BLUENRG-MSCSP datasheet(14/42 Pages) STMICROELECTRONICS

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Application circuits

BlueNRG-MS

Component

Description

C16

RF balun/matching network capacitor High Performance

RF balun/matching network capacitor Standard mode

C17

16/32 MHz crystal loading capacitor

C18

16/32 MHz crystal loading capacitor

C19

Decoupling capacitor for 1.8 V digital regulator

C20

Decoupling capacitor for 1.8 V digital regulator

C21

RF balun/matching network capacitor High Performance, RF balun/matching network capacitor

Standard mode

DC-DC converter input inductor, Isat > 100 mA, Q > 25

RF balun/matching network inductor High Performance

RF balun/matching network inductor Standard mode

RF balun/matching network inductor High Performance

RF balun/matching network inductor Standard mode

RF balun/matching network inductor High Performance

RF balun/matching network inductor Standard mode

Pull-down resistor on the SPI_IRQ line

(can be replaced by the internal pull-down of the Application MCU)

XTAL1

32 kHz crystal (optional)

XTAL2

16/32 MHz crystal

Notes:

(1)Values valid only for the crystal NDK NX3215SA-32.768 kHz-EXS00A-MU00003. For other crystals refer to what specified in

their datasheet.

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DocID027103 Rev 6

BLUENRG-MSCSP Datasheet(PDF) 14 Page - STMicroelectronics