XRT84L38 データシートの表示（PDF） - Exar Corporation

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XRT84L38

OCTAL T1/E1/J1 FRAMER

Exar Corporation 

REV. 1.0.1

PIN DESCRIPTIONS

XRT84L38

OCTAL T1/E1/J1 FRAMER

TRANSMIT SERIAL DATA INPUT

(Framer Channel Number indicated by _n)

SIGNAL NAME

PIN #

TYPE

DESCRIPTION

TxSer_0

TxSer_1

TxSer_2

TxSer_3

TxSer_4

TxSer_5

TxSer_6

TxSer_7

B6

A14

B22

F25

AB26

AD19

AE11

AF5

I Transmit Serial Data Input—Transmit Framer_n:

This input pin along with TxSerClk_n functions as the Transmit Serial input

port for Framer_n.

DS1 Mode:

Any payload data applied to this pin would be inserted into a DS1 frame and

output onto the T1 line via the TxPOS_n and TxNEG_n output pins. If

Framer_n is configured accordingly, the framing alignment bits, the facility data

link bits and the CRC-6 bits can also be inserted to input pin.The signal applied

to this input pin can be latched to the Transmit Payload Data Input Interface on

either the rising edge or the falling edge of TxSerClk_n according to configura-

tions of Framer_n.

E1 Mode:

Any payload data applied to this pin would be inserted into an E1 frame and

output onto the E1 line via the TxPOS_n and TxNEG_n output pins. All data

intended to be transported via Time Slots 1 through 15 and Time slots 17

through 31, within each E1 frame, must be applied to this input pin. If

Framer_n is configured accordingly, data intended for Time Slots 0 and 16 can

also be applied to this input pin.

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