MLX90110 Просмотр технического описания (PDF) - Melexis Microelectronic Systems

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MLX90110

128bit OTP/RW Transponder

Melexis Microelectronic Systems  

MLX90110

128bit OTP/RW Transponder

Data encoding schemes

Manchester

For a “1” bit, there is a transition from 0 to 1 in the middle of the bit period. Reciprocal, for a “0” logic bit

there is a transition from 1 to 0 in the middle of the bit period.

Biphase

At the beginning of each bit, a transition will occur. A logic bit “1” will keep its state for the whole bit duration and a

logic bit “0” will show a transition in the middle of the bit duration.

Manchester Code

X Binary Data 1 1 1 1 0 1 0 1 1 0 0

Memory Output

Modulation Output

Biphase Code

X Binary Data 0 1 1 0 1 0 0 1 1 0 0

Memory Output

Modulation Output

Flow Chart.

Upon entering the RF field, the transponder "sees" increasing amplitude of the voltage between COIL and GND

pins. It passes through a POR sequence. Depending on the configuration bits it will enter the appropriate mode.

MLX90110 128bit MTP Transponder

Page 8 of 10

Rev 1.14 1-Dec-2000

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