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TMS320F2808 Datasheet(PDF) 86 Page - Texas Instruments |
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TMS320F2808 Datasheet(HTML) 86 Page - Texas Instruments |
86 / 123 page www.ti.com 6.4.2 Current Consumption Graphs 0.0 50.0 100.0 150.0 200.0 250.0 10 20 30 40 50 60 70 80 90 100 SYSCLKOUT (MHz) IDD IDDA18 IDDIO IDD3VFL 3.3-V current 1.8-V current TMS320F2808, TMS320F2806 TMS320F2801, UCD9501 Digital Signal Processors SPRS230F – OCTOBER 2003 – REVISED SEPTEMBER 2005 Table 6-4. Typical Current Consumption by Various Peripherals (at 100 MHz) (1) PERIPHERAL IDD CURRENT MODULE REDUCTION (mA) ADC 8(2) I2C 5 eQEP 5 ePWM 5 eCAP 2 SCI 4 SPI 5 eCAN 11 (1) All peripheral clocks are disabled upon reset. Writing to/reading from peripheral registers is possible only after the peripheral clocks are turned on. (2) This number represents the current drawn by the digital portion of the ADC module. Turning off the clock to the ADC module results in the elimination of the current drawn by the analog portion of the ADC (IDDA18) as well. NOTE The baseline I DD current (current when the core is executing a dummy loop with no peripherals enabled) is 110 mA, typical. To arrive at the I DD current for a given application, the current-drawn by the peripherals (enabled by that application) must be added to the baseline I DD current. Figure 6-1. Typical Operational Current Versus Frequency (F2808) 86 Electrical Specifications |
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