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AT91SAM9260 Datasheet(PDF) 13 Page - ATMEL Corporation |
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AT91SAM9260 Datasheet(HTML) 13 Page - ATMEL Corporation |
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13 / 47 page  13 6221JS–ATARM–17-Jul-09 AT91SAM9260 5. Power Considerations 5.1 Power Supplies The AT91SAM9260 has several types of power supply pins: • VDDCORE pins: Power the core, including the processor, the embedded memories and the peripherals; voltage ranges from 1.65V and 1.95V, 1.8V nominal. • VDDIOM pins: Power the External Bus Interface I/O lines; voltage ranges between 1.65V and 1.95V (1.8V typical) or between 3.0V and 3.6V (3.3V nominal). The expected voltage range is selectable by software. • VDDIOP0 pins: Power the Peripheral I/O lines and the USB transceivers; voltage ranges from 3.0V and 3.6V, 3V or 3.3V nominal. • VDDIOP1 pins: Power the Peripherals I/O lines involving the Image Sensor Interface; voltage ranges from 1.65V and 3.6V, 1.8V, 2.5V, 3V or 3.3V nominal. • VDDBU pin: Powers the Slow Clock oscillator and a part of the System Controller; voltage ranges from 1.65V to 1.95V, 1.8V nominal. • VDDPLL pin: Powers the Main Oscillator and PLL cells; voltage ranges from 1.65V and 1.95V, 1.8V nominal. • VDDANA pin: Powers the Analog to Digital Converter; voltage ranges from 3.0V and 3.6V, 3.3V nominal. The power supplies VDDIOM, VDDIOP0 and VDDIOP1 are identified in the pinout table and the multiplexing tables. These supplies enable the user to power the device differently for interfacing with memories and for interfacing with peripherals. Ground pins GND are common to VDDCORE, VDDIOM, VDDIOP0 and VDDIOP1 pins power supplies. Separated ground pins are provided for VDDBU, VDDPLL and VDDANA. These ground pins are respectively GNDBU, GNDPLL and GNDANA. 5.2 Power Consumption The AT91SAM9260 consumes about 500 µA of static current on VDDCORE at 25°C. This static current rises up to 5 mA if the temperature increases to 85°C. On VDDBU, the current does not exceed 10 µA in worst case conditions. For dynamic power consumption, the AT91SAM9260 consumes a maximum of 100 mA on VDDCORE at maximum conditions (1.8V, 25°C, processor running full-performance algorithm out of high speed memories). C16 VDDIOP0 J2 PC17 P11 PA1 U15 PA16 C17 SHDN J3 VDDIOM P12 PA3 U16 PA18 D1 D9 J4 PC16 P13 PA7 U17 VDDIOP0 D2 D2 J8 GND P14 PA9 D3 RAS J9 GND P15 PA26 D4 D0 J10 GND P16 PA25 Table 4-2. Pinout for 217-ball LFBGA Package (Continued) Pin Signal Name Pin Signal Name Pin Signal Name Pin Signal Name |
Similar Part No. - AT91SAM9260_09 |
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Similar Description - AT91SAM9260_09 |
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