LLCC68 datasheet(86/106 Pages) SEMTECH

No. de pieza	LLCC68

Descripción Electrónicos	Long Range, Low Power, sub-GHz RF Transceiver

PDF	106 Pages

Scroll/Zoom	100%

Fabricante Electrónico	SEMTECH [Semtech Corporation]

Página de inicio	http://www.semtech.com

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86 / 106 page

LLCC68

Data Sheet

Rev. 1.0

DS.LLCC68.W.APP

July 2019

86 of 106

Semtech

www.semtech.com

13.4.6.2 LoRa® Packet Parameters

The tables below provide more details on the LoRa® packets parameters:

The preamble length is a 16-bit value which represents the number of LoRa® symbols which will be sent by the radio.

Table 13-63: CRC Polynomial Programming

Default Value

CRC MSB polynomial value [15:8]

0x06BE

0x10

CRC LSB polynomial value [7:0]

0x06BF

0x21

Table 13-64: GFSK PacketParam9 - Whitening

AddrComp

Description

0x00

No encoding

0x01

Whitening enable

Table 13-65: Whitening Initial Value

Whitening initial value

Default Value

Whitening initial value MSB

0x06B8

0x01

Whitening initial value LSB

0x06B9

0x00

Table 13-66: LoRa® PacketParam1 & PacketParam2 - PreambleLength

PreambleLength (15:0)

Description

0x0001 to 0xFFFF

preamble length: number of symbols sent as preamble

Table 13-67: LoRa® PacketParam3 - HeaderType

HeaderType

Description

0x00

Variable length packet (explicit header)

0x01

Fixed length packet (implicit header)

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