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AN113 

 

 

 

Rev 1.0 | Page 1 / 34 

www.cmostek.com 

 

 

 

 

 

 

 

 

Introduction 

The purpose of this document is to  provide  the  guidelines  for the users to use the  CMT2150A/2250(1)A One-Way RF Link 

Development Kits (Development Kits) in different application schemes. The related part numbers covered by this document is 

shown in table below. 

Table 1. Part Numbers Covered in this Document

 

Part Number 

Description 

CMT2150A

 

True single-chip, highly flexible, high performance, OOK RF transmitter with embedded data encoder 

ideal for 240 to 480 MHz wireless applications

 

CMT2250A

 

True single-chip, ultra low power and high performance device that consists of an OOK RF receiver, a 

data decoder and 4 data output pins for various 300 to 480 MHz wireless applications

 

CMT2251A

 

True single-chip, ultra low power and high performance device that consists of an OOK RF receiver, a 

data decoder and 1 PWM output pin for various 300 to 480 MHz wireless applications.

 

 

The  Development Kits are a set of the hardware and software tools designed to help the users to easily evaluate the 

performance and demonstrate the features of products CMT2150A, CMT2250A and CMT2251A. These devices are part of the 

CMOSTEK Microelectronics Co., Ltd. (CMOSTEK) NextGenRF

TM

  family, which includes  a complete line of transmitters, 

receivers and transceivers. They are optimized for the low system cost, low power consumption, battery-powered one-way RF 

link application with their highly integrated and low power design. 

 

The package of the Development Kits is shown in Figure 1. 

 

 

Figure 1. CMT2150A/2250(1)A One-Way RF Link Development Kits 

AN113 

CMT2150A/2250(1)A One-Way RF Link Development Kits User’s Guide 

Copyright © By CMOSTEK   

Summary of Contents for CMT2150A

Page 1: ...ns CMT2251A True single chip ultra low power and high performance device that consists of an OOK RF receiver a data decoder and 1 PWM output pin for various 300 to 480 MHz wireless applications The De...

Page 2: ...Connector 23 6 2 LED Indicators 23 6 3 USB Socket 24 7 RFPDK 25 7 1 Installation Steps 25 7 2 Starting the RFPDK 25 7 3 Device Control Panel 27 7 3 1 Basic Mode and Advanced Mode 27 7 3 2 Configuratio...

Page 3: ...rcuit Board BOM Bill of Materials PER Packet Error Rate CDROM Compact Disk Read Only Memory PWM Pulse Width Modulation EM Evaluation Module s RF Radio Frequency Err Error RFPDK RF Products Development...

Page 4: ...1 x USB Programmer V1 1 x CDROM with RFPDK installer and documents 1 x USB Cable 6 x AA Batteries 3 x Antennas Please note that the CMT2150A EM is by default configured to work in pair with CMT2250A E...

Page 5: ...dule The user can use it to evaluate the CMT2251A PWM control feature RFPDK CMOSTEK provides the PC application that allows the users to configure all the product features to CMOSTEK NextGenRFTM produ...

Page 6: ...50A EM in Short Pulse manner Periodic Tx Advanced 1 Advanced 1 Periodic transmission from CMT2150A EM to CMT2250A EM Table 3 Application Scheme for CMT2150A EM in Pair with CMT2251A EM Application Sch...

Page 7: ...ould be used as Off button if the On Off button s is set as Separated on the RFPDK K3 K4 K5 K6 Turn on and off the LED1 LED2 LED3 and LED4 on CMT2250A EM respectively The user can follow below instruc...

Page 8: ...rmat 2 The study function is enabled in this scheme while the Sync ID on both of the Tx and Rx side are set to the same by default In order to experience the study function the user should set the Syn...

Page 9: ...B cable then start the RFPDK on the PC 2 Connect the CMT2150A EM to the USB Programmer with EM Connector select CMT2150A on the RFPDK stay in Basic Mode select the Pulse configuration on the configura...

Page 10: ...pressed the largest number of buttons can be pressed at the same time is 2 2 In the LED part Pulse represents that the LED is turned on for 2 seconds and then turned back to off while 0 represents tha...

Page 11: ...stall the latest RFPDK on the PC refer to Section 7 1 Installation Steps and connect the USB programmer to the PC with a USB cable then start the RFPDK on the PC 2 Connect the CMT2150A EM to the USB P...

Page 12: ...onds Study Function on Study Button Pin9 K3 Notes 1 Please refer to the AN112 CMT2150A Configuration Guideline for the introduction of Normal mode of the push button setting and the 1920 encoding form...

Page 13: ...C with a USB cable then start the RFPDK on the PC 2 Connect the CMT2150A EM to the USB Programmer with EM Connector select CMT2150A on the RFPDK select the Advanced Mode select the PWM configuration o...

Page 14: ...rmal scheme by setting the Button Mode on the RFPDK to Normal In this scheme each LED on the CMT2250A EM is controlled by one push button on the CMT2150A EM respectively The push buttons are shown and...

Page 15: ...EM can be used in normal scheme with the following items to be noticed 1 Since the push button which should be connected to Pin12 K0 is not designed on the CMT2150A EM V1 0 with the configuration ste...

Page 16: ...Rev 1 0 Page 16 34 www cmostek com Figure 18 Configuring Data Pin Reset Code of the CMT2250A The user can refer to AN112 CMT2150A Configuration Guideline for more information about the Normal button...

Page 17: ...pin 2 54 mm male connector used to connect to the USB Programmer 2 Power Mode Switch The power mode Switch S1 is used to select the power supply source of the module The module can be supplied by the...

Page 18: ...assigned as increase and decrease buttons 5 In Toggle and PWM modes if On Off Button s on the RFPDK are set to Single only K1 is used as on and off button if On Off Button s is set to Separated K1 is...

Page 19: ...the power supply source of the module The module can be supplied by the battery S1 switched to the VBAT side or the EM Connector S1 switched to the VEXT side It is recommended to put the switch to th...

Page 20: ...n modes and periodic transmission The evaluation module contained in this Development Kits is designed with the matching network at 433 92 MHz For application with different frequencies the matching n...

Page 21: ...to select the power supply source of the module The module can be supplied by the battery S1 switched to the VBAT side or the EM Connector S1 switched to the VEXT side It is recommended to put the swi...

Page 22: ...n modes and periodic transmission The evaluation module contained in this Development Kits is designed with the matching network at 433 92 MHz For application with different frequencies the matching n...

Page 23: ...r The EM Connector on the USB Programmer is 10 pin 2 54 mm female connector as shown below 2 4 6 8 10 9 7 5 3 1 Figure 26 EM Connector Table 14 Pin Descriptions of EM Connector Pin Number Pin Function...

Page 24: ...g programmed Green Err Turned on for 5 seconds when the programming has failed Red USB Turned on when the USB is correctly connected to the PC Green 6 3 USB Socket The USB Programmer contains a type B...

Page 25: ...soft Windows Start button by clicking Start All Programs CMOSTEK RFPDK CMOSTEK RFPDK V1 01 Figure 30 Starting RFPDK from PC Desktop Once the program has started the device selection panel of the RFPDK...

Page 26: ...AN113 Rev 1 0 Page 26 34 www cmostek com Figure 31 Device Selection Panel Select the proper device and then click Next the Device Control Panel appears as below Figure 32 Device Control Panel...

Page 27: ...o select predefined chip configuration from the list including the default configurations provided by CMOSTEK or the customized configurations save by the user For the non default configurations the u...

Page 28: ...e device is connected but the USB Programmer is in Unconnected status Device CMT2150A The device plugged in is different from that selected in the Device Selection Panel The part number of the plugged...

Page 29: ...user asks for any technical support 7 5 Read Device When the device the USB Programmer and the PC RFPDK are properly connected the Read Device function can be used to read out and upload the EEPROM co...

Page 30: ...close the RFPDK before plugging out the USB Programmer and then reboot the PC to resolve this problem Q3 Can I install the RFPDK on a PC on which I don t have administration right A3 CMOSTEK recommen...

Page 31: ...AN113 Rev 1 0 Page 31 34 www cmostek com 9 Document Change List Table 18 Document Change List Rev No Chapter Description of Changes Date 1 0 Initial version 2014 08 13...

Page 32: ...AN113 Rev 1 0 Page 32 34 www cmostek com 10 Appendix CMT2150A EM and CMT2250 1 A EM Schematics Figure 35 CMT2150A EM Schematic Figure 36 CMT2250A EM Schematic...

Page 33: ...AN113 Rev 1 0 Page 33 34 www cmostek com Figure 37 CMT2251A EM Schematic...

Page 34: ...or inaccuracies and specifications within this document are subject to change without notice The material contained herein is the exclusive property of CMOSTEK and shall not be distributed reproduced...

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