XRT73R12 datasheet(70/89 Pages) EXAR

70 / 89 page

XRT73R12

TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT

REV. 1.0.3

TABLE 29: SOURCE LEVEL INTERRUPT ENABLE REGISTER - CHANNEL N ADDRESS LOCATION = 0XM1

(N = [0:11] & M= 0-5 & 8-D)

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

Reserved

Change of LOL

Condition

Interrupt Enable

Ch n

Change of LOS

Condition

Interrupt Enable

Ch n

Change of

DMO Condition

Interrupt Enable

Ch n

R/W

BIT NUMBER

NAME

TYPE

DESCRIPTION

7 - 3

Reserved

R/O

Change of LOL

Condition Interrupt

Enable

R/W

Change of Receive LOL (Loss of Lock) Condition Interrupt Enable -

Channel n:

This READ/WRITE bit-field is used to enable or disable the Change of

Receive LOL Condition Interrupt. If the user enables this interrupt, then the

XRT73R12 will generate an interrupt any time any of the following events

occur.

• Whenever the Receive Section (within Channel n) declares the Loss of

Lock Condition.

• Whenever the Receive Section (within Channel n) clears the Loss of Lock

Condition.

0 - Disables the Change in Receive LOL Condition Interrupt.

1 - Enables the Change in Receive LOL Condition Interrupt.

Change of LOS

Condition Interrupt

Enable

R/W

Change of the Receive LOS (Loss of Signal) Defect Condition Interrupt

Enable - Ch 0:

This READ/WRITE bit-field is used to enable or disable the Change of the

Receive LOS Defect Condition Interrupt. If the user enables this interrupt,

then the XRT73R12 will generate an interrupt any time any of the following

events occur.

• Whenever the Receive Section (within Channel n) declares the LOS

Defect Condition.

• Whenever the Receive Section (within Channel n) clears the LOS Defect

condition.

0 - Disables the Change in the LOS Defect Condition Interrupt.

1 - Enables the Change in the LOS Defect Condition Interrupt.

Change of DMO

Condition Interrupt

Enable

R/W

Change of Transmit DMO (Drive Monitor Output) Condition Interrupt

Enable - Ch n:

This READ/WRITE bit-field is used to enable or disable the Change of

Transmit DMO Condition Interrupt. If the user enables this interrupt, then

the XRT73R12 will generate an interrupt any time any of the following

events occur.

• Whenever the Transmit Section toggles the DMO output pin (or bit-field)

to "1".

• Whenever the Transmit Section toggles the DMO output pin (or bit-field)

to "0".

0 - Disables the Change in the DMO Condition Interrupt.

1 - Enables the Change in the DMO Condition Interrupt.

XRT73R12 Datasheet(PDF) 70 Page - Exar Corporation

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