SI4455-C2A-GMR Datasheet, PDF(2/39 Page) Silicon Laboratories – EASY-TO-USE, LOW-CURRENT OOK/(G)FSK SUB-GHZ TRANSCEIVER, TRANSMITTER, AND RECEIVER

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SI4455-C2A-GMR Datasheet, PDF (2/39 Pages) Silicon Laboratories – EASY-TO-USE, LOW-CURRENT OOK/(G)FSK SUB-GHZ TRANSCEIVER, TRANSMITTER, AND RECEIVER

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Si4x55-C

Functional Block Diagram

GPIO3

GPIO2

XIN XOUT

SDN

RXp

RXn

Synthesizer

Rx Chain

LNA

VDD

PGA

ADC

Battery

Voltage

Sensor

25-32MHz XO

Rx/Tx

Modem

nSEL

SDI

SDO

SCLK

nIRQ

Aux ADC

GPIO1

GPIO0

Rev 1.0

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