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K EE L OQ? 3 Development Kit User’s Guide
FIGURE 6-1:
K EE L OQ? PWM TRANSMISSION FORMAT
6.4
6.5
6.6
K EE L OQ DECRYPTING
The controller will automatically decrypt and display information on any incoming
traditional K EE L OQ , AES or XTEA radio packet received by the radio receiver module.
The validity of the data will be dependent on the encryption keys used to encode the
information on the transmitter.
Decryption is done using the normal key generation algorithm based on the controller
manufacturer code. The source code is available on the K EE L OQ 3 Development Kit
CD-ROM.
I 2 C COMMUNICATION
The I 2 C connection header allows a PICkit Serial Analyzer module to be connected to
the controller board. The controller supports a set of commands that allows the
controller to function as a truly I 2 C K EE L OQ decoder. The I 2 C master device (the PICkit
Serial Analyzer in this case) can instruct the controller to learn and delete transmitters,
and to read transmission. Some debug commands are also present (e.g., LED test),
see Section 4.10 “I2C? Communications – Summary of Commands ” .
LCD DISPLAY
The LCD will display the serial number and the encrypted section (already decrypted)
of the last received transmission. When a new transmission is received, the display is
automatically updated.
DS41378A-page 34
? 2009 Microchip Technology Inc.
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相关代理商/技术参数
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制造商:PacTec 功能描述:Case, Plastic; ABS; PC Bone; 11.46 in.; 3.38 in.; 10.4 in.; UL 94-HB Rated 制造商:PacTec 功能描述:ENCLOSURE, DESKTOP, PLASTIC, BONE; Enclosure Type:Desktop; Enclosure Material:Plastic; Body Color:Bone; External Height - Imperial:3.38"; External Height - Metric:86mm; External Width - Imperial:10.4"; External Width - Metric:264mm ;RoHS Compliant: Yes