NiceRF LoRa-CC68 Manual del propietario

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www.nicerf.com LoRa-CC68

NiceRF Wireless Technology Co., Ltd. Rev 1.0

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Catalogue

1.Overview ..................................................................................................................................................................- 3 -

2.Features..................................................................................................................................................................... - 3 -

3.Applications..............................................................................................................................................................- 3 -

4.Electrical Characteristics(@Vcc=3.3v ANT connected to 50 ohm load) .................................................................- 4 -

5.Typical application circuit ........................................................................................................................................- 4 -

6.Module performance index....................................................................................................................................... - 5 -

7.Pin definition ............................................................................................................................................................- 7 -

8. Communication Antenna .........................................................................................................................................- 8 -

9.Mechanical Dimensions(Unit:mm)...........................................................................................................................- 8 -

10.Product order information....................................................................................................................................... - 9 -

11.Common problem ...................................................................................................................................................- 9 -

Appendix 1:SMD Reflow Chart ................................................................................................................................- 10 -

Appendix 2:Demo Board........................................................................................................................................... - 11 -

Note: Revision History

Revision

Date

Comment

V1.0

2021-06

First release

www.nicerf.com LoRa-CC68

NiceRF Wireless Technology Co., Ltd. Rev 1.0

[email protected]

- 3 -

1.Overview

The LoRa-CC68 wireless module uses Semtech's LLCC68 device, ultra-low receive current and sleep

current, and sensitivity of -129dBm. Built-in 64KHz crystal oscillator can wake up the microcontroller

periodically under low power consumption. The module antenna switch is integrated and controlled by

the chip, which saves the resources of the external MCU. The compact size and 8~10dBm output power

have great advantages in IoT and battery-powered applications.

LoRa-CC68 comply with lead-free craft in production and testing and meets RoHS and Reach standards.

Module

Chip

Frequency Band

Crystal

LoRa-CC68-868-T

LLCC68

Center 868 MHz

1ppm Industrial grade

crystal oscillator

LoRa-CC68-915-T

LLCC68

Center 915 MHz

1ppm Industrial grade

crystal oscillator

LoRa-CC68-868

LLCC68

Center 868 MHz

10ppm Industrial grade

crystal oscillator

LoRa-CC68-915

LLCC68

Center 915 MHz

10ppm Industrial grade

crystal oscillator

2.Features

255 bytes FiFo

Data transfer rate：

0.6-300 Kbps @FSK

1.76-62.5 Kbps @Lora

Frequency Range：868/915 MHz

Sensitivity：-129dBm @LoRa

Maximum output power：8~10 dBm

Industrial grade high precision crystal oscillator

LoRa,(G)FSK

Applications

Industrial meter reading

Parking lot sensor management

Industrial automation

Agricultural sensor

Smart city

Remote control

Street lights

Logistics management

Environmental sensor

Health products

Security products

Warehouse management

www.nicerf.com LoRa-CC68

NiceRF Wireless Technology Co., Ltd. Rev 1.0

[email protected]

- 4 -

4.Electrical Characteristics(@Vcc=3.3v ANT connected to 50 ohm load)

★Note: The default shipment is ordinary crystal oscillator version. If needs, the TCXO crystal

oscillator version can also be customized.

Parameter

Min.

Typ.

Max.

Unit

Condition

Operation Condition

Working voltage

1.8

3.3

3.7

Temperature range

-40

℃

Current Consumption

RX current

< 5

@ crystal oscillator

TX current

< 130

@868MHz @915MHz

< 110

@433MHz @490MHz

Sleep current

1.9

OFF mode (SLEEP mode with cold start)

All blocks off

2.3

SLEEP mode (SLEEP mode with warm start)

Configuration retained

2.9

SLEEP mode (SLEEP mode with warm start)

Configuration retained + RC64k

0.56

STDBY_RC mode ，RC13M, XOSC OFF

2.35

STDBY_XOSC mode ，XOSC ON

RF Parameter

Frequency range

400

433

450

MHz

@433MHz

470

490

510

MHz

@490MHz

848

868

888

MHz

@868MHz

900

915

940

MHz

@915MHz

Output power

-15

dBm

Receiving sensitivity

-129

dBm

@LoRa BW=250KHz_SF = 10_CR=4/5

5.Typical application circuit

www.nicerf.com LoRa-CC68

NiceRF Wireless Technology Co., Ltd. Rev 1.0

[email protected]

- 7 -

6.Pin definition

Pin NO.

Pin name

Description

GND

Power ground

MISO

SPI Output for SPI data

MOSI

SPI Input for SPI data

SCK

Serial clock for SPI interface

NSS

SPI enable

NRESET

Reset input

7、12、14

Empty

GND

Power ground

ANT

Connect with 50 ohm coaxial antenna

GND

Power ground

DIO3

Digital I/O

VCC

Connected power supply（default3.3V）

DIO1

Digital I/O

BUSY

Used for status indication, see datasheet for details.

www.nicerf.com LoRa-CC68

NiceRF Wireless Technology Co., Ltd. Rev 1.0

[email protected]

- 8 -

7. Communication Antenna

Antenna is very important for RF communication, its performance will affect the communication

directly. To ensure module in the best performance, we suggest to use the our antenna.

★To ensure modules get the best performance, user must obey the following principles when using

the antennas：

Put the antenna away from the ground and obstacles as possible as you could；

If you choose the sucker antenna, pull straight the lead wire as possible as it can be, the sucker

under arches should be attached on the metal object.

8.Mechanical Dimensions(Unit:mm)

www.nicerf.com LoRa-CC68

NiceRF Wireless Technology Co., Ltd. Rev 1.0

[email protected]

- 9 -

9.Product order information

For example: If the customer needs 868MHz Frequency, the order no. shall be LoRa-CC68-868.

Product Name

Description

LoRa-CC68-433

LLCC68 chip. Working frequency 433MHz

LoRa-CC68-490

LLCC68 chip. Working frequency 490MHz

LoRa-CC68-868

LLCC68 chip. Working frequency 868MHz

LoRa-CC68-915

LLCC68 chip., Working frequency 915MHz

11.Common problem

a) Why can't the normal communication between the modules?

1) The power connection is wrong and the module is not working normally;

2) Check whether the frequency bands of each module and other RF parameters are

consistent;

3) Whether the module is damaged.

b) Why is the transmission distance not far?

1) The power supply ripple is too large;

2) The antenna type is not matched or installed incorrectly;

3) Surrounding co-channel interference;

4) The surrounding environment is harsh and there are strong interference sources.

www.nicerf.com LoRa-CC68

NiceRF Wireless Technology Co., Ltd. Rev 1.0

[email protected]

- 10 -

Appendix 1:SMD Reflow Chart

We recommend you should obey the IPC related standards in setting the reflow profile:

www.nicerf.com LoRa-CC68

NiceRF Wireless Technology Co., Ltd. Rev 1.0

[email protected]

- 11 -

Appendix 2:Demo Board

The module is equipped with a standard DEMO board for customer to debug the program and test

distance. The power supply voltage range: 3.3V~6.0V. It shows as below:

The LCD Full Segment is as below:

The users can set the parameters of the RF module such as frequency /transmitter power /

transmission data rate through the buttons.

www.nicerf.com LoRa-CC68

NiceRF Wireless Technology Co., Ltd. Rev 1.0

[email protected]

- 12 -

Working Mode

1) Tx normal mode: send data packets regularly (in the setting mode, data packets will not be sent

temporarily);

2) Rx normal mode: Power on and enter the receiving state, receive data packets, and then send out

the correctly received data packets;

3) Tx Test Mode: RF module continuously transmit signal;

4) Rx Test Mode: RF module is always in Rx mode;

5) Standby Mode: RF module is always in standby state.

Button Operation

1) [SET] Button

Press the key to enter the setting mode. If the last parameter is set, the key will exit the setting mode.

2) UP /Down Button

In setting mode,press to modify the corresponding setting parameters.

Note: The DEMO board has FLASH memory inside, all the setting parameters will behave

automatically and keep unchanged even power-off.

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