LLCC68 datasheet(87/106 Pages) SEMTECH

tên linh kiện	LLCC68

Giải thích chi tiết về linh kiện	Long Range, Low Power, sub-GHz RF Transceiver

PDF	106 Pages

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nhà sản xuất	SEMTECH [Semtech Corporation]

Trang chủ	http://www.semtech.com

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87 / 106 page

LLCC68

Data Sheet

Rev. 1.0

DS.LLCC68.W.APP

July 2019

87 of 106

Semtech

www.semtech.com

When the byte headerType is at 0x00, the payload length, coding rate and the header CRC will be added to the LoRa®

header and transported to the receiver.

13.4.7 SetCadParams

The command SetCadConfig(...) defines the number of symbols on which CAD operates.

The number of symbols used is defined in the following table.

Table 13-68: LoRa® PacketParam4 - PayloadLength

Payloadlength

Description

0x00 to 0xFF

Size of the payload (in bytes) to transmit or maximum size of the

payload that the receiver can accept.

Table 13-69: LoRa® PacketParam5 - CRCType

CRCType

Description

0x00

CRC OFF

0x01

CRC ON

Table 13-70: LoRa® PacketParam6 - InvertIQ

AddrComp

Description

0x00

Standard IQ setup

0x01

Inverted IQ setup

Table 13-71: SetCadParams SPI Transaction

Byte

5-7

Data from

host

Opcode = 0x88

cadSymbolNum

cadDetPeak

cadDetMin

cadExitMode

cadTimeout(23:0)

Table 13-72: CAD Number of Symbol Definition

cadSymbolNum

Value

Number of Symbols used for CAD

CAD_ON_1_SYMB

0x00

CAD_ON_2_SYMB

0x01

CAD_ON_4_SYMB

0x02

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