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NRF51822-CFAB-R 数据表(PDF) 47 Page - Nordic Semiconductor |
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NRF51822-CFAB-R 数据表(HTML) 47 Page - Nordic Semiconductor |
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47 / 130 page  Page 47 nRF51822 Product Specification v3.3 Symbol Description Note Min. Typ. Max. Units Test level IOFF Current in SYSTEM OFF, no RAM retention. 0.61 μA 2 IOFF, RET, 8k Additional current in SYSTEM OFF per retained RAM block (8 kB). 0.61 μA 2 IOFF2ON OFF to CPU execute transition current. 400 μA 1 tOFF2ON OFF to CPU execute. 9.6 10.6 μs 1 ION,16k SYSTEM-ON base current with 16 kB RAM enabled. 2.61 μA 2 ION,32k SYSTEM-ON base current with 32 kB RAM enabled. 3.81 μA 2 t1V2 Startup time for 1V2 regulator. 2.3 μs 1 I1V2XO16 Current drawn by 1V2 regulator and 16 MHz XOSC when both are on at the same time. See Table 33 on page 49. 8102 μA 1 I1V2XO32 Current drawn by 1V2 regulator and 32 MHz XOSC when both are on at the same time. See Table 33 on page 49. 8402 μA 1 I1V2RC16 Current drawn by 1V2 regulator and 16 MHz RCOSC when both are on at the same time. See Table 33 on page 49. 8802 μA 1 I1V2XO16,1M For HFCLK in 1 MHz mode3. Current drawn by 1V2 regulator and 16 MHz XOSC when both are on at the same time. See Table 33 on page 49. 5202 μA 1 I1V2XO32,1M For HFCLK in 1 MHz mode3. Current drawn by 1V2 regulator and 32 MHz XOSC when both are on at the same time. See Table 33 on page 49. 5602 μA 1 I1V2RC16,1M For HFCLK in 1 MHz mode3. Current drawn by 1V2 regulator and 16 MHz RCOSC when both are on at the same time. See Table 33 on page 49. 6302 μA 1 tXO Startup time for the clock management system when the XTAL is in standby. 2.3 5.3 μs 1 |
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