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NRF51822-CFAB-R 数据表(PDF) 92 Page - Nordic Semiconductor |
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NRF51822-CFAB-R 数据表(HTML) 92 Page - Nordic Semiconductor |
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92 / 130 page ![]() Page 92 nRF51822 Product Specification v3.3 11.4.3 QFAB QFN48 schematic with DC/DC converter setup Figure 29 QFAB QFN48 with DC/DC converter setup Note: For PCB reference layouts, see the Reference Layout page in the Infocenter. C1 12pF C2 12pF C3 2.2nF C4 1.0pF C5 2.2pF C9 1.0nF C7 4.7 μF C8 100nF C10 47nF C11 100nF AVDD VCC_nRF VCC_nRF P0.07 P0.30 P0.17 P0.18 P0.19 P0.20 P0.00 P0.01 P0.02 P0.03 P0.04 P0.06 C12 1.0 μF AVDD P0.05 C6 1.5pF C14 12pF C13 12pF Optional VDD 1 VDD 12 VDD_PA 30 ANT1 31 ANT2 32 VSS 33 VSS 34 AVDD 35 AVDD 36 nRF51x22 DCC 2 P0.30 3 P0.00 4 P0.01 5 P0.02 6 P0.03 7 P0.04 8 P0.05 9 P0.06 10 P0.07 11 P0.17 25 P0.18 26 P0.19 27 P0.20 28 DEC2 29 U1 nRF51x22-QFAB L4 10 μH L5 15nH L1 4.7nH L2 10nH L3 3.3nH R1 1k X1 16MHz X2 32.768kHz |
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