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| 型号： | DM303006 |
| 厂商： | Microchip Technology |
| 文件页数： | 23/48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
7.1
Radio Receiver
This type of radio receiver module is common, low cost
The Demo Board contains an ASK Radio Receiver
module that serves the Decoders as well as the Main
Processor.
The module is a standard thick-film hybrid circuit mod-
ule tuned by the manufacturer to 433.92 MHz. The
demodulated digital output signal may be directly fed
into any microcontroller I/O pin.
and recommended to those without RF design capabil-
ities. The pin-out is standard. Thus, it may be easily
replaced with similar models accommodating various
frequencies, sensitivity levels, modulation methods
(ASK vs. FSK) as well as complying to various interna-
tional certification standards.
FIGURE 7-2:
THE RADIO RECEIVER
Jumper JP1
Radio Receiver
Jumper JP1 allows the radio receiver output to be dis-
connected from the decoders. This permits monitoring
the receiver output on an oscilloscope or injecting an
encoder ’ s digital output directly into the decoder
7.2
Demonstration Decoders
The Decoder area is subdivided into three sections:
1.
2.
3.
Software Decoders
HCS512 Decoder
HCS515 Decoder
Each section has a Learn button, an RC oscillator cir-
cuit and a set of LEDs to show the Decoder ’ s output
status but they share the radio receiver output at JP1.
A non-volatile memory is available to the software
decoders; 93C46 EEPROM, socket U3. Voltage super-
vising (Brown out Reset) circuitry and power supply are
common with the Main Processor.
The HCS512 and HCS515 decoders are connected to
the Main Processor with separate pairs of clock and
data lines such that they may be independently config-
ured. Although the current firmware release does not
support it, the decoder coprocessor functionality could
be demonstrated.
? 2001 Microchip Technology Inc.
DS41155A-page 21
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相关代理商/技术参数 |
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|---|---|
| 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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