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参数资料
| 型号： | DM303006 |
| 厂商： | Microchip Technology |
| 文件页数： | 24/48页 |
| 文件大小： | 0K |
| 描述： | KIT EVALUATION KEELOQ |
| 标准包装： | 1 |
| 系列： | KEELOQ® |
| 类型： | KeeLoq? |
| 适用于相关产品： | Keeloq 编码器和解码器 |
| 已供物品： | 3 个板，CD，产品样品 |
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K EE L OQ ? EVALUATION KIT II USER ’ S GUIDE
FIGURE 7-3:
THE THREE DECODERS
Software
Decoders
HCS512
Decoder
HCS515
Decoder
7.2.1
SOFTWARE DECODERS
An official introduction to K EELOQ and its different
Three basic Software Decoders may be demonstrated
in this portion of the board:
Learning Schemes can be found in either the Applica-
tion Notes or Technical Briefs TB001 and TB003. In
short:
1.
2.
3.
SIMPLE Learn Decoder
(AN659_Confidential/AN663_Non Restricted)
NORMAL Learn Decoder
(AN642_Confidential/AN661_Non Restricted)
SECURE Learn Decoder
1.
The SIMPLE Learn Decoder uses a single
common key for all encoders. Such a key is
hard-coded in the decoder ’ s firmware. The
Learning phase requires only a single encoder
transmission for the decoder to memorize the
(AN652_Confidential/AN662_Non Restricted)
The decoder functionalities are described in the related
Application Notes. Both the Non-Restricted and Confi-
encoder ’ s unique Serial Number and Synchroni-
zation Information. The values are stored in the
non-volatile memory.
dential versions describe the functionality and method-
ologies for the different Learning Schemes. The
Confidential version further explains the decryption and
adds the full source code.
2.
3.
The NORMAL Learn Decoder generates a
different key for every encoder. The encoder
Serial Number is one input to the Key
Generation algorithm which is in fact the
Decrypt algorithm. Learning requires two con-
secutive Hopping Code transmissions.
The SECURE Learn Decoder uses a random
Seed value transmitted by the encoder and
either the XOR algorithm or the Decryption
algorithm (selectable in the application note
source code) as the Key Generation algorithm.
The Manufacturer ’ s Key for the Software Decoder sam-
ples is by default set to 0123456789ABCDEF 16 .
Since the software decoders are based on OTP micro-
controllers (PIC16C54 and PIC16C56) they cannot be
configured by the Evaluation Kit software.
DS41155A-page 22
? 2001 Microchip Technology Inc.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DM303007 | 功能描述:开发板和工具包 - PIC / DSPIC KEELOQ 3 Development Kit RoHS:否 制造商:Microchip Technology 产品:Starter Kits 工具用于评估:chipKIT 核心:Uno32 接口类型: 工作电源电压: |
| DM303007 | 制造商:Microchip Technology Inc 功能描述:KeeLoq 3 Development Kit |
| DM303008 | 功能描述:开发板和工具包 - 无线 Keeloq 3 Dev Kit (with PICkit 3) RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:AT32UC3L 核心:AVR32 频率: 接口类型:USB 工作电源电压:5 V |
| DM3030-W2455AET/LF | 制造商:Advanced Ceramic X Corporation 功能描述:ADODM3030-W2455AET/LF DIPLEXER MODULE, 2 |
| DM3030-W2455BET | 制造商:Advanced Ceramic X Corporation 功能描述:DIPLEXER MODULE, 2400-5500MHZ |
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