Product Brief
Reference design forms secure, wireless keyless entry systems
Ismini Scouras8/11/2010 12:08 PM EDT
Camarillo, Calif. and Chandler, Ariz.—Semtech Corp. and Microchip Technology Inc. have teamed up to develop a reference design that provides a turnkey platform for highly secure, low-power, multi-band wireless remote keyless entry (RKE) systems.
The reference design integrates Semtech’s transmitter and transceiver ICs with Microchip’s KEELOQ code-hopping technology running on PIC microcontrollers (MCUs). The RKE reference-design hardware includes transmitter (Tx) and receiver (Rx) boards running Microchip’s KEELOQ code-hopping encryption software and Microchip MCUs. The Tx board pairs Semtech’s SX1230 industrial, scientific and medical (ISM) band transmitter with Microchip’s PIC16F631 or PIC16F677 8-bit MCUs. The Rx board employs Semtech’s SX1211 or SX1212 ISM transceivers, again with Microchip’s PIC16F631 or PIC16F677 MCUs.
The reference design integrates Semtech’s transmitter and transceiver ICs with Microchip’s KEELOQ code-hopping technology running on PIC microcontrollers (MCUs). The RKE reference-design hardware includes transmitter (Tx) and receiver (Rx) boards running Microchip’s KEELOQ code-hopping encryption software and Microchip MCUs. The Tx board pairs Semtech’s SX1230 industrial, scientific and medical (ISM) band transmitter with Microchip’s PIC16F631 or PIC16F677 8-bit MCUs. The Rx board employs Semtech’s SX1211 or SX1212 ISM transceivers, again with Microchip’s PIC16F631 or PIC16F677 MCUs.
Key highlights:
- Integrated RF ICs, multi-band PCB antenna, MCU
- KEELOQ code-hopping technology software
- Encrypts all RF packets before sending, no plain text sent over air
- Code-hopping encryption produces unique RF transmission each time
- Same design supports multi-band (315, 434, 868, 915 MHz) and multiple modulation formats (FSK, OOK, ASK)
- No tuning for lower production costs
- Long range: programmable POUT up to +17 dBm
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prabhakar_deosthali
8/13/2010 1:18 AM EDT
Putting such ad as a comment to the article is objectionable. Is it some malware that has done this kind of trick?
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