PM7384 datasheet(40/358 Pages) PMC

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PM7384 FREEDM-84P672

DATA SHEET

PMC-1990445

ISSUE 5

FRAME ENGINE AND DATA LINK MANAGER 84P672

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

Pin Name

Type

No.

Function

TRDB

Input

The test mode read enable signal (TRDB) is set

low during FREEDM-84P672 register read

accesses during production test (PMCTEST set

high). The FREEDM-84P672 drives the test

data bus (TDAT[15:0]) with the contents of the

addressed register while TRDB is low. In

normal operation (PMCTEST set low), this

signal should be tied to logic 1.

TWRB

Input

The test mode write enable signal (TWRB) is

set low during FREEDM-84P672 register write

accesses during production test (PMCTEST set

high). The contents of the test data bus

(TDAT[15:0]) are clocked into the addressed

operation (PMCTEST set low), this signal should

be tied to logic 1.

TDAT[0]

TDAT[1]

TDAT[2]

TDAT[3]

TDAT[4]

TDAT[5]

TDAT[6]

TDAT[7]

TDAT[8]

TDAT[9]

TDAT[10]

TDAT[11]

TDAT[12]

TDAT[13]

TDAT[14]

TDAT[15]

I/O

AE11

AF11

AE12

AD13

AD14

AF15

AD15

AC15

AE17

AF18

AE18

AC17

AE19

AD19

AC19

AE21

The bi-directional test mode data bus

(TDAT[15:0]) carries data read from or written to

FREEDM-84P672 registers during production

test (PMCTEST set high). In normal operation

(PMCTEST set low), these signals should be left

unconnected.

PM7384 Datasheet(PDF) 40 Page - PMC-Sierra, Inc

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