PM7346 datasheet(62/419 Pages) PMC

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PM7346 S/UNI-QJET

DATASHEET

PMC-960835

ISSUE 6

SATURN QUAD USER NETWORK INTERFACE FOR J2, E3, T3

PMC-SIERRA, INC. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA INC., AND ITS CUSTOMERS’ INTERNAL USE 41

Pin Name

Type

Pin No.

Function

TDAT[15]

TDAT[14]

TDAT[13]

TDAT[12]

TDAT[11]

TDAT[10]

TDAT[9]

TDAT[8]

TDAT[7]

TDAT[6]

TDAT[5]

TDAT[4]

TDAT[3]

TDAT[2]

TDAT[1]

TDAT[0]

Input

C15

A16

B16

D15

C16

A17

B17

D16

C17

D18

E17

D19

D20

E18

F17

E19

Transmit Cell Data Bus (TDAT[15:0]). This

bus carries the ATM cell octets that are

written to the selected transmit FIFO.

TDAT[15:0] is sampled on the rising edge

of TFCLK and is considered valid only

when TENB is simultaneously asserted

and the S/UNI-QJET has been selected

via the TADR[4:2] and PHY_ADR[2:0]

inputs.

The S/UNI-QJET can be configured to

operate with an 8-bit wide or 16-bit wide

ATM data interface via the ATM8 input pin.

When configured for the 8-bit wide

interface, TDAT[15:8] are not used and

should be tied to ground.

PM7346 Datasheet(PDF) 62 Page - PMC-Sierra, Inc

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