參數(shù)資料
型號: KS8701
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: FLEXTM Roaming Decoder II
中文描述: FLEXTM漫游解碼器二
文件頁數(shù): 6/73頁
文件大小: 434K
代理商: KS8701
KS8701
Introduction
FLEX
TM
Roaming Decoder II
5
INTRODUCTION
SYSTEM BLOCK DIAGRAM
Figure 1 : Example Block Diagram Using Internal Demodulator
When configured to use the internal demodulator, the KS8701 connects to a receiver capable of generating a
limited (i.e. 1-bit digitized) 455 kHz or 140 kHz IF signal. In this mode, the KS8701 has 7 receiver control lines
used for warming up and shutting down a receiver in stages. The KS8701 has the ability to detect a low battery
signal during the receiver control sequences. It interfaces to a host MCU through a standard SPI. It has a 1minute
timer that offers low power support for a time of day function on the host.
When using the internal demodulator, the oscillator frequency (or external clock) must be 160 kHz. The
CLKOUT
signal can be programmed to be either a 38.4 kHz signal created by fractionally dividing the oscillator
clock, or a 40 kHz signal creating by dividing the oscillator clock by 4.
Receiver
Control
Host
Microprocessor
User
Interface
Low Battery
Detector
Receiver
38.4 or 40 kHz Clock
S0/IFIN
Synthesizer
Programming Control
KS8701
LOBAT
1
1
15pF
15pF
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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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KS8721B TR 功能描述:IC TXRX PHY 10/100 2.5V 48SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器,接收器,收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,140 系列:AU 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:CAN 電源電壓:5.3 V ~ 27 V 安裝類型:表面貼裝 封裝/外殼:14-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:14-SO 包裝:管件 其它名稱:935267940512AU5790D14AU5790D14-ND
KS8721B_11 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5V 10/100BasTX/FX MII Physical Layer Transceiver
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KS8721BA4 TR 功能描述:TXRX 10/100 3.3V 48-SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器,接收器,收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,140 系列:AU 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:CAN 電源電壓:5.3 V ~ 27 V 安裝類型:表面貼裝 封裝/外殼:14-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:14-SO 包裝:管件 其它名稱:935267940512AU5790D14AU5790D14-ND