. SPEAr300 power consumption measurements Jumper settings Current in resumed state (mA) Current in suspended state (mA) %Decrease in current consumption JP1 - 1.2 V 198.5 43 78.33 JP2 - 3.3 V 7.2 7.0 2.77% JP3 - 2.5 V 25.8 25.8 0% JP4 - 1.8 V 43 36 16.27% 350 300 250 200 150 100 50 4 3 2 1 0 Jumper number Current consumption in resume state Current consumption in suspend state |
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