Rainbow-electronics DS2181A Manuale Utente Scaricare il pdf (Pagina 16)

DS2181A

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TRANSMIT MULTIFRAME BOUNDARY TIMING Figure 13

TIMESLOT 30

TCLK

TMSYNC

TFSYNC

TMO

TCHCLK

TAF

TSER

TPOS

TNEG

TIMESLOT 31 TIMESLOT 0

FRAME 15

FRAME 0

FRAME 15

FRAME 0

TIMESLOT 31 TIMESLOT 0

MSB LSBLSB MSB

LSB MSB LSB MSB

NOTES:

1. Low-high transitions on TMSYNC and/or TFSYNC must occur one TCLK period early with respect to actual

frame and multiframe boundaries. TMO follows the rising edge of TMSYNC or TFSYNC.

2. TAF transitions on true frame boundaries.

3. Delay from TSER to TPOS, TNEG is five TCLK periods.

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 31 32

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Rainbow-electronics DS2181A Manuale Utente Pagina 16