MLX90121 datasheet(21/26 Pages) MELEXIS

21 / 26 page

MLX90121

13.56MHz RFID Transceiver

3901090121

Page 21 of 26

Data Sheet

Rev. 007

Jan-2008

Address : 2

Bit

Default

Name

Function

7:0

Reserved

Do not use

Address : 3

Bit

Default

Name

Function

7:6

2:1

Reserved

MVMode

MVEn

SelDout

EncoderEn

Unused

Do not use

Majority Voting Mode (0 = other, 1 = ISO14443A)

Majority Voting Enable (0=Disabled, 1 = Enabled)

Reception Output Selection (see table)

Hardware Encoder Enable (0=Disabled, 1 = Enabled)

Notes

SelDout

Output

AM (DATA): ‘1’ = sub carrier ; ‘0’ = no sub carrier

FM (LIMITER): rough digital signal

FSK decoded: ‘1’ when f = 423kHz, ‘0’ when f = 484kHz

PSK decoded

Address : 4 to 9

Bit

Default

Name

Function

7:0

EncoderSym0

EncoderSym1

EncoderSym2

EncoderSym3

EncoderSym4

EncoderSym5

Encoder Symbol 0

Encoder Symbol 1

Encoder Symbol 2

Encoder Symbol 3

Encoder Symbol 4

Encoder Symbol 5

Notes

•

Symbol 6 is hard-coded to 0xFF (11111111).

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