PM7346 datasheet(72/419 Pages) PMC

72 / 419 page

PM7346 S/UNI-QJET

DATASHEET

PMC-960835

ISSUE 6

SATURN QUAD USER NETWORK INTERFACE FOR J2, E3, T3

PMC-SIERRA, INC. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA INC., AND ITS CUSTOMERS’ INTERNAL USE 51

Pin Name

Type

Pin No.

Function

A[10]

A[9]

A[8]

A[7]

A[6]

A[5]

A[4]

A[3]

A[2]

A[1]

A[0]

Input

B10

C10

A11

B11

C11

D11

A12

B12

C12

B13

Address Bus (A[10:0]). The address bus

A[10:0] selects specific registers during

S/UNI-QJET register accesses.

RSTB

Input

Active low Reset (RSTB). This signal is set

low to asynchronously reset the

S/UNI-QJET. RSTB is a Schmitt-trigger

input with an integral pull-up resistor.

ALE

Input

Address Latch Enable (ALE). The address

latch enable (ALE) is active-high and

latches the address bus A[10:0] when low.

When ALE is high, the internal address

latches are transparent. It allows the

S/UNI-QJET to interface to a multiplexed

address/data bus. ALE has an integral

pull-up resistor.

INTB

Output

Active low Open-Drain Interrupt (INTB).

This signal goes low when an unmasked

interrupt event is detected on any of the

internal interrupt sources. Note that INTB

will remain low until all active, unmasked

interrupt sources are acknowledged at

their source.

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.

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