STLC5464 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STLC5464

MULTI-HDLC WITH n x 64 SWITCHING MATRIX ASSOCIATED

STMicroelectronics 

III - FUNCTIONAL DESCRIPTION (continued)

Figure 6 : Variable Delay through the matrix with ITDM = 0

1) Case : If OTSy > ITSx + 1, then Variable Delay is : OTSy - ITSx TimeSlots

Frame n

Input ITS0

Frame

ITSx ITSx+1 ITSx+2

ITS31 ITS0

Frame n + 1

STLC5464

ITS31

Output OTS0

Frame

y>x+1

OTSy

Variable Delay

(OTSy - ITSx)

2) Case : If ITSx ≤ OTSy ≤ ITSx + 1, then Variable Delay is : OTSy - ITSx + 32 TimeSlots

Frame n

Frame n + 1

Input ITS0

Frame

ITSx ITSx+1 ITSx+2

ITS31 ITS0

ITSx

OTS31

ITS31

Output OTS0

Frame

x≤y≤x +1

OTSy

32 TimeSlots

Variable Delay : OTSy - ITSx + 32 TimeSlots

OTSy

OTS31

3) Case : If OTSy < ITSx, then Variable Delay is : 32 - (ITSx - OTSy) TimeSlots

Frame n

Frame n + 1

Input ITS0

Frame

ITSx

ITS31 ITS0

ITSx

ITS31

Output OTS0

Frame

y<x

OTSy

OTSy

Variable Delay : 32 - (ITSx - OTSy) TimeSlots

32 TimeSlots

OTS31

19/83

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