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BC9824 Fiches technique(PDF) 2 Page - Holtek Semiconductor Inc |
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BC9824 Fiches technique(HTML) 2 Page - Holtek Semiconductor Inc |
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2 / 22 page ![]() Rev. 1.00 2 October 20, 2015 BC9824 Pin Assignment MOSI BC9824 20 QFN-A VDDPA RFP RFN VSS VDD3RXRF CSN IRQ MISO CE 1 2 3 4 5 67 89 10 11 12 13 14 15 16 17 18 19 20 Pin Description Pin No. Symbol I/O Function Description RF and Analog 2 RFP RF RF output (PA)/input (LNA), port P 3 RFN RF RF output (PA)/input (LNA), port N 7 CDVDD O Digital regulator output decoupling capacitor 18 XTALP O Crystal oscillator, node P (inverter output) 19 XTALN I Crystal oscillator, node N (inverter input) Digital 11 CE DI Chip enable activates RX or TX mode 12 CSN DI SPI chip select, active low 13 IRQ DO Maskable interrupt pin, active low 14 MISO DO SPI slave data output with tri-state option 15 MOSI DI SPI slave data input 16 SCK DI SPI clock Power and Ground 1 VDDPA Power 1.8V regulator output for PA,TX:1.8V, RX:0V 5 VDD3RXRF Power RX front-end power supply (1.9V to 3.6V DC) 6 VDD3IF Power RX/TX IF power supply (1.9V to 3.6V DC) 8 VDD3B Power Digital power supply (1.9V to 3.6V DC) 4 VSS Ground Ground (0V) 9 VSS Ground Ground (0V) 17 VSS Ground Ground (0V) 20 VSS Ground Ground (0V) 10 NC − No connection |
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