XRT75R12 datasheet(70/90 Pages) EXAR

70 / 90 page

XRT75R12

TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR

REV. 1.0.3

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 XRT75R12 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 XRT75R12 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.

TABLE 31: XRT75R12 REGISTER MAP SHOWING INTERRUPT STATUS REGISTERS (ISR_n)

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

Reserved

Change of FL

Condition

Interrupt Status

Ch_n

Change of LOL

Condition

Interrupt Status

Ch_n

Change of LOS

Condition

nterrupt Status

Ch_n

Change of DMO

Condition

Interrupt Status

Ch_n

RUR

BIT NUMBER

NAME

TYPE

DESCRIPTION

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