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NRF24AP2-USBQ32-R датащи(PDF) 10 Page - List of Unclassifed Manufacturers |
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NRF24AP2-USBQ32-R датащи(HTML) 10 Page - List of Unclassifed Manufacturers |
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10 / 44 page ![]() Revision 1.0 Page 10 of 44 nRF24AP2-USB Product Specification 2.3 Pin Assignments Figure 3. nRF24AP2-USB pin assignment (top view) for a QFN32 5x5 mm package 2.4 Pin Functions Table 2. nRF24AP2-USB pin functions Pin Name Type Description 21, 22 ANT1, ANT2 RF Differential antenna connection (TX and RX) 5, 4 D-, D+ Digital I/O Differential USB connection 28, 29 DEC1, DEC2 Power Power supply outputs for de-coupling purposes 25 IREF Analog Input Device reference current output. To be connected to reference resistor on PCB 10, 11, 13, 14, 15, 16 NC NC Not connected 8 RESET Digital Input Reset, active low. Connect to VDD if not used 2 VBUS Power USB power supply 1, 3, 9, 19, 24, 27 VDD Power Alternative power supply pins. The VDD pins must always be connected and de-coupled externally. 20 VDD_PA Power Output Power supply output (+1.8V) for on-chip RF Power amplifier 6, 7, 12, 17, 18, 23, 26, 30 VSS Power Ground (0V) 32, 31 XC1, XC2 Analog Input Connection for 16 MHz crystal Exposed die pad Power/heat relief Not connected VDD VBUS VDD D+ D- VSS VSS RESET VDD VSS ANT2 ANT1 VDD_PA VDD VSS VSS 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 9 10 11 12 13 14 15 16 25 26 27 28 29 30 31 32 nRF24AP2-USB QFN32 5X5 Exposed die pad |
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