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參數(shù)資料
型號(hào): MC68177
廠商: MOTOROLA INC
元件分類: 尋呼電路
英文描述: FLEXchip Decoder(FLEXchip譯碼器)
中文描述: TELECOM, PAGING DECODER, PQFP32
封裝: TQFP-32
文件頁(yè)數(shù): 5/8頁(yè)
文件大小: 180K
代理商: MC68177
MC68177
Application Examples
PRELIMINARY
MOTOROLA
MC68177
5
APPLICATION EXAMPLES
The MC68177 chip also has an internal demodulator. When using the internal demodulator, a
limited (i.e. 1-bit digitized) 455 kHz or 140 kHz IF signal is fed from the receiver into the FLEX
decoder IC via the
S0/IFIN
pin. When using the internal demodulator, the oscillator frequency
(or external clock) must be 160 kHz. The
CLKOUT
38.4 kHz signal created by fractionally dividing the oscillator clock, or a 40 kHz signal creating
by dividing the oscillator clock by 4.
signal can be programmed to be either a
38.4 or 40 kHz clock
160 kHz Oscillator
S0/IFIN
Receiver
Control
Synthesizer
Programming Control
Receiver
Low Battery
Detector
LOBAT
Host
Microprocessor
User
Interface
MC68177
Figure 3
Example Block Diagram Using Internal Demodulator
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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