PM4332 datasheet(49/446 Pages) PMC

49 / 446 page

PRELIMINARY

PM4332 TE-32

DATA SHEET

PMC-2011402

ISSUE 1

HIGH DENSITY 32 CHANNEL T1/E1/J1 FRAMER

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

Pin Name

Type

No.

Function

RSTB

Input

W20 Active Low Reset (RSTB). This signal provides

an asynchronous TE-32 reset. RSTB is a

Schmitt triggered input with an integral pull up

resistor.

ALE

Input

AA22 Address Latch Enable (ALE). This signal is

active high and latches the address bus A[12:0]

when low. When ALE is high, the internal

address latches are transparent. It allows the

TE-32 to interface to a multiplexed address/data

bus. The ALE input has an integral pull up

resistor.

JTAG Interface

TCK

Input

Test Clock (TCK). This signal provides timing for

test operations that can be carried out using the

IEEE P1149.1 test access port.

TMS

Input

Test Mode Select (TMS). This signal controls

the test operations that can be 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

Test Data Input (TDI). This signal carries test

data into the TE-32 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 D1

Test Data Output (TDO). This signal carries test

data out of the TE-32 via the IEEE P1149.1 test

access port. TDO is updated on the falling edge

of TCK. TDO is a tri-state output which is

inactive except when scanning of data is in

progress.

PM4332 Datasheet(PDF) 49 Page - PMC-Sierra, Inc

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