TFRA08C13 Просмотр технического описания (PDF) - Agere -> LSI Corporation

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TFRA08C13

OCTAL T1/E1 Framer

Agere -> LSI Corporation 

Preliminary Data Sheet

October 2000

TFRA08C13 OCTAL T1/E1 Framer

LIU-Framer Interface

LIU-Framer Physical Interface

The transmit framer-LIU interface for the TFRA08C13 consists of the TND, TPD, and TLCK pins. In normal opera-

tions, TND, TPD, and TLCK are driven from the transmit framer and are connected to an external transmit line inter-

face. The receive framer-LIU interface for the TFRA08C13 consists of the RPD, RND, and RLCK internal signals. In

normal operations, RND, RPD, and RLCK are sourced from an external receive line interface unit and are directly

connected to the receive framer. Figure 5 illustrates the interfaces of the transmit and receive framer units.

TTIP

TRING

EXTERNAL

TRANSMIT LINE

INTERFACE

UNIT

(XLIU)

LINE INTERFACE

TRANSMIT

HDLC

FACILITY DATA

LINK

INTERFACE

TFDLCK

TFDL

TLCK

TND

TPD

TRANSMIT

FRAMER

(XFRMR)

PLLCK

RECEIVE HDLC

FACILITY DATA

LINK INTERFACE

RECEIVE

CONCENTRATION

HIGHWAY

INTERFACE

(RCHI)

RCHIDATA

RCHIDATAB

CHIFS

CHICK

SYSTEM

INTERFACE

RFDLCK

RFDL

RTIP

RRING

EXTERNAL RLCK

RECEIVE LINE

INTERFACE

RND

UNIT

RPD

(RLIU)

RECEIVE

FRAMER

(RFRMR)

TRANSMIT

CONCENTRATION

HIGHWAY

INTERFACE

(XCHI)

RFRMCK

Figure 5. Block Diagram of Framer Line Interface

TCHIDATA

TCHIDATAB

5-7169(F)

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