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BK2425WD Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers |
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BK2425WD Datasheet(HTML) 5 Page - List of Unclassifed Manufacturers |
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5 / 30 page ![]() BK2425 Revision 1.0 Proprietary and Confidential Page 5 of 30 3 Pin Information 1 2 3 4 5 BK2425 6 7 8 10 9 14 13 12 11 NC NC NC CE CSN VSS RF NC CDVDD VDD NC 15 16 17 18 19 20 SCK MOSI MISO IRQ XO XI VSS VDD VDD Figure 2 BK2425 pin assignments (top view) for the QFN20 package PIN Name Pin Function Description 1 CE Digital Input Chip Enable Activates RX or TX mode 2 CSN Digital Input SPI Chip Select, Active low 3 SCK Digital Input SPI Clock 4 MOSI Digital Input SPI Slave Data Input 5 MISO Digital Output SPI Slave Data Output with tri-state option 6 IRQ Digital Output Maskable interrupt pin, Active low 7 NC No Connection 8 NC No Connection 9 XO Analog Output Crystal oscillator, node P (inverter output) 10 XI Analog Input Crystal oscillator, node N (inverter input) 11 NC No Connection 12 NC No Connection 13 RFN RF port RF output (PA) /Input (LNA), port N. 14 VSS Ground Ground (0 V) 15 VDD Power Power Supply (1.9 V to 3.6 V DC) 16 VDD Power Supply (1.9 V to 3.6 V DC) 17 VSS Ground Ground (0 V) 18 VDD Power Power Supply (1.9 V to 3.6 V DC) 19 CDVDD Analog Output Digital regulator output decoupling capacitor 20 NC No Connection Table 1 BK2425 QFN20 pin functions |
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