XRT86VL30 datasheet(21/62 Pages) EXAR

Part #	XRT86VL30

Description	T1/E1/J1 BITS ELEMENT - HARDWARE MANUAL

PDF	62 Pages

Scroll/Zoom	100%

Manufacturer	EXAR [Exar Corporation]

Direct Link	http://www.exar.com

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XRT86VL30

REV. 1.0.3

T1/E1/J1 BITS ELEMENT - HARDWARE MANUAL

RxCRCSYNC

Receive Multiframe Sync Pulse (RxCRCSYNC):

The RxCRCSYNC pin is used to indicate the receive multi-

frame boundary. This pin pulse "High" for one period of

RxSERCLK when the first bit of an inbound DS1/E1 Multi-

frame is being output on the RxCRCSYNC pin.

• In DS1 ESF mode, RxCRCSYNC repeats every 3ms

• In DS1 SF mode, RxCRCSYNC repeats every 1.5ms

• In E1 mode, RxCRCSYNC repeats every 2ms.

RxCASYNC

Receive CAS Multiframe Sync Pulse (RxCASYNC):

- E1 Mode Only

The RxCASYNC pin is used to indicate the E1 CAS Multif-

frame boundary. This pin pulses "High" for one period of

RxSERCLK when the first bit of an E1 CAS Multi-frame is

being output on the RxCASYNC pin.

RECEIVE SYSTEM SIDE INTERFACE

SIGNAL NAME

128-PIN#

80-PIN#

TYPE

OUTPUT

DRIVE (MA)

DESCRIPTION

XRT86VL30 Datasheet(PDF) 21 Page - Exar Corporation