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EM4170A5CB2RC 参数 Datasheet PDF下载

EM4170A5CB2RC图片预览
型号: EM4170A5CB2RC
PDF下载: 下载PDF文件 查看货源
内容描述: 125kHz的CRYPTO读/写非接触式识别装置 [125kHz CRYPTO READ/WRITE Contactless Identification Device]
分类和应用: 装置
文件页数/大小: 13 页 / 144 K
品牌: EMMICRO [ EM MICROELECTRONIC - MARIN SA ]
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EM4170
System Principle
Tranceiver
Data to be sent
to transponder
Modulator
Transponder
Coil1
Oscillator
Antenna
Driver
EM4170
Coil2
Filter
and
Gain
Demodulator
Data decoder
Data received
from transponder
RECEIVE MODE
Signal on
Transceiver coil
Signal on
Transceiver coil
READ MODE
Signal on
Transponder coil
RF Carrier
Signal on
Transponder coil
Data
RF Carrier
Data
Fig. 2
Block Diagram
Modulator
Encoder
Serial
Data
V
POS_REG
Coil1
Cr
Coil2
GND
RESET
PWR
V
DD
AC/DC
converter
Cs
Power
Control
Clock
Extractor
Data
Extractor
Sequencer
Control
Logic
EEPROM
Crypto-
Algorithm
Command
Decoder
Fig. 3
Copyright
2002, EM Microelectronic-Marin SA
2
www.emmicroelectronic.com