PM7347 datasheet(171/341 Pages) PMC

171 / 341 page

S/UNI®-JET Data Sheet

Released

Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use

171

Document ID: PMC-1990267, Issue 3

Bit

Type

Function

Default

Bit 7

Unused

Bit 6

R/W

Reserved

Bit 5

R/W

Reserved

Bit 4

R/W

Reserved

Bit 3

R/W

X3SET

Bit 2

R/W

X2SET

Bit 1

R/W

X1SET

Bit 0

R/W

RLOF

The RLOF bit controls the state of the A-bit. When RLOF is a logic one, the A-bit is also set

to logic one. When RLOF is a logic zero, the A-bit is set to logic zero. The A-bit in the

transmit stream may also be set to logic one if an LOF condition in the J2 FRMR is detected

and the RBLEN bit is logic one in the S/UNI-JET Data Link and FERF/RAI Control Register.

X1SET

The X1SET bit controls the state of the X1 bit (bit 785 in the third frame of a J2 multiframe).

When X1SET is a logic one, the X1 bit is set to logic one. When X1SET is a logic zero, the

X1 bit is set to logic zero.

X2SET

The X2SET bit controls the state of the X2 bit (bit 786 in the third frame of a J2 multiframe).

When X2SET is a logic one, the X2 bit is set to logic one. When X2SET is a logic zero, the

X2 bit is set to logic zero.

X3SET

The X3SET bit controls the state of the X3 bit (bit 787 in the third frame of a J2 multiframe).

When X3SET is a logic one, the X3 bit is set to logic one. When X3SET is a logic zero, the

X3 bit is set to logic zero.

Reserved

The reserved register bits should be set to logic zero for proper operation.

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