Summary of Contents for Microchip Technology DM182017-1
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Wireless Security Remote Control Development Kit User’s Guide 2012 Microchip Technology Inc. DS41646A...
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Select Mode, Total Endurance, TSHARC, UniWinDriver, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies.
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Object of Declaration: Wireless Security Remote Control Development Kit 2012 Microchip Technology Inc. DS41646A-page 3...
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Wireless Security Remote Control Development Kit User’s Guide NOTES: 2012 Microchip Technology Inc. DS41646A-page 4...
6.3 Developing with the Embedded Security Development Board as Receiver . 32 Appendix A. PIC12LF1840T39A Wireless Remote Key Fob Schematics Appendix B. SX1239 Receiver PICtail™ Daughter Board Schematics Appendix C. Embedded Security Development Board Schematics Worldwide Sales and Service ..................50 2012 Microchip Technology Inc. DS41646A-page 5...
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Wireless Security Remote Control Development Kit User’s Guide NOTES: 2012 Microchip Technology Inc. DS41646A-page 6...
Chapter 4. “SX1239 Receiver PICtail™ Daughter Board” provides the hardware details of the Receiver PICtail Daughter Board. • – This chapter provides Chapter 5. “Embedded Security Development Board” the hardware details of the Embedded Security Development Board. 2012 Microchip Technology Inc. DS41646A-page 7...
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Curly brackets and pipe Choice of mutually exclusive errorlevel {0|1} character: { | } arguments; an OR selection Ellipses... Replaces repeated text var_name [, var_name...] Represents code supplied by void main (void) user { ... 2012 Microchip Technology Inc. DS41646A-page 8...
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MPLAB REAL ICE in-circuit emulator, MPLAB ICD 3 in-circuit debugger and MPLAB PM3 device programmers. Also included ® are nonproduction development programmers such as PICSTART Plus and PICkit 2 and 3. 2012 Microchip Technology Inc. DS41646A-page 10...
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Technical support is available through the web site at: http://www.microchip.com/support. REVISION HISTORY Revision A (July 2012) • Initial Release of this Document. 2012 Microchip Technology Inc. DS41646A-page 11...
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Wireless Security Remote Control Development Kit User’s Guide NOTES: 2012 Microchip Technology Inc. DS41646A-page 12...
The Wireless Security Remote Control Development Kits have three frequency choices: • Wireless Security Remote Control Development Kit – 433.92 MHz (DM182017-1) • Wireless Security Remote Control Development Kit – 868 MHz (DM182017-2) • Wireless Security Remote Control Development Kit – 915 MHz (DM182017-3) Each kit contains: •...
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Wireless Security Remote Control Development Kit User’s Guide NOTES: 2012 Microchip Technology Inc. DS41646A-page 14...
4. Plug in the RF receiver daughter board on the PICtail slot of the Embedded Security Development Board. Make sure that the RF receiver daughter board has the side with RF receiver chip face the center, as shown in Figure 2-1. 2012 Microchip Technology Inc. DS41646A-page 15...
AES Microcontroller-Based Code Hopping Encoder”. The key fob has four push buttons and is powered by a CR2032 coin battery. The key fob is shown in Figure 2-2, where the four buttons are labeled individually. 2012 Microchip Technology Inc. DS41646A-page 16...
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To learn a transmitter, the receiver initiates the learning process by pressing button SW4. The learning procedure will be started and the message “Learn mode active” will be displayed on the LCD, as shown in Figure 2-4. FIGURE 2-4: START LEARN MODE 2012 Microchip Technology Inc. DS41646A-page 17...
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2-7) in this transmission • Function Code: A bitmap of the pressed buttons (it will be 3 if both KLQ buttons are pressed), depending on the button pressed on the key fob FIGURE 2-7: PACKET INFORMATION 2012 Microchip Technology Inc. DS41646A-page 18...
The user should observe that all LEDs are turned on and off with flashing intervals of roughly one second. Once the user has verified the LED test, SW1 needs to be pressed to move forward to the RTCC test. 2012 Microchip Technology Inc. DS41646A-page 19...
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Daughter Board is plugged into the PICtail connector, even though the SPI bus may still work, the SPI test might show failure status. The reason is due to the expected values to be received from the SX1239. 2012 Microchip Technology Inc. DS41646A-page 20...
The PCB antenna is explained in more detail below. P1 is the ICSP™ programming port. See Chapter 6. “Developing with the Wireless for suggestions on developing and Security Remote Control Development Kit” programming the key fob. 2012 Microchip Technology Inc. DS41646A-page 21...
This type of antenna has an extremely high quality factor (Q). Therefore, it is very susceptible to parasitic impedances and very challenging to impedance match to the transmitter. 2012 Microchip Technology Inc. DS41646A-page 22...
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FIGURE 3-4: PCB ANTENNA DIMENSIONS Figure 3-5 shows the simulated three-dimensional plot of the radiation patter from the antenna. Figure 3-6 shows the two-dimensional plots. FIGURE 3-5: PCB ANTENNA 3D RADIATION PATTERN (SIMULATED) 2012 Microchip Technology Inc. DS41646A-page 23...
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Wireless Security Remote Control Development Kit User’s Guide FIGURE 3-6: PCB ANTENNA 2D RADIATION PATTERN (SIMULATED) 2012 Microchip Technology Inc. DS41646A-page 24...
The antenna connection has a pin socket for plugging a wire antenna. This demonstrates a simple and low-cost antenna option. The length of the antenna should be approximately ¼ wavelength of the frequency of interest. 2012 Microchip Technology Inc. DS41646A-page 25...
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The antenna pin socket can be removed by heating it with a soldering iron and cleaning the connection. An SMA or reverse polarity SMA (RP-SMA) connector can be soldered in place on the PCB. A whip or sleeve dipole antenna can then be used. 2012 Microchip Technology Inc. DS41646A-page 26...
UART and full-speed USB 2.0 communication. At the same time, the USB interface port can be used to power the Embedded Security Development Board directly. For more information, please refer to the Microchip MCP2200 data sheet. 2012 Microchip Technology Inc. DS41646A-page 28...
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All buttons are assigned to the individual interrupt lines of the microcontroller and are not driven by external pull-up circuitry to save power consumption. The user software must enable the PORTB pull-ups of the microcontroller before evaluating the button state. 2012 Microchip Technology Inc. DS41646A-page 29...
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The ICSP port J5 on the right is used to program the target application microcontroller. Figure 5-2 shows the ICSP ports. FIGURE 5-2: ICSP™ PROGRAMMING/DEBUGGING PORTS Master Slave ™ ICSP port ™ ICSP port 2012 Microchip Technology Inc. DS41646A-page 30...
As a secured RKE system, K security keys, especially the manufacturer key is essential to the security of the whole system. It is highly recommended to use ® code-protect of the PIC MCU memory. 2012 Microchip Technology Inc. DS41646A-page 31...
SPI slave, and thus requires faster response to the SPI command. Generally speaking, if no SPI delay is applied by the target application controller side, the operation speed of the host microcontroller needs to be double that of the target application microcontroller. 2012 Microchip Technology Inc. DS41646A-page 32...
WIRELESS SECURITY REMOTE CONTROL DEVELOPMENT KIT USER’S GUIDE Appendix C. Embedded Security Development Board Schematics FIGURE C-1: EMBEDDED SECURITY DEVELOPMENT BOARD PCB ASSEMBLY 2012 Microchip Technology Inc. DS41646A-page 43...
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Wireless Security Remote Control Development Kit User’s Guide FIGURE C-2: EMBEDDED SECURITY DEVELOPMENT BOARD SCHEMATIC (1 OF 2) 2012 Microchip Technology Inc. DS41646A-page 44...
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Embedded Security Development Board Schematics FIGURE C-3: EMBEDDED SECURITY DEVELOPMENT BOARD SCHEMATIC (2 OF 2) 2012 Microchip Technology Inc. DS41646A-page 45...
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