Receiver RF module SPI interface point to multipoint

General Description

VT-CC113L-433M is based on RF Transceiver CC113L of TI Chipcon,it’s a small size and ultra low power UHF wireless module. CC113L is a low cost true single chip UHF transmitter designed for very low power wireless applications. The circuit is mainly intended for the ISM (Industrial, Scientific and Medical) and SRD (Short Range Device) frequency bands at 315, 433, 868 and 915 MHz with data rate as high as 600Kbps. The module integrated many RF functions thus you can use it conveniently and reducing your development time.

Features

433MHz transceiver, frequency at bands 387~464MHz can be customized

Programmable baseband modulator with 2-FSK/4-FSK/GFSK/OOK

Programmable output power from -20 to +10dBm

High receiver sensitivity down to -116dBm(at 0.6Kbps data rate)

Programmable data rate 0.6~600kbps

Low current consumption with DC 1.8~3.6V supply voltage

Point to point, point to multipoint communication

Support carrier sense and digital RSSI output.

Get higher performance RF system when operation with MCU

High stability and reliability up to industrial standards

SPI interface

Small dimension: 19.0mm×17.0mm×2.4 mm

Applications

Work with CC115L transmitter to make up a low cost application

Industrial monitoring and control in data acquisition

Home and building automation

Consumer Electronics products of wireless control

Wireless alarm and security systems

Wireless sensor networks

General Characteristics

Test operating conditions:Ta=25°C,VCC=3.3V if nothing else stated.

Parameter Type Condition/Note

Operating supply voltage DC 1.8~3.6V

Central frequency 433MHz Can be programmable to other frequency at bands 387~464MHz

Frequency accuracy ±10KHz

Modulation format 2-FSK/4-FSK/GFSK/OOK Programmable

Receiver sensitivity -110dBm 2.4Kbps

RX current consumption ≤20mA 2.4Kbps

Sleep State current consumption <1uA Refer to IC operation states

Data rate 0.6~600kbps Programmable

Communication distance >200m CC113L as a transmitter, 2-FSK modulation, 1.2kBaud data rata, +10dBm output power.

Antenna impedance 50ohm

Operating temperature -20~+75 °C

Storage temperature range -50~+125°C

Dimension 19.0 mm×17.0 mm×2.4mm See more in PCB description

Note:

1.The module transmission data rate will affect Transmission distance ,the higher the data rate , the closer the distance, and the lower the receiving sensitivity.

2.The supply voltage to the module will affect TX power, in the operating supply voltage range, the lower the voltage, the lower the TX power.

3.The module central frequency will change as the operating temperature change, use it under suggest temperature, the module can work well.

4.The antenna will strongly affect the communication distance, please select matched antenna and connect it correctly.

5.The module mount will affect the communication distance.

PCB Description

Pin Configuration

Pin name Pin type Description

3.3V Power(Analog) 1.8 V - 3.6 V analog power supply connection.

GND Ground Connect to the system ground.

SI Digital Input Serial configuration interface, data input.

SCLK Digital Input Serial configuration interface, clock input.

SO Digital Output Serial configuration interface, data output.

Optional general output pin when CSN is high.

GDO2 Digital I/O Programmable Clock output, down-divided from XOSC

GDO0 Digital I/O Programmable Clock output, down-divided from XOSC.

CSN Digital Input Serial configuration interface, chip select, active low.

ANT RF I/O RF output signal from PA, connect to the Antenna.