CLRC663 Datasheet, PDF (44/132 Pages) NXP Semiconductors – Contactless reader IC

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SIGOUT
TX bit stream
CODER
DIGITAL MODULE
RX bit stream
DECODER
tri-state 0, 1
LOW 2 _{SIGOUTSel[4:0]}
HIGH 3
TX envelope 4
TX active 5
S3C signal 6
RX envelope 7
RX active 8
RX bit signal 9
0 tri-state
1 internal analog block
2 SIGIN over envelope
Sigpro_in_sel _{3 SIGIN generic}
[1:0]
SUBCARRIER
DEMODULATOR
No_nodulation 0
TX envelope 1
SIGIN 2
RFU 3 ^TxCon.TxSel
[1:0]
MODULATOR
DRIVER
ANALOG MODULE
DEMODULATOR
TX2
TX1
RXN
RXP
Fig 30. Overview SIGIN/SIGOUT Signal Routing
SIGIN
001aam001