參數(shù)資料
型號: E5561
英文描述: e5561 Advance Information [Updated 4/03. 26 Pages] Read/Write transponder IC for contactless RF identification for highly sophisticated security applications.
中文描述: e5561推進(jìn)信息[更新4 / 03。 26頁]讀/寫非接觸式射頻轉(zhuǎn)發(fā)器的高度復(fù)雜的安全應(yīng)用識別芯片。
文件頁數(shù): 3/26頁
文件大小: 410K
代理商: E5561
11
e5561
4699A–RFID–04/03
Data Transmission to the
Base Station (Read)
Data transmission from the e5561 to the base station is carried out by switching a load
between the coil pads on (damping) and off. This changes the current through the IC coil
which can be detected by the base station.
Figure 10. Signals from the Transponder During Reading
ID Mode
The ID mode is the default mode after power-up. The ID code is read out of the
EEPROM and sent to the base station.
Modulation and Bit Rate
The different bit rates and modulations of the e5561 can be selected using the appropri-
ate bit in block 0. Available bit rates are RF/32 and RF/64; the e5561 provides Bi-phase
and Manchester modulation.
Figure 11. Types of Modulation
Coil voltage of
the e5560
Coil voltage of
the base station
DataClk
ReadData
Bi-phase
Manchester
0
00
0
11
1
start of transmission
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