XRT79L71IB datasheet(94/441 Pages) EXAR

94 / 441 page

XRT79L71

PRELIMINARY

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REV. P1.0.3

1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC

OPERATION INTERRUPT ENABLE REGISTER - BYTE 1 (ADDRESS = 0X0116)

BIT 7BIT 6BIT 5BIT 4BIT 3BIT 2BIT 1BIT 0

Unused

DS3/E3

LIU/JA Block

Interrupt

Enable

DS3/E3

Framer Block

Interrupt

Enable

Unused

R/O

R/W

R/O

000

BIT NUMBER

NAME

TYPE

DESCRIPTION

7 - 4

Unused

DS3/E3 LIU/JA

Block Interrupt Enable

R/W

DS3/E3 LIU/JA Block Interrupt Enable:

This READ/WRITE bit permit the user to either enable or disable

the DS3/E3 LIU/JA Block for interrupt generation. If the user

writes a "0" to this register bit and disables the "DS3/E3 LIU/JA

Block" (for interrupt generation), then all "DS3/E3 LIU/JA Block"

interrupts will be disabled for interrupt generation. If the user

writes a "1" to this register bit, he/she will still need to enable the

individual "DS3/E3 LIU/JA Block" interrupt(s) at the "Source

Level" in order to enable that particular interrupt.

0 - Disable all "DS3/E3 LIU/JA Block" interrupts within the

device.

1 - Enables the "DS3/E3 LIU/JA Block" at the "Block-Level".

DS3/E3 Framer Block

Interrupt Enable

R/W

DS3/E3 Framer Block Interrupt Enable:

This READ/WRITE bit permits the user to either enable or dis-

able the DS3/E3 Framer Block for interrupt generation. If the

user writes a "0" to this register bit and disables the "DS3/E3

Framer Block" (for interrupt generation), then all "DS3/E3 Framer

Block" interrupts will be disabled for interrupt generation. If the

user writes a "1" to this register bit, he/she will still need to

enable the individual "DS3/E3 Framer Block" interrupt(s) at the

"Source Level" in order to enable that particular interrupt.

0 - Disable all "DS3/E3 Framer Block" interrupts within the

device.

1 - Enables the "DS3/E3 Framer Block" at the "Block-Level".

1 - 0

Unused

XRT79L71IB Datasheet(PDF) 94 Page - Exar Corporation

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