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Ds2143 transmit data flow – Rainbow Electronics DS2143Q User Manual

Page 31

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TSER

TLINK

TIDR

TS0

TS15

AIS

GENERATION

TRANSMIT SIGNALLING

ALL ONES

(TCR1.2)

TPOS,

TNEG

TAF

TNAF

TIMESLOT 0

PASS–THROUGH

(TCR1.6)

Si BIT INSERTION

CONTROL

(TCR1.3)

Sa BIT INSERTION

CONTROL (TCR2.3

THRU TCR2.7)

TIMESLOT 16 SIGNALING

INSERTION CONTROL

(TCR1.5)

IDLE CODE INSERTION

CONTROL

(TIR1 TO TIR4)

E–BIT GENERATION

(TCR2.1)

CRC4 ENABLE

(CCR.4)

TRANSMIT UNFRAMED

ALL ONES

(TCR1.4)

RECEIVE SIDE

CRC4 ERROR

DETECTOR

CRC4 MF AND

CODE WORD

GENERATION

AIS

GENERATION

0

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

1

KEY

= REGISTER

= DEVICE PIN

= SELECTOR

DS2143/DS2143Q

031397 31/40

DS2143 TRANSMIT DATA FLOW