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NRF51822-CFAB-R 数据表(PDF) 14 Page - Nordic Semiconductor |
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NRF51822-CFAB-R 数据表(HTML) 14 Page - Nordic Semiconductor |
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14 / 130 page ![]() Page 14 nRF51822 Product Specification v3.3 Table 1 Pin functions QFN48 packet 2.2.2 CDAB WLCSP ball assignment and functions Figure 3 Ball assignment CDAB packet (top side view) 40 to 44 P0.21 to P0.25 Digital I/O General purpose I/O pin. 45 P0.26 AIN0 XL2 Digital I/O Analog input Analog output General purpose I/O pin. ADC/LPCOMP input 0. Connection for 32.768 kHz crystal. 46 P0.27 AIN1 XL1 Digital I/O Analog input Analog input General purpose I/O pin. ADC/LPCOMP input 1. Connection for 32.768 kHz crystal or external 32.768 kHz clock reference. 47, 48 P0.28 and P0.29 Digital I/O General purpose I/O pin. 1. The exposed center pad of the QFN48 package must be connected to ground for proper device operation. Pin Pin name Pin function Description 6 5 4 3 2 19 8 7 A B C D E F G H N51822 CDABHP YYWWLL |
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