PM7346 datasheet(267/419 Pages) PMC

267 / 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 246

Bit

Type

Function

Default

Bit 7

R/W

XFERE

Bit 6

XFERI

Bit 5

OVR

Bit 4

Unused

Bit 3

R/W

Reserved

Bit 2

R/W

Reserved

Bit 1

R/W

Reserved

Bit 0

R/W

Reserved

Reserved:

These bits should be set to their default values for proper operation

XFERI:

The XFERI bit indicates that a transfer of Transmit Cell Count data has

occurred. A logic 1 in this bit position indicates that the Transmit Cell Count

registers have been updated. This update is initiated by writing to one of the

Transmit Cell Count register locations or to the S/UNI-QJET Identification,

Master Reset, and Global Monitor Update register. XFERI is set to logic 0

when this register is read.

OVR:

The OVR bit is the overrun status of the Transmit Cell Count registers. A logic

1 in this bit position indicates that a previous transfer (indicated by XFERI

being logic 1) has not been acknowledged before the next accumulation

interval has occurred and that the contents of the Transmit Cell Count

registers have been overwritten. OVR is set to logic 0 when this register is

read.

XFERE:

The XFERE bit enables the generation of an interrupt when an accumulation

interval is completed and new values are stored in the Transmit Cell Count

registers. When XFERE is set to logic 1, the interrupt is enabled.

PM7346 Datasheet(PDF) 267 Page - PMC-Sierra, Inc

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