V-Chip Microsystems VT-CC2500PA-M1 User manual

VT-CC2500PA-M1
VT-CC2500PA-M1
VT-CC2500PA-M1
VT-CC2500PA-M1 Wireless
Wireless
Wireless
Wireless Module
Module
Module
Module
User
User
User
User Guide
Guide
Guide
Guide
V-CHIP MICROSYSTEMS Co. Ltd
Address: Room 612-613, Science and Technology Service Center Building,
NO.1, Qilin Road, Nanshan District, Shenzhen, Guangdong
TEL ：[phone]
FAX ：[phone]
E-mail ：[e-mail]
Post Code ：518052
Web Site ：www.digiRF.com

COPYRIGHT @ 2012 Shenzhen V-CHIP MICROSYSTEMS Co. Ltd VERSION:
VT-CC2500-APR-2012
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
General
General
General
General Description
Description
Description
Description
VT-CC2500PA-M1 is based on RF transceiver CC2500 of TI Chipcon. CC2500 is a low-cost 2.4 GHz
transceiver designed for very low power wireless applications. The circuit is intended for the 2400-2483.5 MHz
ISM (Industrial, Scientific and Medical) and SRD (Short Range Device) frequency band. The max RF output
power can be set as high as +1dBm, with data rate as high as 500Kbps. The module integrated PA CC2591 to
make the max RF output power up to +20dBm. There is an inverted F antenna on the module. So you can use the
module conveniently and reducing your development time.
Features
Features
Features
Features
�
Central frequency is 2433MHz,
Frequency bands
: 2400~2483.5MHz
�Programmable output power up to +20dBm, the transmission distance
is above 1000m in sight .
�High receiver sensitivity down to -109dBm(2.4Kbps)
�Programmable baseband modulator with
GFSK/2-FSK/ASK/OOK/MSK
�Programmable data rate 1.2 ～500Kbps
�
Separate 64-byte transmit/receive FIFOs.
�
Built-in CRC check ensure data transmission reliably.
�
Support carrier sense indicator and digital RSSI output.
�Low current consumption with receive mode <30mA, transmit mode at +20dBm output power <160mA
�Low current consumption at power down state <2uA
�Wake-on-radio functionality for automatic low-power RX polling
�
Integrated analog temperature sensor
�
Efficient SPI interface, all registers can be programmed with one “ burst ” transfer
�Small dimension: 30.0mm × 21.0mm × 2.4 mm
�Operating supply voltage: 2.4 ～3.6V DC
Applications
Applications
Applications
Applications
�Logistics Tracking System, Warehouse patrol, Electronic label.
�Replace RS232 and RS485 in data transmission
�Industrial monitoring and control in data acquisition
�
AMR – Automatic Meter Reading
�
Home and building automation
�Consumer Electronics products of wireless control
�Wireless alarm and security systems
�Wireless sensor networks

COPYRIGHT @ 2012 Shenzhen V-CHIP MICROSYSTEMS Co. Ltd VERSION:
VT-CC2500-APR-2012
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1

COPYRIGHT @ 2012 Shenzhen V-CHIP MICROSYSTEMS Co. Ltd VERSION:
VT-CC2500-APR-2012
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
General
General
General
General Characteristics
Characteristics
Characteristics
Characteristics
Test operating conditions ：Ta=25 ° C ，VCC=3.3V if nothing else stated.
Parameter
Parameter
Parameter
Parameter Type
Type
Type
Type Condition/Note
Condition/Note
Condition/Note
Condition/Note
Operating supply voltage DC 2.4 ～3.6V
Central frequency 2433MHz
Can be programmable to other frequency in bands
2400~2483.5MHz
Frequency accuracy ± 30KHz
Modulation format
GFSK/2-FSK/ASK/OOK/M
SK
Programmable
Transmit power -30 ～+20dBm Programmable
TX current consumption <160mA Po=+20dBm
Receiver sensitivity -109dBm 2.4Kbps
RX current consumption <30mA 2.4Kbps
Sleep State current consumption <2uA Refer to IC operation states
Data rate 1.2 ～500Kbps Programmable
Spurious emissions and harmonics < -30dBm TX power +10dBm.
Communication distance >1000m
2-FSK modulation, 2.4kbps data rata, +20dBm
output power.
Antenna impedance 50ohm Multilayer Chip Antenna
Operating temperature -20 ～+75 ° C
Storage temperature range -50 ～+125 ° C
Dimension 30.0mm × 21.0mm × 2.4mm See more in PCB description
Note
Note
Note
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.

COPYRIGHT @ 2012 Shenzhen V-CHIP MICROSYSTEMS Co. Ltd VERSION:
VT-CC2500-APR-2012
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
PCB
PCB
PCB
PCB Description
Description
Description
Description
Pin
Pin
Pin
Pin Configuration
Configuration
Configuration
Configuration
Pin
Pin
Pin
Pin name
name
name
name Pin
Pin
Pin
Pin type
type
type
type Description
Description
Description
Description
3.3V Power(Analog) 2.4 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.
PA Digital Input
RX mode ：LNA=0 （Low ）； PA=1 （High ）
TX mode ：LNA=1 （High ）； PA=0 （Low ）LNA Digital Input

COPYRIGHT @ 2012 Shenzhen V-CHIP MICROSYSTEMS Co. Ltd VERSION:
VT-CC2500-APR-2012
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
Circuit
Circuit
Circuit
Circuit Interface
Interface
Interface
Interface
Note
Note
Note
Note ：
1．The module power supply voltage range is DC 1.8 ～3.6V, above DC 3.6V, the module will damage. It is
recommended work at DC 3.3 V.
2．The module interface use half circle pad to soldering on the system PCB board, the GND must soldering to
the system digital GND reliably.
3．The antenna must the get to the module ’ s ANT pin as close as possible.
4．The MCU which don ’ t have integrated SPI interface can also control the module, use the normal I/O port to
work like SPI timing to read and write. The SPI data rate is below 10MHz.
5．The interface can connect directly to the MCU which use 3.3V power supply, there is no need serial resistor.
If the I/O is open-drain, the pull-up resistor will be added. When connect to the MCU which use 5V power
supply, the MCU ’ s I/O output current beyond 10 mA, a 2~5k ohm resistor will be series to divide the voltage,
or it will damage the module.
6．The module ’ s pin GDO0 is a general digital I/O port, it can be programmable to produce trigger signal or
clock output.
7．The PA control voltage have an effect on the communicate distance and power consumption. In transmit mode,
set TE=0 and RE=1; in receive or sleep mode, set TE=1 and RE=0.
8．In the multiple channel application, the channel spacing is recommended to set as 1MHz, or there will be a
same frequency interference.

COPYRIGHT @ 2012 Shenzhen V-CHIP MICROSYSTEMS Co. Ltd VERSION:
VT-CC2500-APR-2012
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
Operation
Operation
Operation
Operation States
States
States
States
CC2500 ’ s operation states contain: Sleep State, Idle State, Active State ，Sleep State is the lowest power mode.
After wake up from Sleep State, the module get into Idle State. Except the Sleep State, each state can be switch by
SPI interface, also programmed to auto-switch. CC2500 ’ s radio control state diagram is shown as below, for detail
information in the CC2500 datasheet.

COPYRIGHT @ 2012 Shenzhen V-CHIP MICROSYSTEMS Co. Ltd VERSION:
VT-CC2500-APR-2012
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
Data
Data
Data
Data Transmission
Transmission
Transmission
Transmission
The CC2500 contains a 64 byte transmit/receive FIFOs, built-in hardware support for packet oriented radio
protocols, e.g. Preamble bytes, Synchronization Word, Whitening the data, CRC checksum, Interleave and
Forward Error Code, Address checksum. The SPI interface is used for sending commend control and writing to
the TX FIFO.
The format of the data packet can be configured and consists of the following figure ：
In addition, CC2500 supports fixed packet length protocols, variable packet length protocols and infinite packet
length. Details refer to the CC2500 datasheet.
Configuration
Configuration
Configuration
Configuration Registers
Registers
Registers
Registers
The configuration of CC2500 can be done with software SmartRF Studio7. Complete descriptions of the registers
are given in the CC2500 datasheet. We can provide evaluation board and demo code to the customer to develop
and evaluate the module ’ s capability.
Dimension
Dimension
Dimension
Dimension

COPYRIGHT @ 2012 Shenzhen V-CHIP MICROSYSTEMS Co. Ltd VERSION:
VT-CC2500-APR-2012
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
Questions
Questions
Questions
Questions and
and
and
and Answers
Answers
Answers
Answers
Description
Description
Description
Description Reason
Reason
Reason
Reason and
and
and
and Solution
Solution
Solution
Solution
Can ’ t
communication
1．The power supply connect not well, check the module VCC whether it is out of maximum
rating.
2．The signal line connect not well, check the module SPI interface.
3．The settings of the transmitter module and receiver module are not the same. Check these
modules ’ register configuration.
4．Signal block. If the transmitter work with a high TX power, and the receiver was put at a short
distance(<0.5m), maybe there is a signal block to make no communication.
Communication
distance is too
short
1．The application environment is too bad or the antenna is shield. Put the antenna to a better place
outside or higher throw a coaxial line , replace it with a higher gain antenna.
2．The work space contains a same frequency interference source, or a strong magnetic field
interference, power source disturbance. Try to change the carrier frequency or get far away from
the source of the disturbance.
3．The power supply is not strong. Check the voltage and the current whether it is enough.
High data error
1．The power supply ripple is too big, Change the power supply.
2．Check the module register configuration, it is recommended to set as the CC2500-datasheet.
3．There is a carrier frequency interference, change the channel.
4．The antenna unmatched to the module RF interface, change another matched antenna.
Development
Development
Development
Development Package:
Package:
Package:
Package:
1. CC2500 datasheet （CC2500.pdf ）
2. CC2500 register configuration tool （SmartRF Studio 7 v1.4.9.zip ）
3. CC2500 demo code (CC2500 Demo Code.rar ）
4. Hard ware tools （TI Chipcon Evaluation Board ）
Note
Note
Note
Note ：
1
1
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development materials.
materials.
materials.
materials.

COPYRIGHT @ 2012 Shenzhen V-CHIP MICROSYSTEMS Co. Ltd VERSION:
VT-CC2500-APR-2012
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
VT-CC2500-M1
IMPORTANT
IMPORTANT
IMPORTANT
IMPORTANT NOTICE
NOTICE
NOTICE
NOTICE
V-CHIP MICROSYSTEMS Co. Ltd (below called V-CHIP) reserve the right to make corrections,
modifications, enhancements, improvements, and other changes to its products and services at any time and
to discontinue any product or service without notice. Customers should obtain the latest relevant information
before placing orders and should verify that such information is current and complete.
V-CHIP warrants performance of its hardware products to the specifications applicable at the time of sale
in accordance with V-CHIP ’ s standard warranty.
V-CHIP does not warrant or represent that any license, either express or implied, is granted under any
V-CHIP patent right, copyright, mask work right, or other V-CHIP intellectual property right relating to any
combination, machine, or process in which V-CHIP products or services are used. Reproduction of V-CHIP
information in V-CHIP data books or data sheets is permissible only if reproduction is without alteration and
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