PM5356 datasheet(43/307 Pages) PMC

43 / 307 page

RELEASED

S/UNI-622-MAX

PMC-Sierra, Inc.

PM5356

S/UNI-622-MAX

DATASHEET

PMC-1980589

ISSUE 6

SATURN USER NETWORK INTERFACE (622-MAX)

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

9.6

JTAG Test Access Port (TAP) Signals

Pin Name

Type

No.

Function

TCK

Input

The test clock (TCK) signal provides clock timing for

test operations that are carried out using the IEEE

P1149.1 test access port.

TMS

Input

D10

The test mode select (TMS) signal controls the test

operations that are carried out using the IEEE

P1149.1 test access port. TMS is sampled on the

rising edge of TCK. TMS has an integral pull-up

resistor.

TDI

Input

C10

The test data input (TDI) signal carries test data into

the S/UNI-622-MAX via the IEEE P1149.1 test access

port. TDI is sampled on the rising edge of TCK. TDI

has an integral pull-up resistor.

TDO

Output

The test data output (TDO) signal carries test data

out of the S/UNI-622-MAX via the IEEE P1149.1 test

access port. TDO is updated on the falling edge of

TCK. TDO is a tristate output which is inactive except

when shifting boundary scan data is in progress.

TRSTB

Input

The active-low test reset (TRSTB) signal provides an

asynchronous S/UNI-622-MAX test access port reset

via the IEEE P1149.1 test access port. TRSTB is a

Schmitt triggered input with an integral pull-up

resistor.

Note that when not being used, TRSTB may be tied

low or connected to the RSTB input.

PM5356 Datasheet(PDF) 43 Page - PMC-Sierra, Inc

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