STLC5464 datasheet(18/83 Pages) STMICROELECTRONICS

No de pièce	STLC5464

Description	MULTI-HDLCWITH n x 64 SWITCHING MATRIX ASSOCIATED

PDF	83 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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18 / 83 page

Frame n

Fra me n + 1

ITS0

ITS31 ITS0

ITS 31

OTS 0

OTS 31

ITS x ITS x+1 ITSx+2

OTS y

y> x+ 2

Variable De lay

(OTS y - ITSx)

Inpu t

Fra m e

Outpu t

Fra m e

1) Ca s e : If OTS y > ITS x + 2, the n Va ria ble De la y is : OTS y - ITSx Time S lo ts

Frame n

Fra me n + 1

ITS0

ITS31 ITS0

ITS 31

OTS 0

OTS 31

ITS x ITS x+1 ITSx+2

OTS y

≤ y ≤ x+ 2

32 Time S lots

Va riable De lay : OTS y - ITSx + 32 Time S lots

Inpu t

Fra m e

Outpu t

Fra m e

2) Ca s e : If ITS x

≤ OTS y ≤ ITSx + 2, then Variable Delay is : OTSy - ITSx + 32 Tim eS lots

ITSx

OTS y

Frame n

Fra me n + 1

ITS0

ITS31 ITS0

ITS 31

OTS 0

OTS 31

ITS x

OTS y

y< x

32 TimeS lots

Variable De lay : 32 - (ITS x - OTS y) Time S lots

Inpu t

Fra m e

Outpu t

Fra m e

3) Ca s e : If OTS y < ITS x, the n Va ria ble De lay is : 32 - (ITS x - OTS y) Tim eS lots

ITS x

OTS y

Figure 5 : Variable Delay through the matrix with ITDM = 1

III - FUNCTIONAL DESCRIPTION (continued)

STLC5464

18/83

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