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CMT2150A/2250(1)A One-Way RF Link Development Kits User's Guide
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.
Part Number
True single-chip, highly flexible, high performance, OOK RF transmitter with embedded data encoder
CMT2150A
ideal for 240 to 480 MHz wireless applications
True single-chip, ultra low power and high performance device that consists of an OOK RF receiver, a
CMT2250A
data decoder and 4 data output pins for various 300 to 480 MHz wireless applications
True single-chip, ultra low power and high performance device that consists of an OOK RF receiver, a
CMT2251A
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
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
Copyright © By CMOSTEK
Table 1. Part Numbers Covered in this Document
Rev 1.0 | Page 1/34
Description
TM
family, which include a complete line of transmitters,
AN113
AN113
www.hoperf.com
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Summary of Contents for CMOSTEK CMT2 5 Series
- Page 1 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 family, which include a complete line of transmitters, receivers and transceivers.
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Page 2: Table Of Contents
AN113 Table of Contents 1. Development Kits Contents ............................4 2. Application Schemes ..............................6 2.1 LED On/Off................................7 2.2 Pulse ..................................8 2.3 Periodic Tx ................................10 2.4 PWM ................................... 12 2.5 Normal ................................14 3. CMT2150A-EM ................................17 4. - Page 3 AN113 Abbreviations Abbreviations used in this document are described below. Application Notes Personal Computer Application Programming Interface Printed Circuit Board Bill of Materials Packet Error Rate CDROM Compact Disk Read Only Memory Pulse Width Modulation Evaluation Module(s) Radio Frequency Error RFPDK RF Products Development Kit Identification...
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Page 4: Development Kits Contents
AN113 1. Development Kits Contents The Development Kits contain the following components: 1 x CMT2150A-EM V1.0 Tx module 1 x CMT2250A-EM V1.0 Rx on-off control module 1 x CMT2251A-EM V1.0 Rx PWM control module 1 x USB Programmer V1 ... - Page 5 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 NextGenRF products in the most intuitional way. The installation pack can be found on the CDROM of the CMT2150A/2250(1)A One-Way RF Link Development Kits.
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Page 6: Application Schemes
2. Application Schemes In order to help to user to start using the Development Kits easily, CMOSTEK has defined a few configurations with different application schemes on the RFPDK. The user only needs to follow the guidelines in the subsections of this chapter, program the configuration to the corresponding evaluation modules and start the evaluation. -
Page 7: Led On/Off
AN113 2.1 LED On/Off In the LED On/Off scheme, the user can experience to push buttons on the transmitter module to turn on and off the LEDs on the receiver module. Push buttons on the CMT2150A-EM and the 4 LEDs on CMT2250A-EM are shown and described as below. -
Page 8: Pulse
AN113 Figure 6. Selecting the LED On/Off Configuration of CMT2250A After both of the modules are programmed done successfully, the user can start evaluate the LED On/Off control scheme. A few key parameters settings in this application scheme are: Frequency = 433.92 MHz ... - Page 9 AN113 Table 5. Push Buttons Functions Definition of Pulse Scheme Push Button Function Description Turn on the LED(s) on the CMT2250A-EM for 2 seconds in the manner shown in Table 6, and then K1, K2,K3, K4, K5 the LED(s) will be switched off automatically. Not used in this scheme The user can follow below instructions to experience the Pulse scheme.
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Page 10: Periodic Tx
AN113 Table 6. Mapping from K1-K5 to LED1-LED4 in Matrix Button Mode Push Buttons on CMT2150A-EM LED CMT2250A-EM LED1 LED2 LED3 LED4 Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse Pulse... - Page 11 AN113 Figure 10. EMs Used to Experience Periodic Tx Scheme Table 7. Push Buttons Functions Definition of Periodic Tx Scheme Push Button Function Description K1, K2 Manually turn the LED1-LED3 on for 500 ms and turn them back to off. Manually turn the LED1-LED3 on for 500 ms and turn them back to off.
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Page 12: Pwm
AN113 In this scheme, the Tx module repeat transmission in every 3 seconds, and in each transmission, 6 predefined packets are sent out. After CMT2250A-EM received the packets successfully, LED1-3 will be turned on at the same time for 500ms and turned back to off. - Page 13 AN113 Table 8. Push Buttons Functions Definition of PWM Scheme Push Button Function Description Turn the LED1 on the CMT2251A-EM to 100% on. Press K1 more than for 5 seconds will send out the study packet. Turn the LED1 off Increase the brightness of the LED1 in 1.5% step size till 100% on.
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Page 14: Normal
AN113 Notes: Install 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. The study function is enabled in this scheme, while the Sync ID on both of the Tx and Rx side are set to be the same by default. - Page 15 AN113 Figure 17. Configuring the Normal Scheme Based on LED On/Off Scheme Start from CMT2150A – Basic Mode – LED On/Off Configuration Change the Button Mode from Toggle to Normal, please note that by changing this, the Study Button is changed to Pin12(K0) by default.
- Page 16 AN113 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 mode. Rev 1.0 | Page 16/34 www.hoperf.com...
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Page 17: Cmt2150A-Em
AN113 3. CMT2150A-EM The CMT2150A-EM is the Tx module with a CMT2150A device, 6 push buttons, battery case and a couple of necessary external components. The EM-Connector on the back side of the module allows the connection to the USB Programmer. The main components are listed below: Figure 19. - Page 18 AN113 Table 10. Push Button Function in Different Button Modes Button Modes Push Button [3][5] [4][5] Normal Matrix Toggle K1, ON/OFF ON/OFF ON/OFF K2, (OFF) (OFF) (OFF) Increase Decrease Notes [1]. In Normal mode, the functions of 8 pins are not printed, because they are flexibly configurable by the user using the RFPDK.
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Page 19: Cmt2250A-Em
AN113 4. CMT2250A-EM The CMT2250A-EM is the Rx on/off control module with a CMT2250A device, 4 LEDs, battery case and a couple of necessary external components. The EM-Connector on the back side of the module allows the connection to the USB Programmer. The main components are listed below: Figure 22. - Page 20 AN113 The module can work with CMT2150A-EM to demonstrate the Normal, Toggle and Matrix button 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 network might need to be changed. See “Chapter 10 Appendix: CMT2150A-EM and CMT2250(1)A-EM Schematics”...
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Page 21: Cmt2251A-Em
AN113 5. CMT2251A-EM The CMT2251A-EM is the Rx PWM control module with a CMT2251A device, a PWM controlled LED, battery case and a couple of necessary external components. The EM-Connector on the back side of the module allows the connection to the USB Programmer. - Page 22 AN113 The module can work with CMT2150A-EM to demonstrate the Normal, Toggle and Matrix button 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 network might need to be changed. See “Chapter 10 Appendix: CMT2150A-EM and CMT2250(1)A-EM Schematics”...
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Page 23: Usb Programmer
6. USB Programmer The USB Programmer is the programming tool for the user to program the configuration into the CMOSTEK NextGenRF products with the RFPDK. The evaluation modules should be connected to the PC through the USB Programmer. There are 3 LEDs on the USB Programmer to indicate its working status. -
Page 24: Usb Socket
AN113 Figure 27. LED Indicators on the USB Programmer Table 15. LED Indicators on the USB Programmer Name Descriptions Color Flashes when there are valid connections between the PC and USB Programmer. Green Turned on when the evaluation modules is being programmed. Turned on for 5 seconds when the programming has failed. -
Page 25: Rfpdk
RFPDK (RF Products Development Kit) is a member of the CMT2150A/2250(1)A One-Way RF Link Development Kits supporting the development and manufacturing with CMOSTEK NextGenRF products. It is a PC application runs on Windows 2000, XP, 7 and 8. It works with the USB Programmer to configure the CMOSTEK NextGenRF products. 7.1 Installation Steps Important Note: Before installing this software, local administration rights must be obtained from your network administrator. - Page 26 AN113 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 Rev 1.0 | Page 26/34 www.hoperf.com...
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Page 27: Device Control Panel
It lets the users to 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 user can add notes to the “List Type” column by double-clicking the cell, as shown in the below figure. -
Page 28: Status And Notice
AN113 to program the configuration to the chip. A message will pop out to confirm whether the programming is done successfully or not. If the programming is failed, the users should double check the setup and try again. 7.3.4 Status and Notice Status information and Notice information is shown at the bottom of the Control Panel. -
Page 29: Read Device
The user can save the Burn Log to a text file by pressing the Save button. This text file is one of the necessary materials to send back to CMOSTEK when the 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 contents from the device to the PC. -
Page 30: Frequently Asked Questions
Q4. Can the RFDPK and the USB Programmer support all CMOSTEK RF products? A4. The current version of RFPDK and USB Programmer supports the existing RF products. In the future, CMOSTEK will update the RFPDK and USB Programmer firmware to support the new products. The user can visit www.cmostek.com... -
Page 31: Document Change List
AN113 9. Document Change List Table 18. Document Change List Rev. No Chapter Description of Changes Date Initial version 2014-08-13 Rev 1.0 | Page 31/34 www.hoperf.com... -
Page 32: Appendix: Cmt2150A-Em And Cmt2250(1)A-Em Schematics
AN113 10. Appendix: CMT2150A-EM and CMT2250(1)A-EM Schematics Figure 35. CMT2150A-EM Schematic Figure 36. CMT2250A-EM Schematic Rev 1.0 | Page 32/34 www.hoperf.com... - Page 33 AN113 Figure 37. CMT2251A-EM Schematic Rev 1.0 | Page 33/34 www.hoperf.com...
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Page 34: Contact Information
The material contained herein is the exclusive property of CMOSTEK and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of CMOSTEK. CMOSTEK products are not authorized for use as critical components in life support devices or systems without express written approval of CMOSTEK.
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