LLCC68 datasheet(62/111 Pages) SEMTECH

62 / 111 page

LLCC68

Data Sheet

Rev. 1.1

DS.LLCC68.W.APP

Dec 2024

62 of 111

Semtech

LLCC68

www.semtech.com

11.2 Register and Buffer Access Commands

11.3 DIO and IRQ Control

11.4 RF, Modulation and Packet Commands

Table 11-2: Commands to Access the Radio Registers and FIFO Buffer

Command

Opcode

Parameters

Description

WriteRegister

0x0D

address[15:0], data[0:n]

Write into one or several registers

ReadRegister

0x1D

address[15:0]

Read one or several registers

WriteBuffer

0x0E

offset, data[0:n]

Write data into the FIFO

ReadBuffer

0x1E

offset

Read data from the FIFO

Table 11-3: Commands Controlling the Radio IRQs and DIOs

Command

Opcode

Parameters

Description

SetDioIrqParams

0x08

IrqMask[15:0],

Dio1Mask[15:0],

Dio2Mask[15:0],

Dio3Mask[15:0],

Configure the IRQ and the DIOs attached to each IRQ

GetIrqStatus

0x12

Get the values of the triggered IRQs

ClearIrqStatus

0x02

Clear one or several of the IRQs

SetDIO2AsRfSwitchCtrl

0x9D

enable

Configure radio to control an RF switch from DIO2

SetDIO3AsTcxoCtrl

0x97

tcxoVoltage, timeout[23:0]

Configure the radio to use a TCXO controlled by DIO3

Table 11-4: Commands Controlling the RF and Packets Settings

Command

Opcode

Parameters

Description

SetRfFrequency

0x86

rfFreq[31:0]

Set the RF frequency of the radio

SetPacketType

0x8A

protocol

Select the packet type corresponding

to the modem

GetPacketType

0x11

Get the current packet configuration

for the device

SetTxParams

0x8E

power, rampTime

Set output power and ramp time for

the PA

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