AX5243 datasheet(6/65 Pages) ONSEMI

Part #	AX5243

Description	Advanced high performance ASK

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Manufacturer	ONSEMI [ON Semiconductor]

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Overview

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AX5243

6

Sophisticated radio controller



Fully automatic packet reception and

transmission without micro-controller

intervention



Supports HDLC, Raw, Wireless M-Bus

frames and arbitrary defined frames



Automatic channel noise level tracking



s resolution timestamps for exact

timing (e.g. for frequency hopping

systems)



256 Byte micro-programmable FIFO,

optionally supports packet sizes >

256 Bytes



3 matching units for preamble byte,

sync-word and address



Ability to store RSSI, frequency offset

and data-rate offset with the packet

data



Multiple receiver parameter sets allow

the use of more aggressive receiver

parameters during preamble,

dramatically shortening the required

preamble length at no sensitivity

degradation

Advanced Crystal Oscillator



Fast start-up and lowest power

steady-state XTAL oscillator for a

wide range of crystals



Integrated crystal tuning capacitors



Possibility of applying an external

clock reference (TCXO)

Miscellaneous features



Few external components



SPI microcontroller interface



Extended AXSEM register set



Fully integrated current/voltage

references



QFN20 4 mm x 4 mm package



Internal power-on-reset



Brown-out detection



10 bit 1MS/s General Purpose ADC

(GPADC)

1.2. Applications

27 – 1050 MHz licensed and unlicensed

radio systems.



Internet of Things



Automatic meter reading (AMR)



Security applications



Building automation



Wireless networks



Messaging Paging



Compatible with: Wireless M-Bus,

POCSAG, FLEX, KNX, Sigfox, Z-

Wave, enocean



Regulatory regimes: EN 300 220

V2.3.1 including the narrow-band

12.5 kHz, 20 kHz and 25 kHz

definitions; EN 300 422; FCC Part

15.247; FCC Part 15.249; FCC Part

90 6.25 kHz, 12.5 kHz and 25 kHz

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