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AT91M55800A Datasheet(PDF) 4 Page - ATMEL Corporation |
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AT91M55800A Datasheet(HTML) 4 Page - ATMEL Corporation |
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4 / 29 page  4 AT91M55800A 1727E–ATARM–01/04 Power Consumption The values in the following tables are measured values in the operating conditions indi- cated (i.e., V DDIO = 3.3V, VDDCORE = 3.3V, TA = 25°C) on the AT91EB55 Evaluation Board. They represent the power consumption on the V DDCORE power supply unless oth- erwise specified. Notes: 1. Power consumption on the V DDPLL power supply. 2. With a reference frequency equal to 16 MHz, output frequency of 32 MHz and R = 287 Ω, C 1 = 680 pF, C2 = 68 pF as loop filter. Table 2. Power Consumption Mode Conditions Consumption Unit Normal Fetch in ARM mode out of internal SRAM All peripheral clocks activated 6.55 mW/MHz Fetch in ARM mode out of internal SRAM All peripheral clocks deactivated 4.59 Idle All peripheral clocks activated 3.85 All peripheral clocks deactivated 1.78 Table 3. Power Consumption per Peripheral Peripheral Consumption Unit PIO Controller 0.22 mW/MHz Timer/Counter Channel 0.15 Timer/Counter Block (3 Channels) 0.42 USART 0.40 SPI 0.40 ADC 0.23 DAC 0.29 PLL (1) (2) 2.6 mW Table 4. Battery Supply Voltage Consumption Condition Consumption Unit V DDBU = 3.0 V Power consumption on the VDDBU Power Supply. Without any capacitor connected to the RTC oscillator pins (XIN32, XOUT32) 0.9 µA |
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