PM7366-PI datasheet(39/286 Pages) PMC

39 / 286 page

RELEASED

PM7366 FREEDM-8

DATA SHEET

PMC-1970930

ISSUE 4

FRAME ENGINE AND DATA LINK MANAGER

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

Pin No.

Pin Name

Type

-PI

-BI

Function

TA[11]/TRS

Input

B12

The test register select signal (TA[11]/TRS) selects

between normal and test mode register accesses

during production test (PMCTEST set high). TRS is

set high to select test registers and is set low to select

normal registers.

In normal operation (PMCTEST set low), TA[11]/ TRS

should be tied high.

TRDB

Input

D12

The test mode read enable signal (TRDB) is set low

during FREEDM-8 register read accesses during

production test (PMCTEST set high). The FREEDM-

8 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), TRDB

should be tied high.

TWRB

Input

B13

The test mode write enable signal (TWRB) is set low

during FREEDM-8 register write accesses during

production test (PMCTEST set high). The contents of

the test data bus (TDAT[15:0]) are clocked into the

addressed register on the rising edge of TWRB.

In normal operation (PMCTEST set low), TWRB

should be tied high.

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

W10

Y10

W11

U11

W12

U12

W13

Y14

Y15

Y16

W15

V14

W14

V13

U12

V12

W11

Y10

V10

The bi-directional test mode data bus (TDAT[15:0])

carries data read from or written to FREEDM-8

registers during production test.

In normal operation (PMCTEST set low), TDAT[15:0]

should be left unconnected.

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