PM7326 datasheet(61/238 Pages) PMC

61 / 238 page

PM7326 S/UNI APEX

DATA SHEET

PMC-1981224

ISSUE 6

ATM/PACKET TRAFFIC MANAGER AND SWITCH

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

Pin Name

Type

No.

Function

AB4

AC5

AB23

E23

D22

No Connect. These balls are not connected to the

die.

9.9 JTAG & Scan Interface (7 Signals)

Pin Name

Type

No.

Function

TCK

Input

AD1

Test Clock. This signal provides timing for test

operations that are carried out using the IEEE

P1149.1 test access port.

TMS

Input

AC2

Test Mode Select. This 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

AB3

Test Data Input. This signal carries test data into

the S/UNI APEX 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

Tri-state AD4

Test Data Output. This signal carries test data out

of the S/UNI APEX via the IEEE P1149.1 test

access port. TDO is a tri-state output, which is

inactive except when scanning of data is in

progress.

TDO is updated/Hi-Z’d on the falling edge of TCK.

TRSTB

Input

AC3

Active low Test Reset. This signal provides an

asynchronous S/UNI APEX 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 must be

connected to the RSTB input.

PM7326 Datasheet(PDF) 61 Page - PMC-Sierra, Inc

PM7326 Datasheet(HTML) 61 Page - PMC-Sierra, Inc

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